/* ═══════════════════════════════════════════════════
   WORD AI — DocFlow Studio   |   Premium UI v2
═══════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&family=Merriweather:ital,wght@0,400;0,700;1,400&family=Outfit:wght@400;600;700&family=Playfair+Display:wght@600;700&display=swap');

/* ── Tokens ── */
:root {
    --sidebar-bg:     #0f1117;
    --sidebar-border: rgba(255,255,255,0.07);
    --surface:        #1a1d27;
    --surface-hover:  #22263a;
    --accent:         #4f7bf7;
    --accent-glow:    rgba(79,123,247,0.25);
    --accent-2:       #a78bfa;
    --success:        #34d399;
    --warning:        #fbbf24;
    --text-primary:   #f0f2ff;
    --text-secondary: #8890a8;
    --text-muted:     #4b526b;
    --border:         rgba(255,255,255,0.08);
    --sidebar-w:      370px;

    /* Paper / output */
    --paper-bg:       #ffffff;
    --stage-bg:       #d8dde8;

    /* Fonts */
    --font-ui:        'Inter', sans-serif;
    --font-display:   'Outfit', sans-serif;
    --font-modern:    'Inter', sans-serif;
    --font-classic:   'Merriweather', serif;
    --font-elegant:   'Playfair Display', serif;
    --font-mono:      'JetBrains Mono', monospace;

    /* Easing */
    --ease-out:       cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ── Body ── */
body {
    font-family: var(--font-ui);
    background: var(--sidebar-bg);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
}

/* ═══════════════════════════════════════════════════
   APP LAYOUT
═══════════════════════════════════════════════════ */
.app-layout {
    display: flex;
    height: 100vh;
    width: 100vw;
}

/* ═══════════════════════════════════════════════════
   SIDEBAR
═══════════════════════════════════════════════════ */
.sidebar {
    width: var(--sidebar-w);
    min-width: var(--sidebar-w);
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
    display: flex;
    flex-direction: column;
    padding: 0;
    z-index: 10;
    overflow-y: auto;
    overflow-x: hidden;
    max-height: 100vh;
    scrollbar-width: thin;
    scrollbar-color: var(--surface-hover) transparent;
}

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: var(--surface-hover); border-radius: 4px; }

/* ── Header ── */
.app-header {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 1.4rem 1.5rem 1.25rem;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--sidebar-bg);
    z-index: 5;
}

.icon-logo {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.15rem;
    font-family: var(--font-display);
    box-shadow: 0 4px 16px var(--accent-glow);
    flex-shrink: 0;
}

.app-header h1 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.app-header p {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    margin-top: 1px;
}

/* ── Sidebar Body ── */
.sidebar-body {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0 0 1rem;
    flex: 1;
}

/* ── Control Groups ── */
.control-group {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.section-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.section-label {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    color: var(--text-muted);
}

.char-count {
    font-size: 0.7rem;
    color: var(--text-muted);
    background: var(--surface);
    padding: 2px 8px;
    border-radius: 99px;
    font-variant-numeric: tabular-nums;
}

/* ── Textarea ── */
textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--surface);
    font-family: var(--font-ui);
    font-size: 0.9rem;
    color: var(--text-primary);
    resize: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    line-height: 1.6;
}

textarea::placeholder { color: var(--text-muted); }

textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

#rawInput { height: 180px; }

/* ═══════════════════════════════════════════════════
   TOGGLE SWITCHES  (replaces old checkboxes)
═══════════════════════════════════════════════════ */
.toggles-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.toggle-item {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
    cursor: pointer;
    background: var(--surface);
    padding: 0.55rem 0.75rem;
    border-radius: 8px;
    border: 1px solid transparent;
    transition: all 0.18s var(--ease-out);
    user-select: none;
    position: relative;
}

.toggle-item:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

/* Hide native checkbox */
.toggle-item input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

/* Custom pill switch */
.toggle-item .switch {
    width: 30px;
    height: 17px;
    background: var(--text-muted);
    border-radius: 99px;
    flex-shrink: 0;
    position: relative;
    transition: background 0.2s;
    order: -1;
}

.toggle-item .switch::after {
    content: '';
    position: absolute;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: #fff;
    top: 3px;
    left: 3px;
    transition: transform 0.2s var(--ease-out);
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.toggle-item input:checked ~ .switch {
    background: var(--accent);
}

.toggle-item input:checked ~ .switch::after {
    transform: translateX(13px);
}

/* Highlighted (primary) toggles */
.toggle-item.highlight {
    background: rgba(79,123,247,0.08);
    border-color: rgba(79,123,247,0.2);
    color: var(--text-primary);
}

.toggle-item.highlight:hover {
    background: rgba(79,123,247,0.15);
    border-color: var(--accent);
}

.toggle-item.highlight input:checked ~ .switch {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

/* Full-width toggle */
.toggle-item.full-width { grid-column: span 2; }

/* ═══════════════════════════════════════════════════
   SELECT DROPDOWNS
═══════════════════════════════════════════════════ */
.dropdowns-stack { display: flex; flex-direction: column; gap: 0.6rem; }

.select-group { display: flex; flex-direction: column; gap: 0.3rem; }

.select-group label {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.select-group select {
    padding: 0.6rem 2rem 0.6rem 0.85rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: 0.88rem;
    font-weight: 500;
    outline: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238890a8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    transition: border-color 0.18s, box-shadow 0.18s;
}

.select-group select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.select-group select option {
    background: #1a1d27;
    color: var(--text-primary);
}

/* ═══════════════════════════════════════════════════
   ACTION BAR & BUTTONS
═══════════════════════════════════════════════════ */
.action-bar {
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

/* Generate Button */
.btn-primary {
    width: 100%;
    padding: 0.85rem 1rem;
    border-radius: 10px;
    border: none;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
    color: #fff;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.2s var(--ease-out);
    box-shadow: 0 4px 20px var(--accent-glow);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
    opacity: 0;
    transition: opacity 0.2s;
}

.btn-primary:hover::before { opacity: 1; }
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(79,123,247,0.4);
}
.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px var(--accent-glow);
}
.btn-primary:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Ghost button */
.btn-ghost {
    padding: 0.65rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-ui);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.18s;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.btn-ghost:hover {
    background: var(--surface);
    color: var(--text-primary);
    border-color: var(--accent);
}

/* Status note */
.status-note {
    padding: 0 1.5rem 1rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.status-note a { color: var(--accent); text-decoration: none; }
.status-note a:hover { text-decoration: underline; }

/* ═══════════════════════════════════════════════════
   PREVIEW STAGE (right panel)
═══════════════════════════════════════════════════ */
.preview-stage {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--stage-bg);
    background-image:
        radial-gradient(circle at 20% 20%, rgba(79,123,247,0.06) 0%, transparent 60%),
        radial-gradient(circle at 80% 80%, rgba(167,139,250,0.06) 0%, transparent 60%);
    position: relative;
    overflow: hidden;
}

/* ── Toolbar ── */
.toolbar {
    height: 56px;
    background: rgba(255,255,255,0.95);
    border-bottom: 1px solid rgba(0,0,0,0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.25rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
    z-index: 4;
    gap: 1rem;
}

.toolbar-left,
.toolbar-right {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-shrink: 0;
}

.toolbar-center {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 600;
    color: #1e293b;
    font-size: 0.88rem;
    flex: 1;
    justify-content: center;
}

.badge-pro {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 800;
    padding: 0.2rem 0.6rem;
    border-radius: 99px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    box-shadow: 0 2px 8px rgba(16,185,129,0.3);
}

.doc-title {
    color: #334155;
    font-size: 0.85rem;
    font-weight: 600;
}

.word-count {
    font-size: 0.7rem;
    font-weight: 600;
    color: #64748b;
    background: #f1f5f9;
    padding: 0.2rem 0.65rem;
    border-radius: 99px;
    font-variant-numeric: tabular-nums;
}

/* Export Buttons */
.btn-tool {
    background: transparent;
    border: 1px solid #e2e8f0;
    padding: 0.38rem 0.75rem;
    border-radius: 7px;
    cursor: pointer;
    color: #475569;
    font-weight: 600;
    font-size: 0.78rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    transition: all 0.18s;
    white-space: nowrap;
}

.btn-tool:hover {
    background: #f8fafc;
    border-color: #94a3b8;
    color: #1e293b;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.btn-tool:active { transform: translateY(0); }

/* Copy button — slightly highlighted */
#copyBtn {
    background: #f0f9ff;
    border-color: #bae6fd;
    color: #0369a1;
}

#copyBtn:hover {
    background: #e0f2fe;
    border-color: #38bdf8;
    color: #0284c7;
}

.ext {
    font-family: var(--font-mono);
    letter-spacing: -0.02em;
    font-size: 0.72rem;
    font-weight: 700;
}

.divider {
    width: 1px;
    height: 22px;
    background: #e2e8f0;
    margin: 0 0.25rem;
}

/* ── Paper Viewport ── */
.paper-viewport {
    flex: 1;
    overflow-y: auto;
    padding: 2.5rem 3rem;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    scrollbar-width: thin;
    scrollbar-color: rgba(0,0,0,0.15) transparent;
}

.paper-viewport::-webkit-scrollbar { width: 6px; }
.paper-viewport::-webkit-scrollbar-track { background: transparent; }
.paper-viewport::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); border-radius: 4px; }

/* The Pages Wrapper */
.pages-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
    width: 100%;
}

/* The Paper Sheet */
.paper-page {
    width: 210mm;
    height: 297mm; /* Fixed height for A4 pagination */
    background: var(--paper-bg);
    box-shadow:
        0 4px 6px rgba(0,0,0,0.05),
        0 10px 40px rgba(0,0,0,0.1),
        0 30px 80px rgba(0,0,0,0.05);
    padding: 22mm 24mm;
    border: none;
    outline: none;
    font-family: var(--font-ui);
    font-size: 11pt;
    line-height: 1.6;
    color: #111827;
    resize: none;
    border-radius: 4px;
    transition: box-shadow 0.3s;
    overflow: hidden; /* Hide overflow from strictly paginated text */
}

.paper-page:focus-within {
    box-shadow:
        0 4px 6px rgba(0,0,0,0.05),
        0 20px 60px rgba(79,123,247,0.12),
        0 30px 80px rgba(0,0,0,0.06);
}

/* Textarea inside paper overrides */
textarea.paper-page {
    color: #374151;
    min-height: 297mm;
    height: auto;
    overflow-y: auto;
    margin-bottom: 3rem;
}

/* ═══════════════════════════════════════════════════
   DOCUMENT PREVIEW TYPOGRAPHY
═══════════════════════════════════════════════════ */

/* Shared heading styles */
.document-preview h1 {
    font-size: 22pt;
    margin-bottom: 12pt;
    font-weight: 700;
    line-height: 1.2;
    border-bottom: 2px solid #e5e7eb;
    padding-bottom: 8pt;
    margin-top: 0;
}

.document-preview h2 {
    font-size: 17pt;
    margin-top: 20pt;
    margin-bottom: 8pt;
    font-weight: 700;
}

.document-preview h3 {
    font-size: 13pt;
    margin-top: 14pt;
    margin-bottom: 6pt;
    font-weight: 600;
}

.document-preview p {
    margin-bottom: 10pt;
    text-align: justify;
    line-height: 1.7;
}

.document-preview ul,
.document-preview ol {
    margin-left: 18pt;
    margin-bottom: 10pt;
}

.document-preview li { margin-bottom: 4pt; line-height: 1.6; }
.document-preview strong { font-weight: 700; }
.document-preview em { font-style: italic; }

.document-preview blockquote {
    border-left: 3px solid #d1d5db;
    padding-left: 10pt;
    color: #6b7280;
    font-style: italic;
    margin: 10pt 0;
}

.document-preview code {
    background: #f3f4f6;
    padding: 2px 5px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.88em;
}

.document-preview pre {
    background: #f3f4f6;
    padding: 10pt;
    border-radius: 6px;
    overflow-x: auto;
    margin-bottom: 10pt;
}

.document-preview pre code { background: none; padding: 0; }

/* ── Office Standard (Classic) ── */
.document-preview.classic {
    font-family: var(--font-classic);
    font-size: 10.5pt;
}
.document-preview.classic h1,
.document-preview.classic h2,
.document-preview.classic h3 {
    font-family: var(--font-classic);
}

/* ── Creative / Bold (Modern) ── */
.document-preview.modern {
    font-family: var(--font-modern);
}
.document-preview.modern h1,
.document-preview.modern h2 {
    font-family: var(--font-display);
    color: #0f172a;
}
.document-preview.modern h3 { color: #1d4ed8; }

/* ── Minimal (Mono) ── */
.document-preview.mono {
    font-family: var(--font-mono);
    font-size: 9.5pt;
}

/* ── Word Document (Arial / Times New Roman) ── */
.document-preview.word-doc {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 11pt;
    line-height: 1.65;
    color: #000;
}

.document-preview.word-doc h1,
.document-preview.word-doc h2 {
    font-family: 'Times New Roman', Times, serif;
    font-size: 20pt;
    font-weight: 700;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16pt;
    border-bottom: 2px solid #000;
    padding-bottom: 6pt;
    color: #000;
}

.document-preview.word-doc h3 {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 13pt;
    font-weight: 700;
    margin-top: 16pt;
    margin-bottom: 6pt;
    color: #1a1a1a;
    border-left: 4px solid #4f7bf7;
    padding-left: 8pt;
}

.document-preview.word-doc h4 {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 11pt;
    font-weight: 700;
    margin-top: 12pt;
    margin-bottom: 4pt;
}

.document-preview.word-doc ul,
.document-preview.word-doc ol {
    margin-left: 20pt;
    margin-bottom: 10pt;
}

.document-preview.word-doc li { margin-bottom: 5pt; }
.document-preview.word-doc li::marker { color: #4f7bf7; font-weight: 700; }
.document-preview.word-doc strong { font-weight: 700; color: #0f172a; }

/* ── Highlights ── */
.document-preview.word-doc mark,
.document-preview mark {
    background: #fff3b0;
    color: #000;
    padding: 1px 4px;
    border-radius: 3px;
    font-weight: 600;
    border-bottom: 1.5px solid #f59e0b;
}

/* ═══════════════════════════════════════════════════
   ICON & SPIN
═══════════════════════════════════════════════════ */
.icon { display: inline-flex; align-items: center; }

@keyframes spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}
.spin {
    animation: spin 0.8s linear infinite;
    transform-origin: center;
    display: inline-block;
}

/* ═══════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════ */
@media (max-width: 960px) {
    .app-layout {
        flex-direction: column;
        height: auto;
        overflow: auto;
    }
    .sidebar {
        width: 100%;
        min-width: unset;
        border-right: none;
        border-bottom: 1px solid var(--border);
        max-height: none;
    }
    .preview-stage { height: 100vh; }
    .paper-viewport { padding: 1.5rem; }
    .paper-page {
        width: 100%;
        min-height: 80vh;
        padding: 1.5rem;
    }
    .toolbar { padding: 0 1rem; gap: 0.5rem; }
    .btn-tool { padding: 0.35rem 0.55rem; font-size: 0.72rem; }
}

/* ═══════════════════════════════════════════════════
   COLOR SWATCH PICKER
═══════════════════════════════════════════════════ */
.color-section {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.25rem;
}

.color-label {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.color-swatches {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.color-swatch {
    position: relative;
    cursor: pointer;
    flex-shrink: 0;
}

.color-swatch input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.color-swatch span {
    display: block;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    border: 3px solid transparent;
    box-shadow: 0 1px 4px rgba(0,0,0,0.3);
    transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}

.color-swatch:hover span {
    transform: scale(1.15);
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.color-swatch input:checked + span {
    border-color: rgba(255,255,255,0.9);
    transform: scale(1.2);
    box-shadow: 0 0 0 2px rgba(255,255,255,0.4), 0 3px 10px rgba(0,0,0,0.4);
}

/* ═══════════════════════════════════════════════════
   DOCUMENT PREVIEW – BASE DEFAULT
   (applies to .document-preview regardless of style class)
═══════════════════════════════════════════════════ */
.document-preview {
    --doc-accent: #2563eb; /* default — overridden by JS */
}

/* ═══════════════════════════════════════════════════
   FONT FAMILY CLASSES  (.ff-*)
═══════════════════════════════════════════════════ */
.document-preview.ff-inter     { font-family: 'Inter', sans-serif; }
.document-preview.ff-roboto    { font-family: 'Roboto', sans-serif; }
.document-preview.ff-opensans  { font-family: 'Open Sans', sans-serif; }
.document-preview.ff-lato      { font-family: 'Lato', sans-serif; }
.document-preview.ff-dmsans    { font-family: 'DM Sans', sans-serif; }
.document-preview.ff-raleway   { font-family: 'Raleway', sans-serif; }
.document-preview.ff-merriweather { font-family: 'Merriweather', serif; }
.document-preview.ff-garamond  { font-family: 'EB Garamond', serif; }
.document-preview.ff-sourceserif { font-family: 'Source Serif 4', serif; }
.document-preview.ff-playfair  { font-family: 'Playfair Display', serif; }
.document-preview.ff-cormorant { font-family: 'Cormorant Garamond', serif; }
.document-preview.ff-cinzel    { font-family: 'Cinzel', serif; }
.document-preview.ff-arial     { font-family: Arial, Helvetica, sans-serif; }
.document-preview.ff-times     { font-family: 'Times New Roman', Times, serif; }
.document-preview.ff-mono      { font-family: 'JetBrains Mono', monospace; font-size: 9.5pt; }

/* ═══════════════════════════════════════════════════
   FONT SIZE CLASSES  (.fs-*)
═══════════════════════════════════════════════════ */
.document-preview.fs-small  { font-size: 10pt; }
.document-preview.fs-normal { font-size: 11pt; }
.document-preview.fs-large  { font-size: 12pt; }
.document-preview.fs-xl     { font-size: 14pt; }

/* Proportional heading scaling */
.document-preview.fs-small  h1 { font-size: 18pt; }
.document-preview.fs-large  h1 { font-size: 26pt; }
.document-preview.fs-xl     h1 { font-size: 30pt; }
.document-preview.fs-small  h2 { font-size: 14pt; }
.document-preview.fs-large  h2 { font-size: 19pt; }
.document-preview.fs-xl     h2 { font-size: 22pt; }

/* ═══════════════════════════════════════════════════
   LINE SPACING CLASSES  (.ls-*)
═══════════════════════════════════════════════════ */
.document-preview.ls-tight   { line-height: 1.3; }
.document-preview.ls-normal  { line-height: 1.6; }
.document-preview.ls-relaxed { line-height: 1.9; }
.document-preview.ls-double  { line-height: 2.2; }

/* ═══════════════════════════════════════════════════
   HEADING STYLE CLASSES  (.hs-*)
   All use var(--doc-accent) for color theming
═══════════════════════════════════════════════════ */

/* ── Underline Bar (default) ── */
.document-preview.hs-underline h1,
.document-preview.hs-underline h2 {
    border-bottom: 2.5px solid var(--doc-accent);
    padding-bottom: 5pt;
    color: var(--doc-accent);
}
.document-preview.hs-underline h3 {
    border-bottom: 1px solid color-mix(in srgb, var(--doc-accent) 40%, transparent);
    padding-bottom: 3pt;
    color: var(--doc-accent);
}

/* ── Side Accent Bar ── */
.document-preview.hs-sidebar h2,
.document-preview.hs-sidebar h3 {
    border-left: 5px solid var(--doc-accent);
    padding-left: 10pt;
    margin-left: -10pt;
    color: #1a1a1a;
    background: color-mix(in srgb, var(--doc-accent) 5%, white);
    border-radius: 0 4px 4px 0;
}
.document-preview.hs-sidebar h1 {
    border-bottom: 3px solid var(--doc-accent);
    padding-bottom: 6pt;
    color: var(--doc-accent);
}

/* ── Filled Box ── */
.document-preview.hs-boxed h2 {
    background: var(--doc-accent);
    color: #fff !important;
    padding: 5pt 10pt;
    border-radius: 5px;
    letter-spacing: 0.02em;
    margin-top: 18pt;
}
.document-preview.hs-boxed h3 {
    background: color-mix(in srgb, var(--doc-accent) 12%, white);
    color: var(--doc-accent) !important;
    padding: 3pt 8pt;
    border-radius: 4px;
    border-left: 4px solid var(--doc-accent);
    margin-top: 12pt;
}
.document-preview.hs-boxed h1 {
    background: var(--doc-accent);
    color: #fff !important;
    text-align: center;
    padding: 12pt 16pt;
    border-radius: 6px;
    letter-spacing: 0.03em;
}

/* ── Bold All Caps ── */
.document-preview.hs-caps h1,
.document-preview.hs-caps h2,
.document-preview.hs-caps h3 {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--doc-accent);
    font-weight: 800;
}
.document-preview.hs-caps h2 { font-size: 11.5pt; border-bottom: 1px solid #e5e7eb; padding-bottom: 4pt; }
.document-preview.hs-caps h3 { font-size: 10.5pt; color: #374151; }

/* ── Numbered Sections ── */
.document-preview.hs-numbered { counter-reset: h2ct; }
.document-preview.hs-numbered h2 {
    counter-increment: h2ct;
    counter-reset: h3ct;
    color: var(--doc-accent);
    border-bottom: 1.5px solid color-mix(in srgb, var(--doc-accent) 30%, transparent);
    padding-bottom: 4pt;
}
.document-preview.hs-numbered h2::before {
    content: counter(h2ct) ". ";
    font-weight: 800;
    color: var(--doc-accent);
}
.document-preview.hs-numbered h3 {
    counter-increment: h3ct;
    color: #374151;
}
.document-preview.hs-numbered h3::before {
    content: counter(h2ct) "." counter(h3ct) " ";
    font-weight: 700;
    color: var(--doc-accent);
}

/* ── Symbol Prefix ◆ ── */
.document-preview.hs-symbol h2::before {
    content: "◆ ";
    color: var(--doc-accent);
    font-size: 0.85em;
}
.document-preview.hs-symbol h3::before {
    content: "◇ ";
    color: var(--doc-accent);
    font-size: 0.8em;
}
.document-preview.hs-symbol h2,
.document-preview.hs-symbol h3 {
    color: #1a1a1a;
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 4pt;
}
.document-preview.hs-symbol h1 { color: var(--doc-accent); border-bottom: 2px solid var(--doc-accent); padding-bottom: 6pt; }

/* ── Arrow Prefix → ── */
.document-preview.hs-arrow h2::before { content: "→ "; color: var(--doc-accent); font-weight: 700; }
.document-preview.hs-arrow h3::before { content: "›› "; color: var(--doc-accent); }
.document-preview.hs-arrow h2 { color: #1a1a1a; border-bottom: 1px solid #e5e7eb; padding-bottom: 4pt; }
.document-preview.hs-arrow h3 { color: #374151; }
.document-preview.hs-arrow h1 { color: var(--doc-accent); text-align: center; border-bottom: 2px solid var(--doc-accent); padding-bottom: 6pt; }

/* ── Double Border ═══ ── */
.document-preview.hs-double h1 {
    border-top: 3px double var(--doc-accent);
    border-bottom: 3px double var(--doc-accent);
    padding: 8pt 0;
    text-align: center;
    color: var(--doc-accent);
    letter-spacing: 0.05em;
}
.document-preview.hs-double h2 {
    border-bottom: 2px double var(--doc-accent);
    padding-bottom: 4pt;
    color: var(--doc-accent);
}
.document-preview.hs-double h3 {
    border-bottom: 1px dashed color-mix(in srgb, var(--doc-accent) 50%, transparent);
    padding-bottom: 3pt;
    color: #374151;
}

/* ── Plain Clean ── */
.document-preview.hs-plain h1,
.document-preview.hs-plain h2,
.document-preview.hs-plain h3 {
    color: #0f172a;
    border: none;
    padding: 0;
}

/* ═══════════════════════════════════════════════════
   CALLOUT BOXES
   AI uses > ⚡ **Key Insight:** or > ⚠️ etc.
═══════════════════════════════════════════════════ */
.document-preview blockquote {
    background: color-mix(in srgb, var(--doc-accent) 6%, white);
    border-left: 4px solid var(--doc-accent);
    padding: 10pt 14pt;
    border-radius: 0 6px 6px 0;
    margin: 12pt 0;
    font-style: normal;
    color: #1e293b;
}

.document-preview blockquote strong {
    color: var(--doc-accent);
}

.document-preview blockquote p { margin: 0; text-align: left; }

/* ── Highlight marks ── */
.document-preview mark {
    background: #fff3b0;
    color: #000;
    padding: 1px 4px;
    border-radius: 3px;
    font-weight: 600;
    border-bottom: 1.5px solid #f59e0b;
}

/* ═══════════════════════════════════════════════════
   TABLE OF CONTENTS  (.toc-block generated by AI)
   Styled when AI wraps TOC in a blockquote or div
═══════════════════════════════════════════════════ */
.document-preview .toc-block {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 12pt 16pt;
    margin-bottom: 20pt;
}
.document-preview .toc-block h4 {
    font-size: 10pt;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--doc-accent);
    margin-bottom: 8pt;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 4pt;
}
.document-preview .toc-block ul { margin: 0; list-style: none; padding: 0; }
.document-preview .toc-block li {
    font-size: 10pt;
    padding: 2pt 0;
    color: #374151;
    display: flex;
}
.document-preview .toc-block li::after {
    content: '';
    flex: 1;
    border-bottom: 1px dotted #cbd5e1;
    margin: 0 6pt;
    align-self: flex-end;
    margin-bottom: 3pt;
}

/* ═══════════════════════════════════════════════════
   SIGNATURE BLOCK
═══════════════════════════════════════════════════ */
.document-preview .signature-block {
    margin-top: 36pt;
    padding-top: 16pt;
    border-top: 2px solid #e2e8f0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20pt;
}
.document-preview .signature-block .sig-field {
    border-bottom: 1px solid #374151;
    padding-bottom: 2pt;
    margin-bottom: 4pt;
    height: 28pt;
}
.document-preview .signature-block .sig-label {
    font-size: 8.5pt;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ═══════════════════════════════════════════════════
   SECTION DIVIDERS  (hr styled by accent)
═══════════════════════════════════════════════════ */
.document-preview hr {
    border: none;
    height: 2px;
    background: linear-gradient(90deg, var(--doc-accent), transparent);
    margin: 18pt 0;
    border-radius: 2px;
}

/* ═══════════════════════════════════════════════════
   BULLET & LIST ACCENT
═══════════════════════════════════════════════════ */
.document-preview ul li::marker { color: var(--doc-accent); font-weight: 700; }
.document-preview ol li::marker { color: var(--doc-accent); font-weight: 700; }