/* ============================================================
   BLACK BOOKS KİTABEVİ — ORTAK TEMA
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=Cinzel:wght@400;600&display=swap');

/* ---------- TOKENS ---------- */
:root {
  --bb-black:    #080604;
  --bb-deep:     #0f0d0a;
  --bb-card:     #131109;
  --bb-surface:  #1a1712;
  --bb-border:   #2e2a22;
  --bb-border2:  #3d3828;
  --bb-gold:     #c9a84c;
  --bb-gold-lt:  #e3c46c;
  --bb-gold-dim: rgba(201,168,76,0.18);
  --bb-cream:    #f0e8d6;
  --bb-muted:    #7a6e5c;
  --bb-red:      #8b1a1a;
  --bb-green:    #2a5c3a;
  --font-display:'Cinzel', Georgia, serif;
  --font-body:   'Cormorant Garamond', Georgia, serif;
  --radius:      4px;
  --transition:  0.25s ease;
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background-color: var(--bb-black);
  color: var(--bb-cream);
  min-height: 100vh;
  font-size: 16px;
  line-height: 1.6;
}

/* ---------- GRAIN ---------- */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.045'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 9990; opacity: 0.4;
}

/* ---------- TOPNAV ---------- */
.bb-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 9000;
  background: rgba(8,6,4,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--bb-border);
  height: 60px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px;
}
.bb-nav-brand {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--bb-cream);
}
.bb-nav-brand img { height: 36px; width: 36px; border-radius: 50%; object-fit: cover; }
.bb-nav-brand-name {
  font-family: var(--font-display);
  font-size: 0.85rem; letter-spacing: 0.15em;
  color: var(--bb-gold);
}
.bb-nav-links {
  display: flex; align-items: center; gap: 6px;
}
.bb-nav-link {
  font-family: var(--font-display);
  font-size: 0.6rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--bb-muted); text-decoration: none;
  padding: 6px 10px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
}
.bb-nav-link:hover, .bb-nav-link.active {
  color: var(--bb-gold); border-color: var(--bb-border2);
}
.bb-nav-auth {
  display: flex; align-items: center; gap: 8px;
}
.bb-nav-user {
  font-size: 0.78rem; color: var(--bb-muted); font-style: italic;
}
.bb-nav-hamburger {
  display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px;
  background: none; border: none;
}
.bb-nav-hamburger span {
  display: block; width: 22px; height: 1px; background: var(--bb-gold);
  transition: var(--transition);
}
.bb-nav-mobile {
  display: none;
  position: fixed; top: 60px; left: 0; right: 0;
  background: var(--bb-deep);
  border-bottom: 1px solid var(--bb-border);
  padding: 16px 24px; z-index: 8999;
  flex-direction: column; gap: 4px;
}
.bb-nav-mobile.open { display: flex; }
.bb-nav-mobile .bb-nav-link { font-size: 0.7rem; padding: 10px 8px; }

@media (max-width: 768px) {
  .bb-nav-links { display: none; }
  .bb-nav-hamburger { display: flex; }
}

/* ---------- PAGE WRAPPER ---------- */
.bb-page {
  padding-top: 60px;
  min-height: 100vh;
}

/* ---------- SECTION / CONTAINER ---------- */
.bb-container {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
}
.bb-section {
  padding: 60px 24px;
  max-width: 1100px; margin: 0 auto;
}

/* ---------- HEADINGS ---------- */
.bb-page-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 3rem);
  font-weight: 400; letter-spacing: 0.08em;
  color: var(--bb-cream);
}
.bb-section-label {
  font-family: var(--font-display);
  font-size: 0.6rem; letter-spacing: 0.4em; text-transform: uppercase;
  color: var(--bb-gold); margin-bottom: 0.6rem;
}
.bb-section-title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 2rem);
  font-weight: 400; color: var(--bb-cream);
}

/* ---------- DIVIDER ---------- */
.bb-divider {
  display: flex; align-items: center; gap: 12px;
  margin: 20px 0;
}
.bb-divider::before, .bb-divider::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(90deg, transparent, var(--bb-border2), transparent);
}
.bb-divider-diamond {
  width: 5px; height: 5px;
  background: var(--bb-gold); transform: rotate(45deg); flex-shrink: 0;
}

/* ---------- BUTTONS ---------- */
.bb-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-display);
  font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase;
  border: none; cursor: pointer; text-decoration: none;
  transition: var(--transition);
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
}
.bb-btn-primary {
  background: var(--bb-gold); color: var(--bb-black);
  position: relative; overflow: hidden;
}
.bb-btn-primary::before {
  content: ''; position: absolute; inset: 0;
  background: var(--bb-gold-lt);
  transform: translateX(-100%); transition: transform 0.3s ease;
}
.bb-btn-primary:hover::before { transform: translateX(0); }
.bb-btn-primary span { position: relative; }
.bb-btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(201,168,76,0.25); }

.bb-btn-secondary {
  background: transparent; color: var(--bb-gold);
  border: 1px solid var(--bb-gold);
}
.bb-btn-secondary:hover { background: var(--bb-gold-dim); transform: translateY(-1px); }

.bb-btn-ghost {
  background: transparent; color: var(--bb-muted);
  border: 1px solid var(--bb-border);
}
.bb-btn-ghost:hover { color: var(--bb-cream); border-color: var(--bb-border2); }

.bb-btn-danger {
  background: var(--bb-red); color: #fff; border: 1px solid #6b1212;
}
.bb-btn-danger:hover { background: #a52020; }

.bb-btn-success {
  background: var(--bb-green); color: #fff;
}
.bb-btn-success:hover { background: #3a7a4a; }

.bb-btn-sm { padding: 0.5rem 1rem; font-size: 0.6rem; }
.bb-btn-lg { padding: 1rem 2.5rem; font-size: 0.7rem; }
.bb-btn-block { width: 100%; }

/* ---------- CARD ---------- */
.bb-card {
  background: var(--bb-card);
  border: 1px solid var(--bb-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color var(--transition);
}
.bb-card:hover { border-color: var(--bb-border2); }
.bb-card-gold { border-color: rgba(201,168,76,0.3); }

/* ---------- FORM ELEMENTS ---------- */
.bb-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.62rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--bb-gold); margin-bottom: 6px;
}
.bb-input, .bb-select, .bb-textarea {
  width: 100%;
  background: var(--bb-surface);
  color: var(--bb-cream);
  border: 1px solid var(--bb-border);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition);
  outline: none;
}
.bb-input:focus, .bb-select:focus, .bb-textarea:focus {
  border-color: var(--bb-gold);
  box-shadow: 0 0 0 2px var(--bb-gold-dim);
}
.bb-input::placeholder { color: var(--bb-muted); }
.bb-select option { background: var(--bb-surface); }
.bb-textarea { resize: vertical; min-height: 100px; }
.bb-form-group { margin-bottom: 20px; }

/* ---------- TABLE ---------- */
.bb-table { width: 100%; border-collapse: collapse; }
.bb-table th {
  font-family: var(--font-display);
  font-size: 0.58rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--bb-gold); text-align: left;
  padding: 12px 16px; border-bottom: 1px solid var(--bb-border);
}
.bb-table td {
  padding: 12px 16px; border-bottom: 1px solid var(--bb-border);
  font-size: 0.95rem; color: var(--bb-cream);
}
.bb-table tr:hover td { background: var(--bb-surface); }

/* ---------- BADGE ---------- */
.bb-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.55rem; letter-spacing: 0.15em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 20px;
}
.bb-badge-gold { background: var(--bb-gold-dim); color: var(--bb-gold); border: 1px solid rgba(201,168,76,0.3); }
.bb-badge-green { background: rgba(42,92,58,0.3); color: #5db87a; border: 1px solid rgba(42,92,58,0.5); }
.bb-badge-red { background: rgba(139,26,26,0.3); color: #e05050; border: 1px solid rgba(139,26,26,0.5); }
.bb-badge-muted { background: rgba(122,110,92,0.2); color: var(--bb-muted); border: 1px solid var(--bb-border); }

/* ---------- ALERT ---------- */
.bb-alert {
  padding: 14px 18px; border-radius: var(--radius);
  font-size: 0.9rem; margin-bottom: 16px;
  border: 1px solid;
}
.bb-alert-info { background: rgba(42,92,58,0.15); border-color: rgba(42,92,58,0.4); color: #7dd9a0; }
.bb-alert-warning { background: var(--bb-gold-dim); border-color: rgba(201,168,76,0.4); color: var(--bb-gold); }
.bb-alert-error { background: rgba(139,26,26,0.2); border-color: rgba(139,26,26,0.4); color: #e05050; }

/* ---------- PAGE HEADER HERO (small) ---------- */
.bb-page-hero {
  padding: 48px 24px 32px;
  text-align: center;
  border-bottom: 1px solid var(--bb-border);
  background: linear-gradient(180deg, var(--bb-deep) 0%, var(--bb-black) 100%);
}
.bb-page-hero .bb-section-label { justify-content: center; }

/* ---------- LOGIN SCREEN ---------- */
.bb-auth-screen {
  min-height: calc(100vh - 60px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.bb-auth-box {
  width: 100%; max-width: 400px;
  background: var(--bb-card);
  border: 1px solid var(--bb-border);
  border-radius: var(--radius);
  padding: 40px 36px;
  text-align: center;
}
.bb-auth-box .bb-page-title { font-size: 1.5rem; margin-bottom: 8px; }

/* ---------- GRID UTILS ---------- */
.bb-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.bb-grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
@media (max-width: 768px) {
  .bb-grid-2, .bb-grid-3 { grid-template-columns: 1fr; }
}

/* ---------- SCROLLBAR ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bb-black); }
::-webkit-scrollbar-thumb { background: var(--bb-border2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--bb-gold); }

/* ---------- ANIMATIONS ---------- */
@keyframes bb-fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes bb-fadeIn { from { opacity:0; } to { opacity:1; } }
@keyframes bb-pulse { 0%,100%{opacity:1;} 50%{opacity:0.4;} }

.bb-animate-in { animation: bb-fadeUp 0.7s ease both; }
.reveal { opacity:0; transform:translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity:1; transform:translateY(0); }

/* ---------- FOOTER ---------- */
.bb-footer {
  border-top: 1px solid var(--bb-border);
  padding: 32px 24px;
  text-align: center;
}
.bb-footer-brand {
  font-family: var(--font-display);
  font-size: 0.9rem; letter-spacing: 0.2em;
  color: var(--bb-gold); margin-bottom: 12px;
}
.bb-footer-copy {
  font-size: 0.8rem; color: var(--bb-muted);
  letter-spacing: 0.05em;
}

/* ---------- QR MODAL ---------- */
.bb-qr-modal {
  display: none; position: fixed; inset: 0; z-index: 9800;
  background: rgba(0,0,0,0.96);
  flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 24px;
}
.bb-qr-modal.open { display: flex; }
.bb-qr-reader-wrap {
  border: 2px solid var(--bb-gold);
  border-radius: var(--radius);
  overflow: hidden;
  width: 280px; height: 280px;
}
.bb-qr-reader-wrap #reader { width: 100%; }

/* ---------- SKELETON LOADER ---------- */
.bb-skeleton {
  background: linear-gradient(90deg, var(--bb-surface) 25%, var(--bb-border) 50%, var(--bb-surface) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.4s infinite;
  border-radius: var(--radius);
}
@keyframes skeleton-shimmer { from { background-position:200%0; } to { background-position:-200%0; } }

/* ---------- UTIL ---------- */
.text-gold { color: var(--bb-gold); }
.text-muted { color: var(--bb-muted); }
.text-center { text-align: center; }
.mt-1{margin-top:8px;} .mt-2{margin-top:16px;} .mt-3{margin-top:24px;} .mt-4{margin-top:32px;} .mt-5{margin-top:48px;}
.mb-1{margin-bottom:8px;} .mb-2{margin-bottom:16px;} .mb-3{margin-bottom:24px;}
.gap-1{gap:8px;} .gap-2{gap:16px;}
.flex{display:flex;} .flex-center{display:flex;align-items:center;justify-content:center;}
.flex-between{display:flex;align-items:center;justify-content:space-between;}
.flex-wrap{flex-wrap:wrap;}
.hidden{display:none!important;}