/*
Theme Name: Türkiye Kütüphanesi
Theme URI: https://turkiyekutuphanesi.com
Author: Türkiye Kütüphanesi
Description: Ultra premium dijital kütüphane teması. 50 kütüphane, 60.000+ kitap ve dergi.
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: turkiye-kutuphanesi
*/

:root {
  --color-bg: #0a0a0f;
  --color-surface: #111118;
  --color-surface2: #16161f;
  --color-border: #2a2a3a;
  --color-accent: #c9a84c;
  --color-accent-light: #e8c97a;
  --color-accent-glow: rgba(201,168,76,0.15);
  --color-text: #e8e8f0;
  --color-muted: #8888aa;
  --color-danger: #e05555;
  --color-success: #4caf7d;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Nunito', system-ui, sans-serif;
  --radius: 12px;
  --shadow: 0 8px 40px rgba(0,0,0,0.5);
  --shadow-gold: 0 4px 30px rgba(201,168,76,0.2);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--color-accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--color-accent-light); }

img { max-width: 100%; height: auto; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── HEADER ─────────────────────────────────────────── */
#site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,10,15,0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  height: 70px;
  display: flex; align-items: center;
}
#site-header .container {
  display: flex; align-items: center; justify-content: space-between; width: 100%;
}
.site-logo {
  display: flex; align-items: center; gap: 12px;
}
.site-logo .logo-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--color-accent), #8b6914);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.site-logo .logo-text {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
}
.site-logo .logo-sub {
  font-size: 0.65rem;
  color: var(--color-accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  display: block;
  margin-top: -2px;
}

.header-nav { display: flex; align-items: center; gap: 8px; }
.header-nav a {
  color: var(--color-muted);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all .2s;
}
.header-nav a:hover { color: var(--color-text); background: var(--color-surface2); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all .2s;
  border: none;
  font-family: var(--font-sans);
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), #a07820);
  color: #0a0a0f;
  box-shadow: var(--shadow-gold);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
  transform: translateY(-1px);
  color: #0a0a0f;
}
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
}
.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-glow);
}
.btn-ghost { background: transparent; color: var(--color-muted); }
.btn-ghost:hover { color: var(--color-text); background: var(--color-surface2); }

.btn-lg { padding: 14px 32px; font-size: 1rem; border-radius: 12px; }

/* ─── HERO ────────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 70px;
}

.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(201,168,76,0.06) 0%, transparent 60%),
              radial-gradient(ellipse 60% 80% at 80% 80%, rgba(60,40,120,0.08) 0%, transparent 50%);
}

.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(42,42,58,0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42,42,58,0.2) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

.hero-content {
  position: relative; z-index: 2;
  text-align: center;
  max-width: 800px; margin: 0 auto;
  padding: 80px 0;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--color-accent-glow);
  border: 1px solid rgba(201,168,76,0.3);
  color: var(--color-accent);
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 20px;
  color: var(--color-text);
}
.hero-title span {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--color-muted);
  max-width: 580px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-stats {
  display: flex; justify-content: center; gap: 48px;
  margin-bottom: 44px;
  flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-num {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-accent);
  display: block;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ─── FEATURES ────────────────────────────────────────── */
.section { padding: 100px 0; }
.section-label {
  font-size: 0.75rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-weight: 700;
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
}
.section-desc {
  color: var(--color-muted);
  font-size: 1.05rem;
  max-width: 540px;
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 60px;
}
.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all .3s;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0;
  transition: opacity .3s;
}
.feature-card:hover { border-color: rgba(201,168,76,0.3); transform: translateY(-4px); box-shadow: var(--shadow-gold); }
.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 52px; height: 52px;
  background: var(--color-accent-glow);
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
}
.feature-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
}
.feature-desc { color: var(--color-muted); font-size: 0.92rem; line-height: 1.65; }

/* ─── PRICING ─────────────────────────────────────────── */
#pricing { background: var(--color-surface); }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 60px;
  max-width: 960px; margin-left: auto; margin-right: auto;
}
.pricing-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 36px 32px;
  text-align: center;
  position: relative;
  transition: all .3s;
}
.pricing-card.featured {
  border-color: var(--color-accent);
  background: linear-gradient(160deg, #16161f 0%, #1a1608 100%);
  transform: scale(1.04);
  box-shadow: var(--shadow-gold), 0 0 0 1px rgba(201,168,76,0.2);
}
.pricing-badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--color-accent), #a07820);
  color: #0a0a0f;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: 100px;
}
.pricing-name {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--color-text);
  margin-bottom: 8px;
}
.pricing-price {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin: 20px 0 4px;
}
.pricing-price .currency { font-size: 1.4rem; vertical-align: super; margin-right: 2px; }
.pricing-period { color: var(--color-muted); font-size: 0.85rem; margin-bottom: 28px; }
.pricing-features { list-style: none; margin-bottom: 32px; text-align: left; }
.pricing-features li {
  color: var(--color-muted);
  font-size: 0.9rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
  display: flex; align-items: center; gap: 10px;
}
.pricing-features li:last-child { border-bottom: none; }
.pricing-features li .check { color: var(--color-accent); font-size: 1rem; }

/* ─── BOOKS GRID ──────────────────────────────────────── */
.books-section { padding: 80px 0; }

.books-search-bar {
  display: flex; gap: 12px; align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 6px 6px 6px 20px;
  margin-bottom: 32px;
  max-width: 700px;
}
.books-search-bar input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--color-text);
  font-size: 1rem;
  font-family: var(--font-sans);
}
.books-search-bar input::placeholder { color: var(--color-muted); }

.filter-tabs {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px;
}
.filter-tab {
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid var(--color-border);
  background: transparent;
  color: var(--color-muted);
  font-family: var(--font-sans);
  transition: all .2s;
}
.filter-tab:hover, .filter-tab.active {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-glow);
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 20px;
}

.book-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all .25s;
  cursor: pointer;
}
.book-card:hover { border-color: rgba(201,168,76,0.4); transform: translateY(-6px); box-shadow: 0 20px 40px rgba(0,0,0,0.4); }

.book-cover {
  width: 100%; aspect-ratio: 2/3;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.book-info { padding: 14px; }
.book-title { font-size: 0.82rem; font-weight: 600; color: var(--color-text); line-height: 1.4; margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.book-lib { font-size: 0.72rem; color: var(--color-accent); }
.book-size { font-size: 0.7rem; color: var(--color-muted); margin-top: 4px; }

/* ─── MEMBERSHIP DASHBOARD ────────────────────────────── */
.dashboard { padding: 100px 0 60px; }
.dashboard-grid { display: grid; grid-template-columns: 280px 1fr; gap: 30px; }
.dash-sidebar {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 28px;
  height: fit-content;
  position: sticky; top: 90px;
}
.dash-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), #6b4a00);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; color: #fff;
  margin: 0 auto 16px;
}
.dash-user-name { text-align: center; font-weight: 700; font-size: 1.1rem; margin-bottom: 4px; }
.dash-user-email { text-align: center; font-size: 0.82rem; color: var(--color-muted); margin-bottom: 24px; }
.dash-nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 14px;
  border-radius: 10px;
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-bottom: 4px;
  transition: all .2s;
}
.dash-nav a:hover, .dash-nav a.active { background: var(--color-surface2); color: var(--color-text); }
.dash-nav a.active { color: var(--color-accent); }

.membership-card {
  background: linear-gradient(135deg, #1a1608, #16161f);
  border: 1px solid var(--color-accent);
  border-radius: 16px;
  padding: 28px;
  margin-bottom: 24px;
}
.membership-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--color-accent-glow);
  color: var(--color-accent);
  border: 1px solid rgba(201,168,76,0.3);
  padding: 5px 14px;
  border-radius: 100px;
  font-size: 0.78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
  margin-bottom: 16px;
}
.membership-dates { display: flex; gap: 24px; }
.date-item .label { font-size: 0.72rem; color: var(--color-muted); text-transform: uppercase; letter-spacing: 1px; }
.date-item .value { font-size: 1rem; font-weight: 600; color: var(--color-text); margin-top: 2px; }

.progress-bar {
  background: var(--color-border);
  height: 6px;
  border-radius: 100px;
  margin: 20px 0 10px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  border-radius: 100px;
  transition: width 1s ease;
}

.expiry-warning {
  background: rgba(224,85,85,0.1);
  border: 1px solid rgba(224,85,85,0.3);
  border-radius: 10px;
  padding: 14px 18px;
  display: flex; align-items: center; gap: 12px;
  color: #e08585;
  font-size: 0.88rem;
  margin-bottom: 20px;
}

/* ─── READER ──────────────────────────────────────────── */
.reader-wrapper {
  background: var(--color-bg);
  min-height: 100vh;
  padding-top: 70px;
}
.reader-toolbar {
  position: fixed; top: 70px; left: 0; right: 0; z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 24px;
  display: flex; align-items: center; gap: 16px;
}
.reader-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-text);
  flex: 1;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
#pdf-viewer {
  width: 100%; height: calc(100vh - 120px);
  border: none;
}

/* ─── LOCKED OVERLAY ──────────────────────────────────── */
.locked-overlay {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(10,10,15,0.95);
  backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; text-align: center;
  padding: 40px;
}
.locked-overlay .lock-icon {
  width: 80px; height: 80px;
  background: var(--color-accent-glow);
  border: 2px solid rgba(201,168,76,0.3);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 36px; margin-bottom: 24px;
}
.locked-overlay h2 {
  font-family: var(--font-serif);
  font-size: 2rem; margin-bottom: 12px;
}
.locked-overlay p {
  color: var(--color-muted); max-width: 420px;
  margin-bottom: 32px; line-height: 1.7;
}
.locked-pricing { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 28px; }
.locked-plan {
  border: 1.5px solid var(--color-border);
  border-radius: 12px;
  padding: 20px 24px;
  text-align: center;
  cursor: pointer;
  transition: all .2s;
  min-width: 140px;
}
.locked-plan.best { border-color: var(--color-accent); background: var(--color-accent-glow); }
.locked-plan:hover { border-color: var(--color-accent); transform: translateY(-3px); }
.locked-plan .plan-price { font-size: 1.6rem; font-weight: 700; color: var(--color-accent); font-family: var(--font-serif); }
.locked-plan .plan-name { font-size: 0.78rem; color: var(--color-muted); margin-top: 4px; text-transform: uppercase; letter-spacing: 1px; }

/* ─── FOOTER ──────────────────────────────────────────── */
#site-footer {
  border-top: 1px solid var(--color-border);
  padding: 60px 0 30px;
  background: var(--color-surface);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 50px; }
.footer-brand .brand-desc { color: var(--color-muted); font-size: 0.9rem; line-height: 1.7; margin-top: 14px; max-width: 280px; }
.footer-col h4 { color: var(--color-text); font-size: 0.9rem; font-weight: 700; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 1px; }
.footer-col a { display: block; color: var(--color-muted); font-size: 0.88rem; margin-bottom: 10px; transition: color .2s; }
.footer-col a:hover { color: var(--color-accent); }
.footer-bottom { border-top: 1px solid var(--color-border); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; color: var(--color-muted); font-size: 0.82rem; }

/* ─── FORMS ───────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--color-muted); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.5px; }
.form-input {
  width: 100%;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: 10px;
  padding: 13px 16px;
  color: var(--color-text);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color .2s;
}
.form-input:focus { border-color: var(--color-accent); }
.form-input::placeholder { color: var(--color-muted); }

/* ─── ALERTS ──────────────────────────────────────────── */
.alert {
  padding: 14px 18px;
  border-radius: 10px;
  display: flex; align-items: center; gap: 10px;
  font-size: 0.9rem;
  margin-bottom: 16px;
}
.alert-warning { background: rgba(224,168,0,0.1); border: 1px solid rgba(224,168,0,0.3); color: #e0a800; }
.alert-success { background: rgba(76,175,125,0.1); border: 1px solid rgba(76,175,125,0.3); color: var(--color-success); }
.alert-danger { background: rgba(224,85,85,0.1); border: 1px solid rgba(224,85,85,0.3); color: var(--color-danger); }

/* ─── LOGIN / REGISTER ────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 100px 20px 40px;
}
.auth-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 48px;
  width: 100%; max-width: 480px;
  box-shadow: var(--shadow);
}
.auth-logo {
  text-align: center; margin-bottom: 32px;
}
.auth-title { font-family: var(--font-serif); font-size: 1.8rem; text-align: center; margin-bottom: 6px; }
.auth-sub { color: var(--color-muted); font-size: 0.9rem; text-align: center; margin-bottom: 32px; }

.divider { display: flex; align-items: center; gap: 14px; margin: 24px 0; }
.divider::before, .divider::after { content: ''; flex: 1; height: 1px; background: var(--color-border); }
.divider span { color: var(--color-muted); font-size: 0.8rem; }

/* ─── RESPONSIVE ──────────────────────────────────────── */
@media (max-width: 900px) {
  .dashboard-grid { grid-template-columns: 1fr; }
  .dash-sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { gap: 24px; }
  .pricing-card.featured { transform: none; }
}
@media (max-width: 600px) {
  .header-nav .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .books-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-actions { flex-direction: column; align-items: center; }
  .auth-card { padding: 28px 20px; }
}

/* ─── ANIMATIONS ──────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-up { animation: fadeInUp .6s ease forwards; }
.delay-1 { animation-delay: .1s; opacity: 0; }
.delay-2 { animation-delay: .2s; opacity: 0; }
.delay-3 { animation-delay: .3s; opacity: 0; }
.delay-4 { animation-delay: .4s; opacity: 0; }

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.skeleton {
  background: linear-gradient(90deg, var(--color-surface) 25%, var(--color-surface2) 50%, var(--color-surface) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}

/* ─── SCROLLBAR ───────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 100px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-accent); }

/* ─── NOTICE BAR ──────────────────────────────────────── */
.notice-bar {
  background: linear-gradient(90deg, #1a1608, #16161f, #1a1608);
  border-bottom: 1px solid rgba(201,168,76,0.2);
  padding: 10px 0;
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-accent);
}
.notice-bar strong { color: var(--color-accent-light); }