/* Scholar Theme - Dark Academic Luxury */

:root {
    --color-primary: #C9A55C;
    --color-primary-light: #D4B76A;
    --color-secondary: #6B2737;
    --color-bg: #0A0A0A;
    --color-bg-alt: #1C1C1C;
    --color-text: #F5F2EB;
    --color-text-muted: #9A8F80;
    --color-accent: #C9A55C;
    --color-danger: #6B2737;
    --color-danger-light: #8B3A4D;
    --color-success: #4A7C4E;
    --color-border: #3D2B1F;
    --color-card-bg: #2A2A2C;

    --font-display: 'Cormorant Garamond', serif;
    --font-body: 'Lora', serif;
}

* {
    font-family: var(--font-body);
}

.font-display {
    font-family: var(--font-display);
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
}

/* Subtle grain texture */
.grain::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.03;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%' height='100%' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Gold gradient text */
.text-gold-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 50%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Refined hover effects */
.hover-gold {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-gold:hover {
    color: var(--color-primary);
}

/* Luxury button - outline */
.btn-luxury {
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-display);
    font-size: 0.875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.btn-luxury:hover {
    background: var(--color-primary);
    color: var(--color-bg);
}

/* Luxury button - filled */
.btn-luxury-filled {
    background: var(--color-primary);
    border: 1px solid var(--color-primary);
    color: var(--color-bg);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-display);
    font-size: 0.875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.btn-luxury-filled:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary-light);
}

/* Burgundy button */
.btn-burgundy {
    background: linear-gradient(135deg, var(--color-danger), var(--color-danger-light));
    border: 1px solid var(--color-danger);
    color: var(--color-text);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-display);
    font-size: 0.875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.btn-burgundy:hover {
    box-shadow: 0 8px 25px rgba(107, 39, 55, 0.4);
    transform: translateY(-2px);
}

/* Aged paper card */
.aged-paper {
    background: linear-gradient(145deg, var(--color-text) 0%, #E8DCC4 100%);
    color: var(--color-border);
    position: relative;
}

.aged-paper::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='grain'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23grain)'/%3E%3C/svg%3E");
    opacity: 0.06;
    pointer-events: none;
    border-radius: inherit;
}

/* Ink border for cards */
.ink-border {
    border: 2px solid var(--color-border);
    box-shadow: inset 0 0 20px rgba(61, 43, 31, 0.1), 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Scholar card hover */
.scholar-card {
    transition: all 0.4s ease;
}

.scholar-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

/* Card title with hover */
.card-title {
    color: var(--color-text);
}

.group:hover .card-title {
    color: var(--color-primary);
}

/* Dark card */
.dark-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
}

/* Card hover effect */
.card-hover:hover {
    background: rgba(255, 255, 255, 0.03);
}

/* Success indicator subtle background */
.success-bg-subtle {
    background: rgba(74, 124, 78, 0.2);
}

/* Upload dropzone */
.upload-dropzone {
    border-color: var(--color-border);
}

.upload-dropzone:hover,
.upload-dropzone.dropzone-active {
    border-color: var(--color-primary);
}

/* Handwritten style */
.handwritten {
    font-style: italic;
    font-weight: 400;
}

/* Link style */
.link-muted {
    color: var(--color-text-muted);
}

.link-muted:hover {
    color: var(--color-primary);
}

/* Confidence badges - !important needed to override Tailwind CDN preflight */
.confidence-high {
    background: rgba(201, 165, 92, 0.2) !important;
    color: #C9A55C !important;
    border: 1px solid #C9A55C !important;
}

.confidence-medium {
    background: rgba(154, 143, 128, 0.2) !important;
    color: #9A8F80 !important;
    border: 1px solid #9A8F80 !important;
}

.confidence-low {
    background: rgba(107, 39, 55, 0.2) !important;
    color: #6B2737 !important;
    border: 1px solid #6B2737 !important;
}

/* Series badge - !important needed to override Tailwind CDN preflight */
.series-badge {
    background: rgba(147, 112, 219, 0.2) !important;
    color: #9370DB !important;
    border: 1px solid #9370DB !important;
}

/* Primary link */
.link-primary {
    color: var(--color-primary);
}

.link-primary:hover {
    color: var(--color-primary-light);
}

/* Cover ring */
.cover-ring {
    box-shadow: 0 0 0 1px rgba(201, 165, 92, 0.2);
}

/* Star rating */
.star-active {
    color: var(--color-primary);
}

.star-inactive {
    color: var(--color-border);
}

.star-inactive:hover {
    color: var(--color-primary);
}

/* Member avatar */
.member-avatar {
    background: var(--color-border);
    border: 1px solid rgba(201, 165, 92, 0.3);
}

/* Role badges */
.role-badge-owner {
    background: rgba(201, 165, 92, 0.2);
    color: #C9A55C;
    border: 1px solid rgba(201, 165, 92, 0.5);
}

.role-badge-admin {
    background: rgba(107, 39, 55, 0.2);
    color: #8B3A4D;
    border: 1px solid rgba(107, 39, 55, 0.5);
}

.role-badge-member {
    background: rgba(154, 143, 128, 0.2);
    color: #9A8F80;
    border: 1px solid rgba(154, 143, 128, 0.5);
}

.role-badge-viewer {
    background: rgba(61, 43, 31, 0.3);
    color: #9A8F80;
    border: 1px solid #3D2B1F;
}

/* Danger link */
.link-danger {
    color: var(--color-danger);
}

.link-danger:hover {
    color: var(--color-danger-light);
}

/* Ornamental rule */
.ornamental-rule {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.ornamental-rule::before,
.ornamental-rule::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

/* Form inputs - dark theme */
.input-dark {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    transition: all 0.3s ease;
    border-radius: 0.375rem;
}

.input-dark:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(201, 165, 92, 0.2);
}

.input-dark::placeholder {
    color: var(--color-text-muted);
}

/* Form inputs - light theme (aged paper) */
.input-light {
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid var(--color-border);
    color: var(--color-border);
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    transition: all 0.3s ease;
    border-radius: 0.375rem;
}

.input-light:focus {
    outline: none;
    border-color: var(--color-danger);
    box-shadow: 0 0 0 2px rgba(107, 39, 55, 0.2);
}

.input-light::placeholder {
    color: var(--color-text-muted);
}

/* Labels */
.label-dark {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-family: var(--font-display);
}

.label-light {
    color: var(--color-border);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-family: var(--font-display);
}

/* Alert boxes */
.alert-error {
    background: rgba(107, 39, 55, 0.2);
    border: 1px solid var(--color-danger);
    color: var(--color-text);
    padding: 1rem;
    border-radius: 0.375rem;
}

.alert-success {
    background: rgba(201, 165, 92, 0.2);
    border: 1px solid var(--color-primary);
    color: var(--color-text);
    padding: 1rem;
    border-radius: 0.375rem;
}

.alert-info {
    background: rgba(154, 143, 128, 0.2);
    border: 1px solid var(--color-text-muted);
    color: var(--color-text);
    padding: 1rem;
    border-radius: 0.375rem;
}

/* Hero section elements */
.hero-line {
    background: linear-gradient(to bottom, transparent, var(--color-primary), transparent);
}

.candle-glow {
    background: radial-gradient(circle, rgba(201, 165, 92, 0.08) 0%, transparent 70%);
}

.hero-fade-bottom {
    background: linear-gradient(to top, var(--color-bg), transparent);
}

/* Separator */
.separator {
    width: 1px;
    height: 80px;
    background: linear-gradient(to bottom, transparent, var(--color-primary), transparent);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Candle glow animation */
@keyframes flicker {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.85; }
    75% { opacity: 0.95; }
}

.candle-glow {
    animation: flicker 3s ease-in-out infinite;
}

/* Book cover placeholder */
.book-cover-placeholder {
    background: linear-gradient(135deg, var(--color-danger) 0%, var(--color-danger-light) 100%);
}

/* Navigation styles for Scholar theme */
.nav-link-scholar {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: color 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link-scholar:hover {
    color: var(--color-primary);
}

.nav-link-scholar-active {
    color: var(--color-primary);
}

/* Rotated segment image container
 * Displays horizontal shelf segments rotated 90° CCW
 * so book spines appear upright for easier reading.
 * Images stored unrotated (for AI), displayed rotated (for users).
 * Wrapper dimensions are set by JavaScript on image load.
 */
.segment-rotated-wrapper {
    position: relative;
    flex-shrink: 0;
    /* Constrain width to leave room for suggestions */
    max-width: 20rem;
    overflow: hidden;
}

/* Larger rotated images on desktop for better readability */
@media (min-width: 768px) {
    .segment-rotated-wrapper {
        max-width: 28rem;
    }
}

@media (min-width: 1024px) {
    .segment-rotated-wrapper {
        max-width: 32rem;
    }
}

/* Scrollable container for the rotated segment image */
.segment-image-container {
    flex-shrink: 0;
    overflow: auto;
    /* Subtle scrollbar styling */
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}

.segment-image-container::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.segment-image-container::-webkit-scrollbar-track {
    background: transparent;
}

.segment-image-container::-webkit-scrollbar-thumb {
    background-color: var(--color-border);
    border-radius: 3px;
}

.segment-rotated-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    transform-origin: top left;
    transform: rotate(-90deg) translateX(-100%);
    /* Scale image to fit within constrained wrapper */
    max-width: none;
}

.segment-rotated-wrapper .segment-label {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    z-index: 10;
}

/* Toast notification animations */
.toast-visible {
    transform: translateX(0) !important;
    opacity: 1 !important;
}

/* Badge pulse animation */
@keyframes badge-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

.badge-pulse {
    animation: badge-pulse 0.3s ease-out;
}