/**
 * Mahābhārata Reader - Component Styles
 * 
 * Styles for the interactive reading interface including:
 * - Reader controls
 * - Verse cards
 * - Parva navigation
 * - Feature cards
 * - Glossary modal
 */

/* ===================================================================
   READER CTA SECTION
=================================================================== */

.reader-cta-section {
    margin-bottom: var(--spacing-3xl);
}

.cta-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, var(--color-card), var(--color-light));
    border: 3px solid var(--color-accent);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.cta-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.cta-icon {
    flex-shrink: 0;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
    border-radius: 50%;
    color: #ffffff;
    font-size: 3rem;
    box-shadow: var(--shadow-md);
}

.cta-content {
    flex: 1;
}

.cta-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.cta-description {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

.reader-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #ffffff;
    border-radius: var(--radius-md);
    font-family: var(--font-ui);
    font-size: 1.125rem;
    font-weight: 700;
    text-decoration: none;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.reader-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: #ffffff;
}

/* ===================================================================
   PARVA GRID
=================================================================== */

.parva-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.parva-card {
    background: var(--color-card);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.parva-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent);
}

.parva-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-light), var(--color-card));
    border-bottom: 2px solid var(--color-border);
}

.parva-number {
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.parva-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
    border-radius: 50%;
    color: #ffffff;
    font-size: 1.25rem;
}

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

.parva-name {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.parva-subtitle {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.parva-description {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text);
}

.parva-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-light);
    border-top: 1px solid var(--color-border);
}

.parva-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--color-primary);
    font-family: var(--font-ui);
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.parva-link:hover {
    color: var(--color-accent);
    gap: var(--spacing-md);
}

/* ===================================================================
   FEATURE GRID
=================================================================== */

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.feature-card {
    background: var(--color-card);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-light);
    border: 3px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-primary);
    font-size: 2rem;
    transition: all var(--transition-base);
}

.feature-icon.primary-feature {
    background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
    border-color: var(--color-accent);
    color: #ffffff;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.feature-card p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.feature-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-primary);
    font-family: var(--font-ui);
    font-weight: 700;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.feature-link:hover {
    color: var(--color-accent);
    gap: var(--spacing-sm);
}

/* ===================================================================
   ABOUT SECTION
=================================================================== */

.about-card {
    background: var(--color-card);
    border: 3px solid var(--color-accent);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

.about-intro {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: var(--spacing-xl);
    font-weight: 500;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.about-feature-item {
    display: flex;
    align-items: start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-light);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-accent);
}

.about-feature-item i {
    flex-shrink: 0;
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-top: 0.25rem;
}

.about-feature-item strong {
    display: block;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.about-feature-item span {
    color: var(--color-text);
}

.epic-quote {
    margin: var(--spacing-2xl) 0;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-light), var(--color-card));
    border-left: 6px solid var(--color-accent);
    border-radius: var(--radius-md);
    position: relative;
}

.quote-icon {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    font-size: 2rem;
    color: var(--color-accent);
    opacity: 0.3;
}

.quote-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-left: var(--spacing-2xl);
    font-style: italic;
}

.quote-text em {
    display: block;
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
}

.quote-source {
    margin-top: var(--spacing-md);
    margin-left: var(--spacing-2xl);
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
}

.about-conclusion {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text);
}

/* ===================================================================
   READER CONTROLS
=================================================================== */

.reader-controls {
    background: var(--color-card);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
}

.controls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

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

.control-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.control-label i {
    color: var(--color-accent);
}

.control-form,
.search-form {
    display: flex;
    gap: var(--spacing-sm);
}

.control-select,
.control-input {
    flex: 1;
    padding: var(--spacing-md);
    background: var(--color-secondary);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-ui);
    font-size: 1rem;
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.control-select:focus,
.control-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.search-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #ffffff;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-ui);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-base);
}

.search-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.quick-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    flex-wrap: wrap;
}

.quick-nav-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-text-muted);
}

.quick-nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.quick-nav-link:hover {
    background: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}

/* ===================================================================
   VERSE CARDS
=================================================================== */

.verse-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.verse-card {
    background: var(--color-card);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.verse-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.verse-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-light), var(--color-card));
    border-bottom: 1px solid var(--color-border);
}

.verse-number {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-primary);
}

.verse-detail-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-accent);
    color: #ffffff;
    border-radius: var(--radius-sm);
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.verse-detail-link:hover {
    background: var(--color-primary);
    color: #ffffff;
}

.verse-text-block {
    padding: var(--spacing-xl);
}

.translation-preview {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-light);
    border-top: 1px solid var(--color-border);
}

.translation-icon {
    flex-shrink: 0;
    color: var(--color-accent);
    font-size: 1.25rem;
    margin-top: 0.25rem;
}

.translation-text {
    flex: 1;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    font-style: italic;
}

.padaccheda-toggle {
    border-top: 1px solid var(--color-border);
}

.padaccheda-toggle summary {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-light);
    cursor: pointer;
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-primary);
    transition: all var(--transition-fast);
}

.padaccheda-toggle summary:hover {
    background: var(--color-hover);
}

.padaccheda-toggle[open] summary {
    background: var(--color-hover);
    border-bottom: 1px solid var(--color-border);
}

.padaccheda-content {
    padding: var(--spacing-lg);
    font-family: var(--font-sanskrit);
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text);
}

/* ===================================================================
   VERSE DETAIL VIEW
=================================================================== */

.verse-detail {
    background: var(--color-card);
    border: 3px solid var(--color-accent);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.verse-header-block {
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-light), var(--color-card));
    border-bottom: 2px solid var(--color-border);
}

.verse-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-ui);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary);
}

.verse-reference {
    font-size: 1.125rem;
}

.verse-content-block {
    padding: var(--spacing-2xl);
}

.verse-section {
    margin-bottom: var(--spacing-2xl);
}

.verse-section:last-child {
    margin-bottom: 0;
}

.verse-section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-border);
}

.verse-section-title i {
    color: var(--color-accent);
}

.sanskrit-section .sanskrit-text {
    font-size: 1.5rem;
}

/* ===================================================================
   VERSE NAVIGATION
=================================================================== */

.verse-navigation {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-light);
    border-top: 2px solid var(--color-border);
}

.verse-nav-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-card);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    font-family: var(--font-ui);
    font-weight: 700;
    text-decoration: none;
    transition: all var(--transition-base);
}

.verse-nav-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #ffffff;
    transform: translateY(-2px);
}

.verse-nav-btn.back {
    background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
    border-color: var(--color-accent);
    color: #ffffff;
}

.verse-nav-btn.back:hover {
    transform: scale(1.05);
}

/* ===================================================================
   GLOSSARY MODAL
=================================================================== */

.gloss-word {
    cursor: pointer;
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
    transition: all var(--transition-fast);
}

.gloss-word:hover {
    background: var(--color-light);
    color: var(--color-primary);
}

.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    margin: 5% auto;
    max-width: 600px;
    background: var(--color-card);
    border: 3px solid var(--color-accent);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-war);
    color: #ffffff;
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.modal-close:hover {
    transform: scale(1.1) rotate(90deg);
}

.modal-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-light), var(--color-card));
    border-bottom: 2px solid var(--color-border);
}

.modal-header i {
    font-size: 1.5rem;
    color: var(--color-accent);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0;
}

.modal-body {
    padding: var(--spacing-xl);
    max-height: 60vh;
    overflow-y: auto;
}

/* ===================================================================
   WELCOME VIEW
=================================================================== */

.welcome-card {
    background: var(--color-card);
    border: 3px solid var(--color-accent);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.welcome-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
    border-radius: 50%;
    color: #ffffff;
    font-size: 4rem;
    box-shadow: var(--shadow-lg);
}

.welcome-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.welcome-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: var(--spacing-xl);
}

.welcome-link {
    color: var(--color-primary);
    font-weight: 700;
    text-decoration: underline;
}

.welcome-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.welcome-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-light);
    border-radius: var(--radius-md);
    font-family: var(--font-ui);
    font-size: 0.95rem;
    color: var(--color-text);
}

.welcome-feature i {
    color: var(--color-accent);
    font-size: 1.5rem;
}

/* ===================================================================
   CHAPTER LIST
=================================================================== */

.chapter-list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.chapter-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--color-card);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-base);
}

.chapter-list-item:hover {
    background: var(--color-light);
    border-color: var(--color-accent);
    transform: translateX(4px);
}

.chapter-number {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-ui);
    font-weight: 700;
    color: var(--color-primary);
}

.chapter-arrow {
    color: var(--color-accent);
}

/* ===================================================================
   NO RESULTS
=================================================================== */

.no-results {
    padding: var(--spacing-3xl);
    text-align: center;
    background: var(--color-card);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
}

.no-results i {
    font-size: 4rem;
    color: var(--color-text-muted);
    opacity: 0.5;
    margin-bottom: var(--spacing-lg);
}

.no-results p {
    font-size: 1.125rem;
    color: var(--color-text-muted);
}

/* ===================================================================
   RESPONSIVE DESIGN
=================================================================== */

@media (max-width: 768px) {
    .cta-card {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-xl);
    }
    
    .cta-icon {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
    }
    
    .parva-grid {
        grid-template-columns: 1fr;
    }
    
    .controls-grid {
        grid-template-columns: 1fr;
    }
    
    .verse-navigation {
        flex-direction: column;
    }
    
    .verse-nav-btn {
        width: 100%;
        justify-content: center;
    }
    
    .welcome-features {
        grid-template-columns: 1fr;
    }
    
    .chapter-list-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

@media (max-width: 480px) {
    .modal-content {
        margin: 10% 1rem;
    }
    
    .verse-detail-link span {
        display: none;
    }
}