/* ==========================================================================
   Citizen — Legal Reasoning Engine Styles
   Semantic Version: 1.2.0
   ========================================================================== */

:root {
    /* Colors */
    --color-primary: #1a5f7a;
    --color-primary-dark: #124859;
    --color-primary-light: #2d8caa;
    --color-secondary: #57837b;
    --color-accent: #c49a6c;
    --color-background: #f8f9fa;
    --color-surface: #ffffff;
    --color-text: #2d3436;
    --color-text-muted: #636e72;
    --color-border: #dfe6e9;
    --color-error: #d63031;
    --color-success: #00b894;
    --color-warning: #fdcb6e;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-size-base: 16px;
    --font-size-small: 14px;
    --font-size-large: 18px;
    --font-size-h1: 28px;
    --font-size-h2: 22px;
    --font-size-h3: 18px;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;

    /* Borders */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;

    /* Chat Theme Colors — remapped to light theme (v1.2.0).
       Previously these were a separate dark palette (#1a1a2e / #16213e).
       They now alias the uniform --color-* tokens so every var(--chat-*)
       reference automatically renders in the app's light theme. The dark
       values are intentionally retained above (commented) for traceability. */
    /* Legacy dark values (do not re-enable — breaks UI uniformity):
    --chat-bg: #1a1a2e;
    --chat-surface: #16213e;
    --chat-surface-hover: #1c2a4a;
    --chat-surface-active: #1f3056;
    --chat-border: #2a3a5c;
    --chat-text: #e2e8f0;
    --chat-text-muted: #8b9bb4;
    --chat-text-dim: #5a6d8a;
    --chat-primary: #3b82f6;
    --chat-primary-hover: #2563eb;
    --chat-primary-dark: #1d4ed8;
    --chat-user-bubble: #1e40af;
    --chat-user-bubble-text: #e2e8f0;
    --chat-assistant-bubble: #1e293b;
    --chat-assistant-bubble-text: #e2e8f0;
    --chat-system-bg: rgba(59, 130, 246, 0.1);
    --chat-error-bg: rgba(220, 38, 38, 0.1);
    --chat-error-text: #fca5a5;
    --chat-accent: #60a5fa;
    --chat-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
    --chat-pipeline-stage-bg: rgba(30, 41, 59, 0.8);
    */
    --chat-bg: var(--color-background);
    --chat-surface: var(--color-surface);
    --chat-surface-hover: #eef2f5;
    --chat-surface-active: #e3eef2;
    --chat-border: var(--color-border);
    --chat-text: var(--color-text);
    --chat-text-muted: var(--color-text-muted);
    --chat-text-dim: #9aa4ab;
    --chat-primary: var(--color-primary);
    --chat-primary-hover: var(--color-primary-dark);
    --chat-primary-dark: var(--color-primary-dark);
    --chat-user-bubble: var(--color-primary);
    --chat-user-bubble-text: #ffffff;
    --chat-assistant-bubble: var(--color-surface);
    --chat-assistant-bubble-text: var(--color-text);
    --chat-system-bg: rgba(26, 95, 122, 0.08);
    --chat-error-bg: rgba(214, 48, 49, 0.08);
    --chat-error-text: var(--color-error);
    --chat-accent: var(--color-primary);
    --chat-shadow: var(--shadow-md);
    --chat-pipeline-stage-bg: var(--color-background);
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--font-size-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.hidden {
    display: none !important;
}

/* ==========================================================================
   Modal
   ========================================================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-md);
}

.modal-content {
    background: var(--color-surface);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    max-width: 600px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-content h2 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-h2);
}

.disclaimer-text {
    background: var(--color-background);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-small);
    line-height: 1.8;
    max-height: 300px;
    overflow-y: auto;
    white-space: pre-wrap;
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--color-border);
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.checkbox-container input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.checkbox-container label {
    font-size: var(--font-size-small);
    cursor: pointer;
}

/* ==========================================================================
   Header
   ========================================================================== */

#app > header,
.app-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    padding: var(--spacing-lg) var(--spacing-lg);
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-brand {
    text-align: left;
}

.header-brand h1 {
    font-size: var(--font-size-h1);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.5px;
}

.header-brand .subtitle {
    font-size: var(--font-size-base);
    opacity: 0.85;
    font-weight: 400;
}

/* ==========================================================================
   Mode Toggle
   ========================================================================== */

.mode-toggle {
    display: flex;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius-md);
    padding: 3px;
}

.mode-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    border-radius: var(--border-radius-sm);
    background: transparent;
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-small);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.mode-btn:hover {
    color: rgba(255, 255, 255, 0.9);
}

.mode-btn.active {
    background: rgba(255, 255, 255, 0.25);
    color: white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.mode-icon {
    width: 16px;
    height: 16px;
}

/* ==========================================================================
   Rechtsstand Indicator
   ========================================================================== */

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.rechtsstand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 4px 10px;
    border-radius: var(--border-radius-md);
    background: rgba(255, 255, 255, 0.12);
    font-size: 12px;
    white-space: nowrap;
    color: rgba(255, 255, 255, 0.9);
    cursor: default;
}

.rechtsstand-label {
    opacity: 0.75;
}

.rechtsstand-value {
    font-weight: 600;
    letter-spacing: 0.3px;
}

.rechtsstand--warning {
    background: rgba(253, 203, 110, 0.2);
    color: #fdcb6e;
}

.rechtsstand--stale {
    background: rgba(214, 48, 49, 0.2);
    color: #ff6b6b;
}

/* ==========================================================================
   Inference Profile Banner (WP-31)
   ========================================================================== */

.profile-banner {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 3px 10px;
    border-radius: var(--border-radius-md);
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    cursor: default;
    letter-spacing: 0.3px;
}

.profile-banner-label {
    line-height: 1.4;
}

/* Banner color variants set via JS based on profile status */
.profile-banner--signed {
    background: rgba(0, 184, 148, 0.2);
    color: #00b894;
}

.profile-banner--not-signed {
    background: rgba(253, 203, 110, 0.2);
    color: #fdcb6e;
}

.profile-banner--on-prem {
    background: rgba(99, 110, 114, 0.2);
    color: #b2bec3;
}

/* Footer profile line */
.footer-profile {
    font-size: 11px;
    opacity: 0.6;
    margin-top: 2px;
}

/* ==========================================================================
   Main Application Layout (#app — shared shell)
   ========================================================================== */

#app {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ==========================================================================
   Main Content (shared across Analyze / Settings / Prüfstand / Chat modes)
   ========================================================================== */

#app main,
#analyze-mode main,
#settings-mode main,
#pruefstand-mode main,
#chat-mode main {
    flex: 1;
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

/* Chat-mode main doubles as a two-column flex shell (sidebar + chat-main).
   The uniform layout selector above gives it the same max-width / padding
   as the other modes; this rule adds the row-direction flex behavior. */
#chat-mode main {
    display: flex;
    gap: var(--spacing-md);
    min-height: 0;
}

/* ==========================================================================
   Sections
   ========================================================================== */

.section {
    background: var(--color-surface);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.section h2 {
    color: var(--color-primary);
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-border);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.btn-secondary:hover:not(:disabled) {
    background: #e8f0f4;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-small {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-small);
    background: var(--color-background);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-small:hover:not(:disabled) {
    background: var(--color-border);
}

.btn-icon {
    width: 16px;
    height: 16px;
}

.btn-icon-only {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: none;
    border-radius: var(--border-radius-md);
    background: transparent;
    color: var(--chat-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.btn-icon-only:hover:not(:disabled) {
    background: var(--chat-surface-hover);
    color: var(--chat-text);
}

.btn-icon-only:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-icon-only svg {
    width: 18px;
    height: 18px;
}

/* ==========================================================================
   Upload Area
   ========================================================================== */

.upload-area {
    border: 2px dashed var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xxl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    background: var(--color-background);
    margin-bottom: var(--spacing-md);
}

.upload-area:hover {
    border-color: var(--color-primary);
    background: rgba(26, 95, 122, 0.03);
}

.upload-prompt {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-muted);
}

.upload-icon {
    width: 48px;
    height: 48px;
    color: var(--color-primary);
}

.upload-prompt p {
    font-size: var(--font-size-base);
    font-weight: 500;
}

.upload-prompt small {
    font-size: var(--font-size-small);
}

.file-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-background);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-md);
}

.file-info span {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
}

#upload-btn {
    width: 100%;
    padding: var(--spacing-md);
    font-size: var(--font-size-large);
}

/* ==========================================================================
   Text Editor (Analyze Mode — alternative to file upload)
   ========================================================================== */

.text-editor-separator {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    color: var(--color-text-muted);
    font-size: var(--font-size-small);
}

.text-editor-separator::before,
.text-editor-separator::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

.text-editor-separator span {
    white-space: nowrap;
    font-weight: 500;
    padding: 0 var(--spacing-xs);
}

.text-editor-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.text-editor {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-small);
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-background);
    resize: vertical;
    min-height: 120px;
    max-height: 400px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

.text-editor::placeholder {
    color: var(--color-text-muted);
    opacity: 0.7;
}

.text-editor:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 95, 122, 0.1);
    background: var(--color-surface);
}

.text-editor-container .btn {
    align-self: flex-start;
}

/* ==========================================================================
   Text Preview
   ========================================================================== */

.text-preview {
    background: var(--color-background);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-small);
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: var(--spacing-lg);
    white-space: pre-wrap;
    line-height: 1.7;
    border: 1px solid var(--color-border);
}

.char-count {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: 0.8em;
    color: var(--color-text-muted);
    font-style: italic;
}

/* ==========================================================================
   Progress
   ========================================================================== */

.progress-container {
    height: 8px;
    background: var(--color-background);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--color-border);
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 4px;
    transition: width var(--transition-normal);
    width: 0%;
}

.stage-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-sm);
}

.stage {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-background);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-small);
    transition: all var(--transition-fast);
}

.stage-icon {
    font-size: 16px;
    color: var(--color-text-muted);
    width: 20px;
    text-align: center;
}

.stage.complete .stage-icon {
    color: var(--color-success);
}

.stage.active .stage-icon {
    color: var(--color-primary);
    animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ==========================================================================
   Results
   ========================================================================== */

.results-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.result-section {
    background: var(--color-background);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    border-left: 4px solid var(--color-primary);
}

.result-section h3 {
    color: var(--color-primary);
    font-size: var(--font-size-h3);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--color-border);
}

.result-content {
    font-size: var(--font-size-base);
    line-height: 1.8;
    white-space: pre-wrap;
    color: var(--color-text);
}

/* ==========================================================================
   Error Display
   ========================================================================== */

.error-display {
    background: #ffeaea;
    border: 1px solid var(--color-error);
    color: var(--color-error);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-small);
}

/* ==========================================================================
   Footer
   ========================================================================== */

#app > footer,
.app-footer {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--color-text-muted);
    font-size: var(--font-size-small);
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
    flex-shrink: 0;
}

/* ==========================================================================
   Corpus Management
   ========================================================================== */

.corpus-description {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.corpus-steps {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-lg);
    line-height: 1.8;
}

.corpus-steps li {
    margin-bottom: var(--spacing-xs);
}

.corpus-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.corpus-progress {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.corpus-progress-bar {
    height: 6px;
    background: var(--color-background);
    border-radius: 3px;
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.corpus-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 3px;
    transition: width var(--transition-normal);
    width: 0%;
}

.corpus-progress-fill.indeterminate {
    width: 100%;
    animation: corpus-shimmer 2s ease-in-out infinite;
    background: linear-gradient(
        90deg,
        var(--color-background) 0%,
        var(--color-primary-light) 50%,
        var(--color-background) 100%
    );
    background-size: 200% 100%;
}

@keyframes corpus-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.corpus-substage {
    font-size: var(--font-size-small);
    color: var(--color-text);
    font-weight: 500;
}

.corpus-chunks-count {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
}

.corpus-result {
    font-size: var(--font-size-base);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    line-height: 1.6;
}

.corpus-result.success {
    background: #e6fff0;
    border: 1px solid var(--color-success);
    color: #007a4d;
}

.corpus-result.error {
    background: #ffeaea;
    border: 1px solid var(--color-error);
    color: var(--color-error);
}

.corpus-result.warning {
    background: #fff8e6;
    border: 1px solid var(--color-warning);
    color: #8a6d00;
}

/* ==========================================================================
   Settings Mode
   ========================================================================== */

#settings-mode {
    /* uses the same layout as analyze-mode (centered column) */
}

.settings-description {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.settings-source-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-md);
}

.settings-source-count {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
}

.settings-select-all {
    font-weight: 500;
}

.settings-source-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.settings-source-item {
    display: grid;
    grid-template-columns: 20px 1fr auto;
    grid-template-rows: auto auto;
    gap: 2px var(--spacing-sm);
    align-items: start;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    background: var(--color-surface);
    border: 1px solid transparent;
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast);
}

.settings-source-item:hover {
    background: #f0f4f8;
    border-color: var(--color-border);
}

.settings-source-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.settings-source-item.disabled:hover {
    background: var(--color-surface);
    border-color: transparent;
}

.settings-source-item input[type="checkbox"] {
    margin-top: 3px;
    grid-row: 1 / 3;
    align-self: start;
    accent-color: var(--color-primary);
}

.settings-source-label {
    grid-column: 2;
    grid-row: 1;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: var(--spacing-sm);
}

.settings-source-name {
    font-weight: 600;
    font-size: var(--font-size-base);
}

.settings-source-source {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
    background: #eef2f7;
    padding: 1px 6px;
    border-radius: 3px;
}

.settings-source-unavailable {
    font-size: var(--font-size-small);
    color: var(--color-warning);
    font-style: italic;
}

.settings-source-desc {
    grid-column: 2;
    grid-row: 2;
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
    line-height: 1.4;
}

.settings-tooltip-icon {
    grid-column: 3;
    grid-row: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    font-size: 11px;
    font-weight: 700;
    color: var(--color-text-muted);
    background: #eef2f7;
    border-radius: 50%;
    cursor: help;
    user-select: none;
}

.settings-tooltip-icon:hover {
    background: var(--color-primary-light);
    color: #fff;
}

.settings-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.settings-status {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-small);
}

.settings-status.success {
    background: #e8f5e9;
    border: 1px solid var(--color-success);
    color: #2e7d32;
}

.settings-status.error {
    background: #fce4ec;
    border: 1px solid var(--color-error);
    color: var(--color-error);
}

.settings-status.warning {
    background: #fff8e6;
    border: 1px solid var(--color-warning);
    color: #8a6d00;
}

.settings-loading {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--color-text-muted);
}

.settings-error {
    text-align: center;
    padding: var(--spacing-md);
    background: #fce4ec;
    border: 1px solid var(--color-error);
    border-radius: var(--border-radius-sm);
    color: var(--color-error);
    margin-bottom: var(--spacing-md);
}

.settings-checkbox {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    user-select: none;
}

.settings-checkbox input[type="checkbox"] {
    accent-color: var(--color-primary);
}

.settings-checkbox-label {
    font-size: var(--font-size-base);
}

/* ==========================================================================
   Chat Mode — Layout
   ========================================================================== */

#chat-mode {
    display: flex;
    flex: 1;
    min-height: 0;
    /* Light theme: inherit the app's background via --color-background.
       The dark --chat-bg is no longer used here. */
    background: var(--color-background);
    color: var(--color-text);
    overflow: hidden;
}

/* ==========================================================================
   Chat Sidebar
   ========================================================================== */

.chat-sidebar {
    width: 280px;
    min-width: 280px;
    height: 100%;
    /* Section-style surface (matches .section look in Analyze/Settings) */
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform var(--transition-normal), min-width var(--transition-normal), width var(--transition-normal);
}

.sidebar-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--chat-border);
    flex-shrink: 0;
}

#new-conversation-btn {
    width: 100%;
    padding: 10px var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.conversation-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm);
}

.conversation-list::-webkit-scrollbar {
    width: 4px;
}

.conversation-list::-webkit-scrollbar-track {
    background: transparent;
}

.conversation-list::-webkit-scrollbar-thumb {
    background: var(--chat-border);
    border-radius: 2px;
}

.conversation-item {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
    border: 1px solid transparent;
}

.conversation-item:hover {
    background: var(--chat-surface-hover);
}

.conversation-item.active {
    background: var(--chat-surface-active);
    border-color: var(--chat-primary);
}

.conversation-item-title {
    font-size: var(--font-size-small);
    font-weight: 600;
    color: var(--chat-text);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.conversation-item-date {
    font-size: 11px;
    color: var(--chat-text-dim);
    margin-bottom: 4px;
}

.conversation-item-preview {
    font-size: 12px;
    color: var(--chat-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.conversation-empty,
.conversation-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--chat-text-muted);
    font-size: var(--font-size-small);
    line-height: 1.6;
    flex: 1;
}

.conversation-error {
    color: var(--chat-error-text);
}

.empty-icon {
    width: 40px;
    height: 40px;
    margin-bottom: var(--spacing-md);
    opacity: 0.4;
}

/* ==========================================================================
   Chat Main Area
   ========================================================================== */

.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    height: 100%;
    /* Section-style surface (matches .section look in Analyze/Settings) */
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

/* Slim toolbar inside the chat-main panel (the shared app-header already
   provides branding + mode toggle, so this is just an in-panel toolbar). */
.chat-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    flex-shrink: 0;
    min-height: 48px;
}

.sidebar-toggle {
    display: none;
    width: 34px;
    height: 34px;
    border: none;
    border-radius: var(--border-radius-sm);
    background: transparent;
    color: var(--chat-text-muted);
    cursor: pointer;
    flex-shrink: 0;
}

.sidebar-toggle:hover {
    background: var(--chat-surface-hover);
    color: var(--chat-text);
}

.sidebar-toggle svg {
    width: 20px;
    height: 20px;
}

.chat-title {
    flex: 1;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--chat-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* ==========================================================================
   Chat Messages
   ========================================================================== */

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--chat-border);
    border-radius: 3px;
}

/* Empty State */
.chat-empty-state {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.empty-state-content {
    text-align: center;
    padding: var(--spacing-xxl);
    max-width: 400px;
}

.empty-state-icon {
    width: 56px;
    height: 56px;
    color: var(--chat-text-dim);
    margin-bottom: var(--spacing-lg);
}

.empty-state-content h3 {
    font-size: var(--font-size-large);
    font-weight: 600;
    color: var(--chat-text);
    margin-bottom: var(--spacing-sm);
}

.empty-state-content p {
    font-size: var(--font-size-small);
    color: var(--chat-text-muted);
}

/* Message Bubbles */
.chat-message {
    display: flex;
    flex-direction: column;
    max-width: 75%;
    animation: message-appear 0.3s ease-out;
}

@keyframes message-appear {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-message.user {
    align-self: flex-end;
}

.chat-message.assistant {
    align-self: flex-start;
}

.chat-message.system {
    align-self: center;
    max-width: 85%;
    animation: message-appear 0.3s ease-out;
}

.message-bubble {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-lg);
    line-height: 1.6;
    font-size: var(--font-size-small);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.chat-message.user .message-bubble {
    background: var(--chat-user-bubble);
    color: var(--chat-user-bubble-text);
    border-bottom-right-radius: var(--border-radius-sm);
}

.chat-message.assistant .message-bubble {
    background: var(--chat-assistant-bubble);
    color: var(--chat-assistant-bubble-text);
    border: 1px solid var(--chat-border);
    border-bottom-left-radius: var(--border-radius-sm);
}

.chat-message.assistant .message-bubble p {
    margin-bottom: var(--spacing-sm);
}

.chat-message.assistant .message-bubble p:last-child {
    margin-bottom: 0;
}

.chat-message.system .message-bubble {
    background: var(--chat-system-bg);
    color: var(--chat-text-muted);
    border: 1px solid rgba(26, 95, 122, 0.2);
    font-size: 12px;
    padding: 6px var(--spacing-md);
    text-align: center;
    border-radius: var(--border-radius-md);
}

.message-time {
    font-size: 11px;
    color: var(--chat-text-dim);
    margin-top: 4px;
    padding: 0 4px;
}

.chat-message.user .message-time {
    text-align: right;
}

.chat-message.assistant .message-time {
    text-align: left;
}

.chat-message.system .message-time {
    text-align: center;
}

/* Typing indicator */
.typing-indicator {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: var(--spacing-sm) 0;
}

.typing-indicator span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--chat-text-dim);
    animation: typing-bounce 1.4s ease-in-out infinite;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing-bounce {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-6px); opacity: 1; }
}

/* Message content formatting */
.message-bubble strong {
    color: var(--chat-accent);
}

.message-bubble em {
    font-style: italic;
    color: var(--chat-text-muted);
}

.message-bubble code {
    background: var(--color-background);
    padding: 2px 5px;
    border-radius: 3px;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.9em;
    color: var(--color-text);
}

.message-bubble pre {
    background: var(--color-background);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    overflow-x: auto;
    margin: var(--spacing-sm) 0;
    color: var(--color-text);
}

/* ==========================================================================
   Pipeline Progress (in-chat)
   ========================================================================== */

.pipeline-progress {
    padding: var(--spacing-md) 0;
}

.pipeline-progress-bar {
    height: 6px;
    background: var(--chat-border);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.pipeline-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--chat-primary) 0%, var(--chat-accent) 100%);
    border-radius: 3px;
    transition: width 0.4s ease;
    width: 0%;
}

.pipeline-stage-label {
    font-size: 12px;
    color: var(--chat-text-muted);
    text-align: center;
}

/* ==========================================================================
   Collapsible Result Sections (Pipeline output)
   ========================================================================== */

.result-collapsible {
    border: 1px solid var(--chat-border);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.result-collapsible-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--chat-pipeline-stage-bg);
    cursor: pointer;
    user-select: none;
    font-size: var(--font-size-small);
    font-weight: 600;
    color: var(--chat-text);
    transition: background var(--transition-fast);
    border: none;
    width: 100%;
    text-align: left;
}

.result-collapsible-header:hover {
    background: var(--chat-surface-hover);
}

.result-collapsible-header .collapse-arrow {
    font-size: 12px;
    transition: transform var(--transition-fast);
    color: var(--chat-text-muted);
    flex-shrink: 0;
}

.result-collapsible.open .collapse-arrow {
    transform: rotate(90deg);
}

.result-collapsible-body {
    padding: 0 var(--spacing-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.result-collapsible.open .result-collapsible-body {
    max-height: 2000px;
    padding: var(--spacing-md);
}

.result-collapsible-body-inner {
    font-size: var(--font-size-small);
    line-height: 1.7;
    color: var(--chat-text-muted);
    white-space: pre-wrap;
}

/* ==========================================================================
   Chat Document Chips
   ========================================================================== */

.chat-doc-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-top: 1px solid var(--chat-border);
    background: var(--chat-surface);
    flex-shrink: 0;
}

.chat-doc-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px 4px 10px;
    background: var(--chat-surface-hover);
    border: 1px solid var(--chat-border);
    border-radius: 20px;
    font-size: 12px;
    color: var(--chat-text-muted);
    transition: all var(--transition-fast);
}

.chat-doc-chip:hover {
    border-color: var(--chat-primary);
    background: var(--chat-surface-active);
}

.chat-doc-chip .doc-chip-icon {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    color: var(--chat-primary);
}

.chat-doc-chip .doc-chip-name {
    max-width: 160px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-doc-chip .doc-chip-size {
    color: var(--chat-text-dim);
    flex-shrink: 0;
}

.chat-doc-chip .doc-chip-remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--chat-text-dim);
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    padding: 0;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.chat-doc-chip .doc-chip-remove:hover {
    background: rgba(214, 48, 49, 0.15);
    color: var(--color-error);
}

.chat-doc-chip.uploading {
    opacity: 0.6;
    animation: doc-pulse 1.5s ease-in-out infinite;
}

@keyframes doc-pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* ==========================================================================
   Chat Input Area
   ========================================================================== */

.chat-input-area {
    padding: var(--spacing-sm) var(--spacing-lg) var(--spacing-md);
    background: var(--chat-surface);
    border-top: 1px solid var(--chat-border);
    flex-shrink: 0;
}

.chat-input-container {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-sm);
    background: var(--chat-bg);
    border: 1px solid var(--chat-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xs) var(--spacing-xs) var(--spacing-xs) var(--spacing-sm);
    transition: border-color var(--transition-fast);
}

.chat-input-container:focus-within {
    border-color: var(--chat-primary);
}

.chat-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--chat-text);
    font-family: var(--font-family);
    font-size: var(--font-size-small);
    line-height: 1.5;
    padding: 8px 0;
    resize: none;
    outline: none;
    min-height: 38px;
    max-height: 150px;
}

.chat-input::placeholder {
    color: var(--chat-text-dim);
}

.chat-input:disabled {
    opacity: 0.5;
}

.chat-attach-btn {
    align-self: center;
    width: 34px;
    height: 34px;
    color: var(--chat-text-dim);
}

.chat-attach-btn:hover:not(:disabled) {
    color: var(--chat-primary);
    background: rgba(26, 95, 122, 0.1);
}

.chat-send-btn {
    align-self: flex-end;
    width: 34px;
    height: 34px;
    background: var(--chat-primary);
    color: white;
    border-radius: var(--border-radius-md);
}

.chat-send-btn:hover:not(:disabled) {
    background: var(--chat-primary-hover);
}

.chat-send-btn:disabled {
    opacity: 0.4;
    background: var(--chat-border);
}

.chat-disclaimer {
    font-size: 11px;
    color: var(--chat-text-dim);
    text-align: center;
    margin-top: var(--spacing-sm);
    padding: 0 var(--spacing-md);
}

/* ==========================================================================
   Chat Primary Button
   ========================================================================== */

/* Chat Primary Button — aliased to the standard .btn-primary look (v1.2.0).
   Previously this was a dark-blue chat-only button; it now matches the
   app's uniform teal primary button so the chat surface feels cohesive. */
.btn-chat-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-size: var(--font-size-small);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-lg);
    transition: all var(--transition-fast);
}

.btn-chat-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-chat-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-chat-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ==========================================================================
   Chat Error
   ========================================================================== */

.chat-error-inline {
    background: var(--chat-error-bg);
    border: 1px solid rgba(214, 48, 49, 0.3);
    color: var(--chat-error-text);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-small);
    margin: var(--spacing-sm) 0;
}

/* ==========================================================================
   Chat Drag Highlight
   ========================================================================== */

#chat-mode.drag-over .chat-messages {
    background: rgba(26, 95, 122, 0.05);
    outline: 2px dashed var(--chat-primary);
    outline-offset: -8px;
}

/* ==========================================================================
   Responsive — Analyze Mode
   ========================================================================== */

@media (max-width: 640px) {
    :root {
        --font-size-h1: 24px;
        --font-size-h2: 20px;
        --font-size-h3: 16px;
    }

    .section {
        padding: var(--spacing-lg);
    }

    .stage-list {
        grid-template-columns: 1fr;
    }

    .modal-content {
        padding: var(--spacing-lg);
    }

    .header-top {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: stretch;
    }

    .mode-toggle {
        justify-content: center;
    }
}

/* ==========================================================================
   Responsive — Chat Mode
   ========================================================================== */

@media (max-width: 768px) {
    .chat-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        z-index: 100;
        transform: translateX(-100%);
        box-shadow: var(--chat-shadow);
        /* Square left corners when fixed to viewport edge */
        border-radius: 0 var(--border-radius-lg) var(--border-radius-lg) 0;
    }

    .chat-sidebar.open {
        transform: translateX(0);
    }

    .sidebar-toggle {
        display: flex;
    }

    .chat-message {
        max-width: 90%;
    }

    .chat-input-area {
        padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
    }

    .chat-doc-chips {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .chat-messages {
        padding: var(--spacing-md);
    }

    /* Tighten the chat-mode main wrapper padding on mobile so the chat
       surface gets more horizontal space. */
    #chat-mode main {
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .chat-message {
        max-width: 95%;
    }

    .chat-header {
        padding: var(--spacing-sm) var(--spacing-sm);
    }

    .chat-title {
        font-size: var(--font-size-small);
    }

    .chat-doc-chip .doc-chip-name {
        max-width: 100px;
    }
}

/* Sidebar overlay for mobile */
@media (max-width: 768px) {
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 99;
    }

    .sidebar-overlay.visible {
        display: block;
    }
}

/* ==========================================================================
   Case Chat — Layout
   ========================================================================== */

.case-chat-layout {
    display: flex;
    /* v1.2.0: was height: 100vh which overflowed the analyze-mode section.
       Now fits inside the section with a sensible fixed height that allows
       internal scrolling in the messages area. */
    height: 600px;
    min-height: 400px;
    background: var(--color-background);
    color: var(--color-text);
    overflow: hidden;
    border-radius: var(--border-radius-md);
    gap: var(--spacing-md);
}

/* ==========================================================================
   Case Sidebar
   ========================================================================== */

.case-sidebar {
    width: 280px;
    min-width: 280px;
    /* v1.2.0: was height: 100vh; now fills the case-chat-layout container. */
    height: 100%;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform var(--transition-normal), min-width var(--transition-normal), width var(--transition-normal);
}

.case-sidebar-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--chat-border);
    flex-shrink: 0;
}

.case-sidebar-header h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--chat-text);
}

.case-session-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm);
}

.case-session-list::-webkit-scrollbar {
    width: 4px;
}

.case-session-list::-webkit-scrollbar-track {
    background: transparent;
}

.case-session-list::-webkit-scrollbar-thumb {
    background: var(--chat-border);
    border-radius: 2px;
}

.case-session-item {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
    border: 1px solid transparent;
}

.case-session-item:hover {
    background: var(--chat-surface-hover);
}

.case-session-item.active {
    background: var(--chat-surface-active);
    border-color: var(--chat-primary);
}

.case-session-item-title {
    font-size: var(--font-size-small);
    font-weight: 600;
    color: var(--chat-text);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.case-session-item-date {
    font-size: 11px;
    color: var(--chat-text-dim);
    margin-bottom: 4px;
}

.case-session-item-preview {
    font-size: 12px;
    color: var(--chat-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.case-session-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--chat-text-muted);
    font-size: var(--font-size-small);
    line-height: 1.6;
    flex: 1;
}

/* ==========================================================================
   Case Main Area
   ========================================================================== */

.case-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    /* v1.2.0: was height: 100vh; now fills the case-chat-layout container. */
    height: 100%;
    overflow: hidden;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
}

.case-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--chat-surface);
    border-bottom: 1px solid var(--chat-border);
    flex-shrink: 0;
    min-height: 48px;
}

.case-title {
    flex: 1;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--chat-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.case-header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

.case-header-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: var(--border-radius-sm);
    background: transparent;
    color: var(--chat-text-muted);
    cursor: pointer;
    font-size: 14px;
    transition: all var(--transition-fast);
}

.case-header-btn:hover {
    background: var(--chat-surface-hover);
    color: var(--chat-text);
}

/* ==========================================================================
   Pipeline Sections
   ========================================================================== */

.case-sections {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.case-sections::-webkit-scrollbar {
    width: 6px;
}

.case-sections::-webkit-scrollbar-track {
    background: transparent;
}

.case-sections::-webkit-scrollbar-thumb {
    background: var(--chat-border);
    border-radius: 3px;
}

.case-section {
    border: 1px solid var(--chat-border);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.case-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--chat-pipeline-stage-bg);
    cursor: pointer;
    user-select: none;
    font-size: var(--font-size-small);
    font-weight: 600;
    color: var(--chat-text);
    transition: background var(--transition-fast);
    border: none;
    width: 100%;
    text-align: left;
    min-height: 40px;
}

.case-section-header:hover {
    background: var(--chat-surface-hover);
}

.case-section-header .collapse-arrow {
    font-size: 12px;
    transition: transform var(--transition-fast);
    color: var(--chat-text-muted);
    flex-shrink: 0;
}

.case-section.open .collapse-arrow {
    transform: rotate(90deg);
}

.case-section-label {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.case-section-toolbar {
    display: flex;
    align-items: center;
    gap: 2px;
    flex-shrink: 0;
}

.case-section-toolbar-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    border-radius: var(--border-radius-sm);
    background: transparent;
    color: var(--chat-text-dim);
    cursor: pointer;
    font-size: 13px;
    transition: all var(--transition-fast);
    line-height: 1;
}

.case-section-toolbar-btn:hover {
    background: var(--chat-surface-active);
    color: var(--chat-text);
}

.case-section-toolbar-btn.confirmed {
    color: var(--color-success);
}

.case-section-body {
    padding: 0 var(--spacing-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.case-section.open .case-section-body {
    max-height: 2000px;
    padding: var(--spacing-md);
}

.case-section-body-inner {
    font-size: var(--font-size-small);
    line-height: 1.7;
    color: var(--chat-text-muted);
    white-space: pre-wrap;
}

/* ==========================================================================
   Case Chat Messages
   ========================================================================== */

.case-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    scroll-behavior: smooth;
}

.case-chat-messages::-webkit-scrollbar {
    width: 6px;
}

.case-chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.case-chat-messages::-webkit-scrollbar-thumb {
    background: var(--chat-border);
    border-radius: 3px;
}

.case-chat-empty {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xxl);
    color: var(--chat-text-dim);
    font-size: var(--font-size-small);
    line-height: 1.6;
}

.case-chat-message {
    display: flex;
    flex-direction: column;
    max-width: 75%;
    animation: message-appear 0.3s ease-out;
}

.case-chat-message.user {
    align-self: flex-end;
}

.case-chat-message.assistant {
    align-self: flex-start;
}

.case-chat-message.system {
    align-self: center;
    max-width: 85%;
}

.case-chat-message .message-bubble {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-lg);
    line-height: 1.6;
    font-size: var(--font-size-small);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.case-chat-message.user .message-bubble {
    background: var(--chat-user-bubble);
    color: var(--chat-user-bubble-text);
    border-bottom-right-radius: var(--border-radius-sm);
}

.case-chat-message.assistant .message-bubble {
    background: var(--chat-assistant-bubble);
    color: var(--chat-assistant-bubble-text);
    border: 1px solid var(--chat-border);
    border-bottom-left-radius: var(--border-radius-sm);
}

.case-chat-message.system .message-bubble {
    background: var(--chat-system-bg);
    color: var(--chat-text-muted);
    border: 1px solid rgba(26, 95, 122, 0.2);
    font-size: 12px;
    padding: 6px var(--spacing-md);
    text-align: center;
    border-radius: var(--border-radius-md);
}

.case-chat-message .message-time {
    font-size: 11px;
    color: var(--chat-text-dim);
    margin-top: 4px;
    padding: 0 4px;
}

.case-chat-message.user .message-time {
    text-align: right;
}

.case-chat-message.assistant .message-time {
    text-align: left;
}

.case-chat-message.system .message-time {
    text-align: center;
}

/* ==========================================================================
   Case Chat Input
   ========================================================================== */

.case-chat-input-area {
    padding: var(--spacing-sm) var(--spacing-lg) var(--spacing-md);
    background: var(--chat-surface);
    border-top: 1px solid var(--chat-border);
    flex-shrink: 0;
}

.case-chat-input-container {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-sm);
    background: var(--chat-bg);
    border: 1px solid var(--chat-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xs) var(--spacing-xs) var(--spacing-xs) var(--spacing-sm);
    transition: border-color var(--transition-fast);
}

.case-chat-input-container:focus-within {
    border-color: var(--chat-primary);
}

.case-chat-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--chat-text);
    font-family: var(--font-family);
    font-size: var(--font-size-small);
    line-height: 1.5;
    padding: 8px 0;
    resize: none;
    outline: none;
    min-height: 38px;
    max-height: 150px;
}

.case-chat-input::placeholder {
    color: var(--chat-text-dim);
}

.case-chat-input:disabled {
    opacity: 0.5;
}

.case-chat-send-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    align-self: flex-end;
    width: 34px;
    height: 34px;
    background: var(--chat-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    flex-shrink: 0;
    transition: background var(--transition-fast);
}

.case-chat-send-btn:hover:not(:disabled) {
    background: var(--chat-primary-hover);
}

.case-chat-send-btn:disabled {
    opacity: 0.4;
    background: var(--chat-border);
    cursor: not-allowed;
}

.case-chat-send-btn svg {
    width: 18px;
    height: 18px;
}

.case-chat-disclaimer {
    font-size: 11px;
    color: var(--chat-text-dim);
    text-align: center;
    margin-top: var(--spacing-sm);
    padding: 0 var(--spacing-md);
}

/* ==========================================================================
   Claim Edit Card
   ========================================================================== */

.claim-card {
    border: 1px solid var(--chat-border);
    border-radius: var(--border-radius-md);
    background: var(--chat-surface);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.claim-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--chat-border);
    background: var(--chat-pipeline-stage-bg);
}

.claim-card-body {
    padding: var(--spacing-md);
    font-size: var(--font-size-small);
    line-height: 1.7;
    color: var(--chat-text-muted);
}

.claim-card-body textarea {
    width: 100%;
    min-height: 80px;
    padding: var(--spacing-sm);
    background: var(--chat-bg);
    border: 1px solid var(--chat-border);
    border-radius: var(--border-radius-sm);
    color: var(--chat-text);
    font-family: var(--font-family);
    font-size: var(--font-size-small);
    line-height: 1.6;
    resize: vertical;
    outline: none;
}

.claim-card-body textarea:focus {
    border-color: var(--chat-primary);
}

.claim-card-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

.claim-card-actions .case-section-toolbar-btn {
    width: 24px;
    height: 24px;
    font-size: 12px;
}

.confidence-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    flex-shrink: 0;
}

.confidence-badge.high {
    background: rgba(0, 184, 148, 0.15);
    color: var(--color-success);
}

.confidence-badge.medium {
    background: rgba(253, 203, 110, 0.2);
    color: #e6b800;
}

.confidence-badge.low {
    background: rgba(214, 48, 49, 0.15);
    color: var(--color-error);
}

.claim-evidence {
    font-size: 12px;
    color: var(--chat-text-dim);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--chat-border);
}

.claim-evidence strong {
    color: var(--chat-text-muted);
}

/* ==========================================================================
   Adjudication Indicators
   ========================================================================== */

.adjudication-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    flex-shrink: 0;
    white-space: nowrap;
}

.adjudication-badge.agreed {
    background: rgba(0, 184, 148, 0.15);
    color: var(--color-success);
}

.adjudication-badge.agreed::before {
    content: "\2713";
    font-weight: 700;
}

.adjudication-badge.disputed {
    background: rgba(253, 203, 110, 0.2);
    color: #e6b800;
}

.adjudication-badge.disputed::before {
    content: "\26A0";
    font-weight: 700;
}

/* ==========================================================================
   Comparison Overlay
   ========================================================================== */

.case-compare-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.case-compare-container {
    background: var(--chat-surface);
    border: 1px solid var(--chat-border);
    border-radius: var(--border-radius-lg);
    width: 90vw;
    max-width: 1200px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--chat-shadow);
}

.case-compare-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--chat-border);
    flex-shrink: 0;
}

.case-compare-header h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--chat-text);
}

.case-compare-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-small);
    color: var(--chat-text-muted);
}

.case-compare-selector select {
    background: var(--chat-bg);
    border: 1px solid var(--chat-border);
    border-radius: var(--border-radius-sm);
    color: var(--chat-text);
    padding: 4px 8px;
    font-size: var(--font-size-small);
    outline: none;
}

.case-compare-selector select:focus {
    border-color: var(--chat-primary);
}

.case-compare-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: var(--border-radius-sm);
    background: transparent;
    color: var(--chat-text-muted);
    cursor: pointer;
    font-size: 18px;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.case-compare-close:hover {
    background: var(--chat-surface-hover);
    color: var(--chat-text);
}

.case-compare-panels {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.case-compare-panel {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    min-width: 0;
}

.case-compare-panel:first-child {
    border-right: 1px solid var(--chat-border);
}

.case-compare-panel::-webkit-scrollbar {
    width: 4px;
}

.case-compare-panel::-webkit-scrollbar-track {
    background: transparent;
}

.case-compare-panel::-webkit-scrollbar-thumb {
    background: var(--chat-border);
    border-radius: 2px;
}

.compare-diff {
    background: rgba(253, 203, 110, 0.1);
    border-left: 3px solid var(--color-warning);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

/* ==========================================================================
   Responsive — Case Chat
   ========================================================================== */

@media (max-width: 768px) {
    .case-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        z-index: 100;
        transform: translateX(-100%);
        box-shadow: var(--chat-shadow);
        /* Square left corners when fixed to viewport edge */
        border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
    }

    .case-sidebar.open {
        transform: translateX(0);
    }

    .case-compare-panels {
        flex-direction: column;
    }

    .case-compare-panel:first-child {
        border-right: none;
        border-bottom: 1px solid var(--chat-border);
        max-height: 50%;
    }

    .case-compare-container {
        width: 95vw;
    }

    .case-chat-message {
        max-width: 90%;
    }

    .case-chat-input-area {
        padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
    }

    .case-chat-messages {
        padding: var(--spacing-md);
    }

    /* v1.2.0: shorter case-chat-layout on mobile so it fits the viewport. */
    .case-chat-layout {
        height: 500px;
    }
}

@media (max-width: 480px) {
    .case-chat-message {
        max-width: 95%;
    }

    .case-header {
        padding: var(--spacing-sm) var(--spacing-sm);
    }

    .case-title {
        font-size: var(--font-size-small);
    }
}

/* ==========================================================================
   v0.4.0 — 3-step intake flow styles
   ========================================================================== */

.step-indicator {
    display: flex;
    gap: var(--spacing-md, 1rem);
    padding: var(--spacing-md, 1rem) 0;
    margin-bottom: var(--spacing-md, 1rem);
    border-bottom: 1px solid var(--color-border, #ddd);
}

.step-indicator .step {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted, #888);
}

.step-indicator .step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.8rem;
    height: 1.8rem;
    border-radius: 50%;
    background: var(--color-bg-muted, #eee);
    font-weight: 600;
    font-size: 0.9rem;
}

.step-indicator .step.active .step-num {
    background: var(--color-primary, #3b82f6);
    color: white;
}

.step-indicator .step.completed .step-num {
    background: var(--color-success, #10b981);
    color: white;
}

.step-indicator .step.active {
    color: var(--color-text, #111);
    font-weight: 600;
}

.step-help {
    color: var(--color-text-muted, #666);
    margin-bottom: var(--spacing-md, 1rem);
    font-size: 0.95rem;
}

.step-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-lg, 1.5rem);
    gap: var(--spacing-md, 1rem);
}

/* Intake section */
.intake-messages {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--color-border, #ddd);
    border-radius: 8px;
    padding: var(--spacing-md, 1rem);
    background: var(--color-bg, #fafafa);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: var(--spacing-md, 1rem);
}

.intake-msg-bubble {
    padding: 0.5rem 0.75rem;
    border-radius: 12px;
    max-width: 80%;
    line-height: 1.4;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.intake-msg-user .intake-msg-bubble {
    background: var(--color-primary, #3b82f6);
    color: white;
    align-self: flex-end;
    margin-left: auto;
}

.intake-msg-assistant .intake-msg-bubble {
    background: var(--color-bg-muted, #e5e7eb);
    color: var(--color-text, #111);
    align-self: flex-start;
}

.intake-input-area {
    display: flex;
    gap: var(--spacing-sm, 0.5rem);
    align-items: flex-end;
}

.intake-input {
    flex: 1;
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--color-border, #ccc);
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: inherit;
    resize: vertical;
}

.intake-input:disabled {
    background: var(--color-bg-muted, #f5f5f5);
    cursor: not-allowed;
}

.intake-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-sm, 0.5rem);
    font-size: 0.85rem;
    color: var(--color-text-muted, #666);
}

/* Preset card */
.preset-card {
    border: 1px solid var(--color-border, #ddd);
    border-radius: 8px;
    padding: var(--spacing-lg, 1.5rem);
    background: var(--color-bg-card, #fff);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    margin-bottom: var(--spacing-md, 1rem);
}

.preset-card h3 {
    margin-top: 0;
    margin-bottom: var(--spacing-md, 1rem);
}

.preset-card-body {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md, 1rem);
}

.preset-area-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.5rem;
    border-radius: 4px;
}

.preset-area-item:hover {
    background: var(--color-bg-muted, #f5f5f5);
}

.preset-area-label {
    font-weight: 500;
}

.preset-primary-badge {
    margin-left: 0.5rem;
    padding: 0.1rem 0.5rem;
    background: var(--color-primary, #3b82f6);
    color: white;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* WP-02: Experimental badge for non-primary legal areas */
.experimental-badge {
    margin-left: 0.35rem;
    padding: 0.1rem 0.45rem;
    background: #f59e0b;
    color: #1a1a1a;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    cursor: help;
}

.preset-area-add select {
    padding: 0.4rem 0.6rem;
    border: 1px dashed var(--color-border, #ccc);
    border-radius: 4px;
    background: transparent;
    color: var(--color-text-muted, #666);
    cursor: pointer;
    min-width: 280px;
}

.preset-card-summary {
    padding: 0.75rem;
    background: var(--color-bg-muted, #f5f5f5);
    border-radius: 4px;
    font-size: 0.9rem;
    margin-top: var(--spacing-sm, 0.5rem);
    line-height: 1.4;
}

.preset-card-missing {
    margin-top: var(--spacing-md, 1rem);
    padding: var(--spacing-md, 1rem);
    background: rgba(239, 68, 68, 0.05);
    border-left: 4px solid #ef4444;
    border-radius: 4px;
}

.preset-card-missing h4 {
    margin: 0 0 0.5rem 0;
    color: #b91c1c;
}

.preset-card-actions {
    margin-top: 0.5rem;
}

/* Missing sources modal */
.missing-sources-list {
    list-style: disc;
    padding-left: 1.5rem;
    margin: 0.5rem 0 1rem 0;
    line-height: 1.6;
}

.modal-actions {
    display: flex;
    gap: var(--spacing-sm, 0.5rem);
    justify-content: flex-end;
    margin-top: var(--spacing-md, 1rem);
}

/* Case chat sidebar — Rechtsgebiet pill */
.case-session-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin-top: 0.25rem;
}

.case-area-pill {
    display: inline-block;
    padding: 0.1rem 0.5rem;
    background: var(--color-bg-muted, #e5e7eb);
    color: var(--color-text, #111);
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 500;
}

.case-area-pill.primary {
    background: var(--color-primary, #3b82f6);
    color: white;
}

/* ==========================================================================
   WP-14 — Prüfstand View (Goldset Browser, Eval Overlay, Demo Mode)
   Design system: warm-paper theme per devdocs/design_v1.0.0.md
   Component classes prefixed c- per design spec §15.2
   ========================================================================== */

/* --- Warm-paper design tokens (additive — no regression to existing vars) --- */
:root {
    --paper:          #faf8f4;
    --paper-raised:   #ffffff;
    --paper-recess:   #f1ece2;
    --ink:            #1c1a17;
    --ink-soft:       #4a4640;
    --ink-faint:      #8a847a;
    --rule:           #d9d2c4;

    --accent:         #1b3a5b;
    --accent-bright:  #2d5d8f;
    --accent-soft:    #e8eef4;

    --sem-red:        #c0392b;
    --sem-red-soft:   #fbeae7;
    --sem-red-ink:    #7a2418;

    --sem-green:      #2d7a4e;
    --sem-green-soft: #e8f3ec;
    --sem-green-ink:  #1a4a2e;

    --sem-amber:      #c9821a;
    --sem-amber-soft: #fbf0dc;
    --sem-amber-ink:  #7a4d0a;

    --sem-gray:       #7a7468;
    --sem-gray-soft:  #eee9df;
    --sem-gray-ink:   #4a4640;

    --font-serif:     'Source Serif 4', Georgia, 'Times New Roman', serif;
    --font-ui:        'Atkinson Hyperlegible', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono:      'IBM Plex Mono', 'Courier New', monospace;

    --radius-pill:    999px;
}

/* --- Prüfstand mode container ---
   The mode-specific container, header, main, and footer overrides were removed
   so Prüfstand inherits the uniform app shell (#app > header, #app main, #app > footer).
   Only the warm-paper design tokens above and the .pruefstand-* component styles
   below remain — those are content styles, not layout chrome. */

/* --- Loading / error states --- */
.pruefstand-loading {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--ink-faint);
    font-family: var(--font-ui);
    font-size: 1.1rem;
}

.pruefstand-error {
    background: var(--sem-red-soft);
    color: var(--sem-red-ink);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--sem-red);
    font-family: var(--font-ui);
}

/* --- Badge row (version, Rechtsstand, count, date) --- */
.pruefstand-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.pruefstand-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.8rem;
    background: var(--accent-soft);
    color: var(--accent);
    border-radius: var(--radius-pill);
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.pruefstand-badge strong {
    font-weight: 700;
}

/* --- Synthetic cases notice --- */
.pruefstand-notice {
    background: var(--sem-amber-soft);
    color: var(--sem-amber-ink);
    padding: 0.6rem 1rem;
    border-radius: 8px;
    font-family: var(--font-ui);
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
    border-left: 3px solid var(--sem-amber);
}

/* --- Section heading --- */
.pruefstand-section-heading {
    font-family: var(--font-serif);
    font-size: 1.56rem;
    font-weight: 600;
    color: var(--ink);
    margin: 2rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--rule);
}

/* --- Eval aggregate tile --- */
.c-eval-overlay {
    margin-bottom: 1.5rem;
}

.eval-tile {
    background: var(--paper-raised);
    border: 1px solid var(--rule);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    box-shadow: 0 1px 3px rgba(28,26,23,.06);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.eval-tile-populated {
    border-left: 4px solid var(--accent);
}

.eval-tile-icon {
    font-size: 1.5rem;
    line-height: 1;
}

.eval-tile-body {
    flex: 1;
}

.eval-tile-title {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--ink-faint);
    margin-bottom: 0.2rem;
}

.eval-tile-summary {
    font-family: var(--font-ui);
    font-size: 0.95rem;
    color: var(--ink);
}

.eval-tile-meta {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--ink-faint);
}

.eval-tile-empty {
    border: 2px dashed var(--rule);
    background: transparent;
    box-shadow: none;
}

.eval-tile-empty .eval-tile-body {
    text-align: center;
    padding: 0.5rem;
}

.eval-tile-empty .eval-tile-title {
    margin-bottom: 0.3rem;
}

.eval-tile-empty .eval-tile-summary {
    color: var(--ink-faint);
    font-style: italic;
}

/* --- Baseline cards grid --- */
.pruefstand-baseline-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.baseline-card {
    background: var(--paper-raised);
    border: 1px solid var(--rule);
    border-radius: 12px;
    padding: 1.25rem;
    box-shadow: 0 1px 3px rgba(28,26,23,.06);
}

.baseline-card h4 {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--ink-faint);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--rule);
}

.baseline-card-note {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    color: var(--ink-soft);
    line-height: 1.5;
    margin-bottom: 0.5rem;
}

.baseline-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 0.82rem;
}

.baseline-table td {
    padding: 0.3rem 0;
    color: var(--ink-soft);
}

.baseline-table td:last-child {
    text-align: right;
    font-weight: 600;
    color: var(--ink);
}

/* --- § 11b step graphic (Treppengrafik) --- */
.freibetrag-staircase {
    display: flex;
    align-items: flex-end;
    gap: 0.5rem;
    height: 80px;
    margin-top: 0.5rem;
}

.stair-step {
    flex: 1;
    background: var(--accent-soft);
    border: 1px solid var(--accent);
    border-bottom: none;
    border-radius: 4px 4px 0 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    padding: 0.3rem 0.15rem;
    position: relative;
}

.stair-step-height-1 { height: 35%; }
.stair-step-height-2 { height: 60%; }
.stair-step-height-3 { height: 90%; }

.stair-step-pct {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
}

.stair-step-range {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--ink-faint);
    white-space: nowrap;
}

/* --- Sanktionen summary --- */
.sanktionen-summary {
    font-family: var(--font-ui);
    font-size: 0.82rem;
    color: var(--ink-soft);
    line-height: 1.6;
}

.sanktionen-summary strong {
    color: var(--ink);
}

/* --- Open questions section --- */
.open-questions-section {
    margin-top: 1.5rem;
    margin-bottom: 2rem;
}

.open-question-item {
    background: var(--sem-amber-soft);
    border-left: 4px solid var(--sem-amber);
    border-radius: 0 8px 8px 0;
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
}

.open-question-topic {
    font-family: var(--font-ui);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--sem-amber-ink);
    margin-bottom: 0.2rem;
}

.open-question-note {
    font-family: var(--font-ui);
    font-size: 0.82rem;
    color: var(--ink-soft);
    line-height: 1.5;
}

/* --- Case gallery --- */
.pruefstand-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.pruefstand-card {
    background: var(--paper-raised);
    border: 1px solid var(--rule);
    border-radius: 12px;
    padding: 1.25rem;
    padding-left: calc(1.25rem + 5px);
    box-shadow: 0 1px 3px rgba(28,26,23,.06);
    cursor: pointer;
    transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pruefstand-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    border-radius: 12px 0 0 12px;
}

.pruefstand-card.verdict-red::before    { background: var(--sem-red); }
.pruefstand-card.verdict-green::before  { background: var(--sem-green); }
.pruefstand-card.verdict-gray::before   { background: var(--sem-gray); }

.pruefstand-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(28,26,23,.10);
    border-color: var(--accent-bright);
}

.pruefstand-card-id {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--ink-faint);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.pruefstand-card-title {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.35;
}

.pruefstand-card-category {
    font-family: var(--font-ui);
    font-size: 0.82rem;
    color: var(--ink-soft);
}

.pruefstand-card-difficulty {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--ink-faint);
}

.pruefstand-card-verdict {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-ui);
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 0.25rem;
}

.verdict-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.verdict-dot.red   { background: var(--sem-red); }
.verdict-dot.green { background: var(--sem-green); }
.verdict-dot.gray  { background: var(--sem-gray); }

.pruefstand-card-verdict.red   { color: var(--sem-red-ink); }
.pruefstand-card-verdict.green { color: var(--sem-green-ink); }
.pruefstand-card-verdict.gray  { color: var(--sem-gray-ink); }

.pruefstand-card-cta {
    margin-top: 0.5rem;
    font-family: var(--font-ui);
    font-size: 0.82rem;
    color: var(--accent);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

/* --- Back button --- */
.pruefstand-back-btn {
    margin-bottom: 1rem;
}

/* --- Case detail: two-column layout --- */
.pruefstand-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

@media (max-width: 768px) {
    .pruefstand-detail {
        grid-template-columns: 1fr;
    }
}

.detail-column h3 {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--ink-faint);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--rule);
}

/* --- LetterRender (Behördenbrief) --- */
.c-letter-render {
    background: var(--paper-recess);
    border: 1px solid var(--rule);
    border-radius: 8px;
    padding: 2rem;
    font-family: var(--font-serif);
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--ink);
    white-space: pre-wrap;
    word-wrap: break-word;
    max-height: 600px;
    overflow-y: auto;
    position: relative;
}

.c-letter-render::before {
    content: '';
    display: block;
    height: 4px;
    background: var(--accent);
    margin: -2rem -2rem 1.5rem;
    border-radius: 8px 8px 0 0;
}

/* --- DeadlineBanner (static display in detail) --- */
.c-deadline-banner {
    background: var(--paper-raised);
    border: 1px solid var(--rule);
    border-left: 6px solid var(--accent);
    border-radius: 0 12px 12px 0;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.c-deadline-banner.state-urgent-amber { border-left-color: var(--sem-amber); background: var(--sem-amber-soft); }
.c-deadline-banner.state-urgent-red   { border-left-color: var(--sem-red); background: var(--sem-red-soft); }
.c-deadline-banner.state-lapsed       { border-left-color: var(--sem-gray); }
.c-deadline-banner.state-no-va        { border-left-color: var(--sem-gray); background: var(--sem-gray-soft); }

.deadline-banner-label {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--ink-faint);
    margin-bottom: 0.2rem;
}

.deadline-banner-date {
    font-family: var(--font-serif);
    font-size: 1.56rem;
    font-weight: 600;
    color: var(--ink);
}

.deadline-banner-days {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 600;
    text-align: right;
}

.c-deadline-banner.state-urgent-red .deadline-banner-days   { color: var(--sem-red); }
.c-deadline-banner.state-urgent-amber .deadline-banner-days { color: var(--sem-amber); }
.c-deadline-banner.state-lapsed .deadline-banner-days       { color: var(--sem-gray); }
.c-deadline-banner.state-no-va .deadline-banner-days        { color: var(--sem-gray); }

.deadline-banner-subline {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    color: var(--ink-soft);
    margin-top: 0.2rem;
}

/* --- FristTimeline (SVG showpiece) --- */
.c-frist-timeline {
    margin: 1rem 0 1.5rem;
}

.c-frist-timeline svg {
    width: 100%;
    height: auto;
    max-width: 100%;
}

.c-frist-timeline .tl-station {
    fill: var(--accent);
}

.c-frist-timeline .tl-station-final {
    fill: var(--paper-raised);
    stroke: var(--accent);
    stroke-width: 3;
}

.c-frist-timeline .tl-station-rollover {
    fill: var(--sem-amber);
}

.c-frist-timeline .tl-connector {
    stroke: var(--rule);
    stroke-width: 3;
}

.c-frist-timeline .tl-delta-label {
    font-family: var(--font-mono);
    font-size: 11px;
    fill: var(--ink-soft);
    text-anchor: middle;
}

.c-frist-timeline .tl-delta-bg {
    fill: var(--paper);
}

.c-frist-timeline .tl-date {
    font-family: var(--font-mono);
    font-size: 12px;
    fill: var(--ink-soft);
    text-anchor: middle;
}

.c-frist-timeline .tl-station-label {
    font-family: var(--font-ui);
    font-size: 10px;
    fill: var(--ink-faint);
    text-anchor: middle;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.c-frist-timeline .tl-rollover-arc {
    fill: none;
    stroke: var(--sem-amber);
    stroke-width: 2;
    stroke-dasharray: 4 3;
}

.c-frist-timeline .tl-rollover-label {
    font-family: var(--font-ui);
    font-size: 10px;
    fill: var(--sem-amber-ink);
    text-anchor: middle;
    font-weight: 600;
}

/* Mini timeline variant (for detail right column) */
.c-frist-timeline.mini svg {
    height: 60px;
}

.c-frist-timeline.mini .tl-delta-label,
.c-frist-timeline.mini .tl-station-label,
.c-frist-timeline.mini .tl-rollover-label {
    display: none;
}

/* --- ClaimList (findings) --- */
.c-claim-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.c-claim-item {
    background: var(--paper-raised);
    border: 1px solid var(--rule);
    border-left: 4px solid var(--sem-gray);
    border-radius: 0 8px 8px 0;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.c-claim-item.verdict-red    { border-left-color: var(--sem-red); }
.c-claim-item.verdict-green  { border-left-color: var(--sem-green); }
.c-claim-item.verdict-amber  { border-left-color: var(--sem-amber); }
.c-claim-item.verdict-gray   { border-left-color: var(--sem-gray); }

.claim-item-icon {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
    line-height: 1;
}

.claim-item-icon.red    { background: var(--sem-red-soft); color: var(--sem-red-ink); }
.claim-item-icon.green  { background: var(--sem-green-soft); color: var(--sem-green-ink); }
.claim-item-icon.amber  { background: var(--sem-amber-soft); color: var(--sem-amber-ink); }
.claim-item-icon.gray   { background: var(--sem-gray-soft); color: var(--sem-gray-ink); }

.claim-item-body {
    flex: 1;
    min-width: 0;
}

.claim-item-title {
    font-family: var(--font-ui);
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.4;
}

.claim-item-assessment {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    color: var(--ink-soft);
    margin-top: 0.15rem;
}

.claim-item-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-top: 0.4rem;
}

/* --- SectionChip (§ pill) --- */
.c-section-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.55rem;
    background: var(--accent-soft);
    color: var(--accent);
    border-radius: var(--radius-pill);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    white-space: nowrap;
    transition: transform 140ms ease, box-shadow 140ms ease;
}

.c-section-chip:hover {
    transform: translateY(-1px);
    box-shadow: 0 1px 3px rgba(28,26,23,.12);
}

/* --- CalcDiffTable --- */
.c-calc-diff {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    background: var(--paper-raised);
    border: 1px solid var(--rule);
    border-radius: 8px;
    overflow: hidden;
}

.c-calc-diff caption {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
}

.c-calc-diff th {
    background: var(--paper-recess);
    color: var(--ink-faint);
    font-family: var(--font-ui);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
    padding: 0.6rem 0.75rem;
    text-align: right;
    border-bottom: 1px solid var(--rule);
}

.c-calc-diff th:first-child {
    text-align: left;
}

.c-calc-diff td {
    padding: 0.5rem 0.75rem;
    text-align: right;
    color: var(--ink);
    border-bottom: 1px solid var(--rule);
}

.c-calc-diff td:first-child {
    text-align: left;
    font-family: var(--font-ui);
    font-size: 0.82rem;
    color: var(--ink-soft);
    text-transform: capitalize;
}

.c-calc-diff .correct-col {
    background: rgba(45, 122, 78, 0.04);
    border-left: 2px solid var(--sem-green);
}

.c-calc-diff .delta-positive { color: var(--sem-green); font-weight: 600; }
.c-calc-diff .delta-negative { color: var(--sem-red); font-weight: 600; }
.c-calc-diff .delta-zero     { color: var(--ink-faint); }

.c-calc-diff .calc-row-na {
    color: var(--ink-faint);
    font-style: italic;
}

.c-calc-diff tfoot td {
    background: var(--paper-recess);
    font-weight: 700;
    border-top: 2px solid var(--ink);
    border-bottom: none;
}

/* --- TrapCallout --- */
.c-trap-callout {
    background: var(--sem-amber-soft);
    border-left: 4px solid var(--sem-amber);
    border-radius: 0 8px 8px 0;
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    font-family: var(--font-ui);
    font-size: 0.85rem;
    color: var(--sem-amber-ink);
    line-height: 1.5;
}

.c-trap-callout strong {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--sem-amber);
    margin-bottom: 0.3rem;
}

/* --- NextSteps --- */
.c-next-steps {
    background: var(--accent-soft);
    border: 1px solid var(--accent);
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.c-next-steps h4 {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

.next-steps-list {
    list-style: none;
    counter-reset: step-counter;
    padding: 0;
    margin: 0;
}

.next-steps-list li {
    counter-increment: step-counter;
    position: relative;
    padding-left: 2rem;
    padding-bottom: 0.6rem;
    font-family: var(--font-ui);
    font-size: 0.88rem;
    color: var(--ink);
    line-height: 1.5;
}

.next-steps-list li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 1.4rem;
    height: 1.4rem;
    background: var(--accent);
    color: var(--paper-raised);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
}

/* --- Citations list --- */
.citations-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.5rem;
}

.citation-item {
    display: inline-flex;
    flex-direction: column;
    padding: 0.4rem 0.7rem;
    background: var(--paper-recess);
    border-radius: 8px;
    border: 1px solid var(--rule);
}

.citation-norm {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
}

.citation-role {
    font-family: var(--font-ui);
    font-size: 0.72rem;
    color: var(--ink-faint);
    margin-top: 0.1rem;
}

/* --- Demo comparison view --- */
.pruefstand-demo-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

@media (max-width: 768px) {
    .pruefstand-demo-comparison {
        grid-template-columns: 1fr;
    }
}

.demo-column h3 {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--ink-faint);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--rule);
}

.demo-column.expected h3 { border-bottom-color: var(--accent); }
.demo-column.actual h3   { border-bottom-color: var(--sem-green); }

.demo-match-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-pill);
    font-family: var(--font-ui);
    font-size: 0.72rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

.demo-match-badge.match    { background: var(--sem-green-soft); color: var(--sem-green-ink); }
.demo-match-badge.mismatch { background: var(--sem-red-soft); color: var(--sem-red-ink); }

.demo-pipeline-output {
    background: var(--paper-recess);
    border: 1px solid var(--rule);
    border-radius: 8px;
    padding: 1.25rem;
    font-family: var(--font-serif);
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--ink);
    white-space: pre-wrap;
    word-wrap: break-word;
    max-height: 500px;
    overflow-y: auto;
}

.demo-pipeline-section {
    margin-bottom: 1rem;
}

.demo-pipeline-section-title {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 0.4rem;
}

/* --- Demo streaming progress --- */
.demo-progress {
    background: var(--paper-raised);
    border: 1px solid var(--rule);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.demo-progress-title {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: var(--ink);
    margin-bottom: 1rem;
}

.demo-progress-stages {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.demo-progress-stage {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-ui);
    font-size: 0.85rem;
    color: var(--ink-faint);
    padding: 0.3rem 0;
}

.demo-progress-stage.active {
    color: var(--accent);
    font-weight: 600;
}

.demo-progress-stage.active .demo-progress-stage-icon {
    animation: demo-pulse 1.2s ease-in-out infinite;
}

@keyframes demo-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.15); }
}

.demo-progress-stage.complete {
    color: var(--sem-green-ink);
}

.demo-progress-stage-icon {
    width: 18px;
    text-align: center;
    font-family: var(--font-mono);
}

/* --- Detail title --- */
.pruefstand-detail-title {
    font-family: var(--font-serif);
    font-size: 1.56rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

.pruefstand-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    font-family: var(--font-ui);
    font-size: 0.82rem;
    color: var(--ink-faint);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--rule);
}

.pruefstand-detail-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

/* --- Demo CTA button in detail --- */
.demo-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1.2rem;
    background: var(--accent);
    color: var(--paper-raised);
    border: none;
    border-radius: 8px;
    font-family: var(--font-ui);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 160ms ease, transform 160ms ease;
    margin-bottom: 1.5rem;
}

.demo-cta-btn:hover {
    background: var(--accent-bright);
    transform: translateY(-1px);
}

.demo-cta-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* --- Responsive gallery --- */
@media (max-width: 640px) {
    .pruefstand-gallery {
        grid-template-columns: 1fr;
    }
    .pruefstand-baseline-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   WP-42 — OCR Quality Gate (ConfidenceRibbon)
   ========================================================================== */

/* ConfidenceRibbon — colored bar showing OCR quality level */
.c-confidence-ribbon {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
}

.c-confidence-ribbon-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.c-confidence-ribbon-label {
    font-size: var(--font-size-small);
    font-weight: 600;
    color: var(--color-text);
}

.c-confidence-ribbon-score {
    font-size: var(--font-size-large);
    font-weight: 700;
    font-family: var(--font-mono, 'IBM Plex Mono', monospace);
}

/* Score bar track */
.c-confidence-ribbon-track {
    width: 100%;
    height: 10px;
    background: var(--color-background);
    border-radius: 5px;
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.c-confidence-ribbon-fill {
    height: 100%;
    border-radius: 5px;
    transition: width 0.4s ease;
}

/* Color variants */
.c-confidence-ribbon.level-good .c-confidence-ribbon-fill {
    background: linear-gradient(90deg, #2d7a4e, #4caf50);
}
.c-confidence-ribbon.level-good .c-confidence-ribbon-score {
    color: #2d7a4e;
}

.c-confidence-ribbon.level-acceptable .c-confidence-ribbon-fill {
    background: linear-gradient(90deg, #c9821a, #f0a030);
}
.c-confidence-ribbon.level-acceptable .c-confidence-ribbon-score {
    color: #c9821a;
}

.c-confidence-ribbon.level-poor .c-confidence-ribbon-fill {
    background: linear-gradient(90deg, #e67e22, #e74c3c);
}
.c-confidence-ribbon.level-poor .c-confidence-ribbon-score {
    color: #e67e22;
}

.c-confidence-ribbon.level-unusable .c-confidence-ribbon-fill {
    background: linear-gradient(90deg, #c0392b, #e74c3c);
}
.c-confidence-ribbon.level-unusable .c-confidence-ribbon-score {
    color: #c0392b;
}

/* Level label badge */
.c-confidence-ribbon-level-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
}

.c-confidence-ribbon.level-good .c-confidence-ribbon-level-badge {
    background: rgba(45, 122, 78, 0.15);
    color: #2d7a4e;
}

.c-confidence-ribbon.level-acceptable .c-confidence-ribbon-level-badge {
    background: rgba(201, 130, 26, 0.15);
    color: #c9821a;
}

.c-confidence-ribbon.level-poor .c-confidence-ribbon-level-badge {
    background: rgba(230, 126, 34, 0.15);
    color: #e67e22;
}

.c-confidence-ribbon.level-unusable .c-confidence-ribbon-level-badge {
    background: rgba(192, 57, 43, 0.15);
    color: #c0392b;
}

/* Warnings / recommendations below ribbon */
.c-confidence-ribbon-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xs);
}

.c-confidence-ribbon-warning {
    font-size: var(--font-size-small);
    line-height: 1.5;
    padding: var(--spacing-sm) var(--spacing-md);
    background: #fff8e6;
    border: 1px solid var(--color-warning);
    border-radius: var(--border-radius-sm);
    color: #8a6d00;
}

.c-confidence-ribbon-error {
    font-size: var(--font-size-small);
    line-height: 1.5;
    padding: var(--spacing-sm) var(--spacing-md);
    background: #ffeaea;
    border: 1px solid var(--color-error);
    border-radius: var(--border-radius-sm);
    color: var(--color-error);
}

.c-confidence-ribbon-detail-row {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
}

.c-confidence-ribbon-detail-row span:last-child {
    font-weight: 600;
    color: var(--color-text);
}

.c-confidence-ribbon-recommendations {
    list-style: none;
    padding: 0;
    margin: var(--spacing-xs) 0;
}

.c-confidence-ribbon-recommendations li {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
    padding: 2px 0;
    padding-left: 16px;
    position: relative;
}

.c-confidence-ribbon-recommendations li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

.c-confidence-ribbon-issues {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
    line-height: 1.5;
    margin-top: var(--spacing-xs);
    padding-left: 16px;
}

.c-confidence-ribbon-issues li {
    padding: 2px 0;
}

/* ==========================================================================
   WP-41 — Result Report (Analyze Mode)
   Report-specific layout using the warm-paper design tokens and .c- prefixed
   shared components per devdocs/design_v1.0.0.md §11.
   Additive only — no modifications to existing analyze/Chat/Settings styles.
   ========================================================================== */

/* --- Report container --- */
#result-report-section .report-result {
    /* The .section wrapper already provides surface + padding; .report-result
       adds vertical rhythm between the structured regions. */
    display: block;
}

/* Each structured region (#deadline-banner, #result-summary, …) gets consistent
   spacing. Empty regions (no calc data, no traps, etc.) collapse away. */
.report-region {
    margin-bottom: 1.75rem;
}
.report-region:empty {
    display: none;
    margin: 0;
}

/* --- Case header --- */
.report-case-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--rule);
}

.report-case-title {
    font-family: var(--font-serif);
    font-size: 1.56rem;
    font-weight: 700;
    color: var(--ink);
    margin: 0;
}

.report-case-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* --- Section headings (Befunde, Berechnung, Fristen-Verlauf, …) --- */
.report-section-heading {
    font-family: var(--font-ui);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent);
    margin: 0 0 0.85rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--rule);
}

/* --- Summary block (overall assessment: green/red/gray) --- */
.report-summary {
    border-radius: 0 12px 12px 0;
    padding: 1.1rem 1.4rem;
    border-left: 5px solid var(--sem-gray);
    background: var(--sem-gray-soft);
}

.report-summary.report-summary-green {
    border-left-color: var(--sem-green);
    background: var(--sem-green-soft);
}
.report-summary.report-summary-red {
    border-left-color: var(--sem-red);
    background: var(--sem-red-soft);
}
.report-summary.report-summary-gray {
    border-left-color: var(--sem-gray);
    background: var(--sem-gray-soft);
}

.report-summary-verdict {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.6rem;
}

.report-summary-label {
    font-family: var(--font-ui);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--ink);
}

.report-summary-green .report-summary-label { color: var(--sem-green-ink); }
.report-summary-red   .report-summary-label { color: var(--sem-red-ink); }
.report-summary-gray  .report-summary-label { color: var(--sem-gray-ink); }

.report-summary-text {
    font-family: var(--font-serif);
    font-size: 1.06rem;
    line-height: 1.65;
    color: var(--ink-soft);
    white-space: pre-wrap;
}

/* --- Calc summary line (below the .c-calc-diff table) --- */
.report-calc-summary {
    font-family: var(--font-ui);
    font-size: 0.88rem;
    color: var(--ink-soft);
    margin-top: 0.75rem;
    padding: 0.6rem 0.9rem;
    background: var(--paper-recess);
    border-radius: 8px;
    line-height: 1.5;
}

/* --- Document generation panel --- */
.report-doc-buttons {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.report-doc-btn {
    min-height: 44px; /* WCAG 2.5.5 touch target */
}

.report-doc-status {
    font-family: var(--font-ui);
    font-size: 0.88rem;
    padding: 0.7rem 1rem;
    border-radius: 8px;
    margin-bottom: 0.75rem;
    background: var(--accent-soft);
    color: var(--accent);
}

.report-doc-status.report-doc-success {
    background: var(--sem-green-soft);
    color: var(--sem-green-ink);
}

.report-doc-status.report-doc-error {
    background: var(--sem-red-soft);
    color: var(--sem-red-ink);
}

/* Rendered document output */
.report-doc-rendered {
    border: 1px solid var(--rule);
    border-radius: 12px;
    overflow: hidden;
    background: var(--paper-raised);
}

.report-doc-rendered-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    background: var(--paper-recess);
    border-bottom: 1px solid var(--rule);
    flex-wrap: wrap;
}

.report-doc-type {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--accent);
}

.report-doc-text {
    font-family: var(--font-serif);
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--ink);
    padding: 1.2rem 1.4rem;
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
    max-height: 60vh;
    overflow-y: auto;
}

.report-doc-warnings {
    padding: 0.7rem 1.4rem 1rem;
    background: var(--sem-amber-soft);
    border-top: 1px solid var(--rule);
}

.report-doc-warnings strong {
    font-family: var(--font-ui);
    font-size: 0.82rem;
    color: var(--sem-amber-ink);
    display: block;
    margin-bottom: 0.3rem;
}

.report-doc-warnings ul {
    margin: 0;
    padding-left: 1.2rem;
}

.report-doc-warnings li {
    font-family: var(--font-ui);
    font-size: 0.82rem;
    color: var(--sem-amber-ink);
    line-height: 1.5;
    padding: 1px 0;
}

/* --- Report footer --- */
.report-footer {
    margin-top: 2rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--rule);
}

.report-footer-disclaimer {
    font-family: var(--font-ui);
    font-size: 0.78rem;
    color: var(--ink-faint);
    margin: 0 0 0.2rem;
}

#report-footer .footer-profile {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--ink-faint);
    margin: 0;
}

/* --- Error state (no output data) --- */
.report-error {
    padding: 1.5rem;
    background: var(--sem-red-soft);
    color: var(--sem-red-ink);
    border-radius: 12px;
    border-left: 5px solid var(--sem-red);
    font-family: var(--font-ui);
    font-size: 0.92rem;
}

/* --- DeadlineBanner red-state pulse (design doc §3.2) ---
   Gentle opacity pulse gated behind prefers-reduced-motion. Additive rule —
   does not alter the base .c-deadline-banner properties. */
@media (prefers-reduced-motion: no-preference) {
    .c-deadline-banner.state-urgent-red {
        animation: report-deadline-pulse 2.2s ease-in-out infinite;
    }
}

@keyframes report-deadline-pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.88; }
}

/* --- Responsive: narrow screens --- */
@media (max-width: 639px) {
    .report-case-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .report-case-actions {
        width: 100%;
    }
    .report-case-actions .btn {
        flex: 1;
    }
    .report-doc-buttons {
        flex-direction: column;
    }
    .report-doc-btn {
        width: 100%;
    }
}