/* ===================================================================
   Inscription Display Styles - The Prakrit Blog
   For interactive multi-script epigraphic texts
   =================================================================== */

/* ===== CSS Variables (inherited from main theme) ===== */
:root {
    --primary: #8B4513;
    --primary-dark: #654321;
    --secondary: #D4A574;
    --secondary-dark: #B8860B;
    --paper-light: #FEF6E4;
    --paper: #F8F0E3;
    --paper-dark: #E8D8C3;
    --white: #FFFFFF;
    --text-primary: #2C1810;
    --text-secondary: #5C4033;
    --text-light: #8B7355;
    --border-light: #D4C4B0;

    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-xxl: 3rem;

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 20px rgba(0, 0, 0, 0.12);

    --transition-smooth: all 0.3s ease;
}

/* ===== Font Faces ===== */
@font-face {
    font-family: 'Segoe UI Historic';
    src: url('../css/fonts/SEGUIHIS.woff2') format('woff2');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* ===== Page Header ===== */
.inscription-header {
    background: linear-gradient(135deg, var(--paper-light) 0%, var(--white) 100%);
    border-bottom: 3px solid var(--primary);
    padding: var(--space-xxl) 0;
    text-align: center;
}

.inscription-header h1 {
    font-family: 'Adishila', 'EB Garamond', serif;
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: var(--space-md);
}

.inscription-header .subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* ===== Control Panel ===== */
.inscription-controls {
    background: var(--white);
    padding: var(--space-xl);
    margin: var(--space-xl) 0;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-light);
}

.inscription-controls h3 {
    color: var(--primary);
    font-size: 1.2rem;
    margin-bottom: var(--space-md);
    font-weight: 600;
}

/* Script Toggle Buttons */
.script-toggle {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.script-btn {
    flex: 1;
    min-width: 150px;
    padding: var(--space-md) var(--space-lg);
    background: var(--paper-light);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: var(--transition-smooth);
    text-align: center;
}

.script-btn:hover {
    background: var(--paper);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.script-btn.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

.script-btn:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Display Options */
.display-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-secondary);
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-smooth);
}

.toggle-label:hover {
    background: var(--paper-light);
}

.toggle-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary);
}

/* ===== Inscription Display ===== */
.inscription-content {
    padding: var(--space-xl) 0 var(--space-xxl) 0;
}

.inscription-container {
    background: var(--paper-light);
    padding: var(--space-xl);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.inscription-line {
    margin-bottom: var(--space-lg);
    padding: var(--space-md) var(--space-lg);
    background: var(--white);
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-sm);
    line-height: 2;
    transition: var(--transition-smooth);
}

.inscription-line:hover {
    background: var(--paper-light);
    border-left-width: 6px;
    box-shadow: var(--shadow-sm);
}

/* Line Numbers */
.line-number {
    display: inline-block;
    color: var(--primary);
    font-weight: 700;
    font-size: 0.9rem;
    margin-right: var(--space-md);
    min-width: 30px;
    font-family: 'EB Garamond', serif;
}

/* Script-specific Fonts */
.devanagari {
    font-family: 'Adishila', 'Noto Sans Devanagari', serif;
    font-size: 1.3rem;
    line-height: 2.2;
}

.brahmi {
    font-family: 'Segoe UI Historic', 'Noto Sans Brahmi', serif;
    font-size: 1.4rem;
    line-height: 2.2;
}

.roman {
    font-family: 'Gandhari', 'EB Garamond', serif;
    font-size: 1.2rem;
    line-height: 2;
}

/* Editorial Additions */
.editorial {
    color: var(--secondary-dark);
    font-style: italic;
}

/* Incomplete/Damaged Text */
.incomplete-text {
    color: var(--text-light);
    font-style: italic;
    letter-spacing: 0.1em;
}

/* Sentence Boundaries - always visible */
.sentence-boundary {
    color: var(--text-light);
    font-weight: normal;
}

/* Hidden State */
.hidden {
    display: none !important;
}

/* ===== Paragraph View ===== */
.inscription-container.paragraph-view {
    background: var(--white);
    padding: var(--space-xl);
}

.inscription-container.paragraph-view .inscription-line {
    display: inline;
    margin-bottom: 0;
    padding: 0;
    border-left: none;
    background: transparent;
    line-height: 2;
}

.inscription-container.paragraph-view .inscription-line:hover {
    background: transparent;
    border-left-width: 0;
    box-shadow: none;
}

.inscription-container.paragraph-view .inscription-line::after {
    content: ' ';
}

/* ===== Comparison View ===== */
.comparison-mode .inscription-container {
    background: var(--white);
    padding: var(--space-md);
}

.comparison-mode .line-number {
    grid-column: 1;
    margin-right: 0;
}

.comparison-mode .devanagari,
.comparison-mode .brahmi,
.comparison-mode .roman {
    display: block !important;
}

.comparison-mode .script-content {
    padding: var(--space-sm);
    background: var(--paper-light);
    border-radius: var(--radius-sm);
}

/* ===== Historical Context Section ===== */
.context-section {
    margin-top: var(--space-xxl);
    padding: var(--space-xl);
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-light);
}

.context-section h2 {
    color: var(--primary);
    font-family: 'Adishila', 'EB Garamond', serif;
    font-size: 1.8rem;
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    cursor: pointer;
    user-select: none;
}

.context-toggle {
    margin-left: auto;
    font-size: 1.2rem;
    transition: var(--transition-smooth);
}

.context-toggle.collapsed {
    transform: rotate(-90deg);
}

.context-content {
    max-height: 2000px;
    overflow: hidden;
    transition: max-height 0.5s ease, opacity 0.3s ease;
    opacity: 1;
}

.context-content.collapsed {
    max-height: 0;
    opacity: 0;
}

.context-content h3 {
    color: var(--secondary-dark);
    font-size: 1.3rem;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.context-content p {
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.bibliography-list {
    list-style: none;
    padding-left: 0;
}

.bibliography-list li {
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
}

.bibliography-list li:last-child {
    border-bottom: none;
}

/* ===== Mobile Responsive ===== */
@media (max-width: 768px) {
    .inscription-header h1 {
        font-size: 2rem;
    }

    .inscription-header .subtitle {
        font-size: 1rem;
    }

    .inscription-controls {
        padding: var(--space-lg);
    }

    .script-toggle {
        flex-direction: column;
    }

    .script-btn {
        min-width: 100%;
    }

    .inscription-container {
        padding: var(--space-md);
    }

    .inscription-line {
        padding: var(--space-md);
        font-size: 0.95rem;
    }

    .devanagari {
        font-size: 1.1rem;
        line-height: 2;
    }

    .brahmi {
        font-size: 1.2rem;
        line-height: 2;
    }

    .roman {
        font-size: 1rem;
        line-height: 1.8;
    }

    .line-number {
        font-size: 0.85rem;
        min-width: 25px;
    }

    /* Comparison view stacks vertically on mobile */
    .comparison-mode .inscription-line {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .comparison-mode .line-number {
        margin-bottom: var(--space-sm);
    }

    /* Paragraph view on mobile */
    .inscription-container.paragraph-view {
        padding: var(--space-md);
    }

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

@media (max-width: 480px) {
    .inscription-header {
        padding: var(--space-xl) var(--space-md);
    }

    .inscription-header h1 {
        font-size: 1.5rem;
    }

    .inscription-controls {
        padding: var(--space-md);
    }

    .inscription-controls h3 {
        font-size: 1rem;
    }

    .devanagari {
        font-size: 1rem;
    }

    .brahmi {
        font-size: 1.1rem;
    }

    .roman {
        font-size: 0.95rem;
    }

    .context-section {
        padding: var(--space-md);
    }

    .context-section h2 {
        font-size: 1.4rem;
    }
}

/* ===== Print Styles ===== */
@media print {
    .inscription-controls,
    .context-toggle {
        display: none;
    }

    .context-content {
        max-height: none !important;
        opacity: 1 !important;
    }

    .inscription-line {
        page-break-inside: avoid;
    }
}

/* ===== Accessibility ===== */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus indicators for keyboard navigation */
*:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
}

/* Reduced motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}