/* SIGHBRARY - SHARED STYLES */

:root {
    /* Colors */
    --bg-dark: #1A1714;
    --bg-warm: #231F1B;
    --bg-card: #2A2521;
    --bg-input: #1E1B18;
    --amber: #D4A853;
    --amber-dim: #B8923F;
    --amber-glow: rgba(212, 168, 83, 0.15);
    --cream: #F5EFE6;
    --cream-muted: rgba(245, 239, 230, 0.7);
    --cream-faint: rgba(245, 239, 230, 0.4);
    --cream-ghost: rgba(245, 239, 230, 0.1);
    --burgundy: #8B3A3A;
    --success: #5D8B5A;
    --error: #8B3A3A;
    --border: rgba(212, 168, 83, 0.08);
    --border-hover: rgba(212, 168, 83, 0.2);

    /* Typography */
    --font-serif: 'EB Garamond', Georgia, serif;
    --font-body: 'Crimson Pro', Georgia, serif;
    --font-sans: 'Work Sans', -apple-system, sans-serif;
}

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

body {
    font-family: var(--font-sans);
    background: var(--bg-dark);
    color: var(--cream);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* Ambient light effect */
.ambient-light {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 20% 20%, rgba(212, 168, 83, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(139, 58, 58, 0.03) 0%, transparent 50%);
}

/* Paper texture overlay */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    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%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.015;
    pointer-events: none;
    z-index: 1000;
}

/* Navigation */
nav {
    position: sticky;
    top: 0;
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--cream);
    text-decoration: none;
    letter-spacing: 0.02em;
}

.nav-links {
    display: flex;
    gap: 25px;
    align-items: center;
    list-style: none;
}

.nav-link {
    font-size: 0.8rem;
    color: var(--cream-faint);
    text-decoration: none;
    font-weight: 400;
    letter-spacing: 0.05em;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active { color: var(--amber); }

/* Rhythm/Timepiece display */
.rhythm-center {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 15px 0;
    font-size: 0.8rem;
    color: var(--cream-faint);
}

.moon-icon { font-size: 1.1rem; }
.rhythm-divider { color: var(--border); }
.rhythm-text { color: var(--cream-faint); }

/* Buttons */
.btn-primary {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 1rem 2rem;
    background: transparent;
    color: var(--amber);
    border: 1px solid var(--amber);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

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

.btn-secondary {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    padding: 0.8rem 1.5rem;
    background: transparent;
    color: var(--cream-faint);
    border: 1px solid var(--cream-ghost);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-secondary:hover {
    border-color: var(--cream-faint);
    color: var(--cream);
}

.btn-small {
    font-size: 0.7rem;
    padding: 0.6rem 1.2rem;
}

/* Form elements */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--cream-faint);
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--cream);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--amber-dim);
}

.form-input::placeholder {
    color: var(--cream-faint);
    font-style: italic;
}

textarea.form-input {
    min-height: 120px;
    resize: vertical;
    line-height: 1.8;
}

select.form-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23B8923F' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2rem;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--border-hover);
}

.card-title {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--cream);
    margin-bottom: 0.5rem;
}

.card-subtitle {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-style: italic;
    color: var(--cream-faint);
}

/* Section headers */
.section-label {
    font-family: var(--font-sans);
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--amber-dim);
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 400;
    color: var(--cream);
    margin-bottom: 2rem;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 30px;
}

.container-narrow {
    max-width: 600px;
    margin: 0 auto;
    padding: 40px 30px;
}

/* Grid layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

/* Visibility toggles (sun/moon) */
.visibility-toggle {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.visibility-toggle label {
    font-size: 0.8rem;
    color: var(--cream-faint);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.visibility-toggle input[type="radio"] {
    display: none;
}

.visibility-toggle input[type="radio"]:checked + label {
    color: var(--amber);
}

/* Status badges */
.status-badge {
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.3rem 0.6rem;
    border-radius: 2px;
}

.status-want { background: var(--cream-ghost); color: var(--cream-faint); }
.status-reading, .status-watching { background: var(--amber-glow); color: var(--amber); }
.status-finished { background: rgba(93, 139, 90, 0.2); color: var(--success); }
.status-abandoned { background: rgba(139, 58, 58, 0.2); color: var(--burgundy); }

/* Media type indicators */
.media-type-indicator {
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--amber-dim);
}

/* Rating display */
.rating {
    color: var(--amber);
    font-size: 0.9rem;
    letter-spacing: 2px;
}

.rating-input {
    display: flex;
    gap: 0.5rem;
}

.rating-input button {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0.3;
    transition: opacity 0.2s ease;
}

.rating-input button:hover,
.rating-input button.active {
    opacity: 1;
}

/* Empty states */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-state p {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-style: italic;
    color: var(--cream-faint);
    margin-bottom: 2rem;
}

/* Loading state */
.loading {
    text-align: center;
    padding: 4rem 2rem;
    font-family: var(--font-body);
    font-style: italic;
    color: var(--cream-faint);
}

/* Linked account badges */
.badge-moon {
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-left: 6px;
    vertical-align: middle;
    animation: sparkle 2s ease-in-out infinite;
}

.badge-book {
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-left: 6px;
    vertical-align: middle;
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { opacity: 1; filter: brightness(1); }
    50% { opacity: 0.7; filter: brightness(1.3); }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-10px); }
    to { opacity: 1; transform: translateX(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

/* Responsive */
@media (max-width: 900px) {
    .grid-3 { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .nav-inner { flex-direction: column; gap: 15px; padding: 15px 20px; }
    .nav-links { flex-wrap: wrap; justify-content: center; gap: 12px; }
}

@media (max-width: 600px) {
    .grid-2 { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: 1fr; }
    .container, .container-narrow { padding: 30px 20px; }
}

/* Page Guide Toggle */
.guide-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    color: var(--cream-faint);
    cursor: pointer;
    margin-bottom: 20px;
    font-family: var(--font-body);
    font-style: italic;
}

.guide-toggle:hover {
    color: var(--cream-muted);
}

.guide-icon {
    transition: transform 0.3s ease;
}

.guide-toggle.open .guide-icon {
    transform: rotate(90deg);
}

.guide-content {
    display: none !important;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 1.5rem;
    margin-bottom: 2rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--cream-muted);
    line-height: 1.8;
    font-style: italic;
}

.guide-content.open {
    display: block !important;
}

.guide-content p {
    margin-bottom: 0.8rem;
}

.guide-content p:last-child {
    margin-bottom: 0;
}

.guide-content strong {
    color: var(--amber);
    font-weight: normal;
}