@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #0a0a0f;
  --bg-1: #111118;
  --bg-2: #1a1a24;
  --bg-3: #222230;
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.12);
  --text: #e8e8f0;
  --text-2: #9090a8;
  --text-3: #5a5a72;
  --accent: #7c6ff7;
  --accent-dim: rgba(124,111,247,0.15);
  --accent-glow: rgba(124,111,247,0.3);
  --green: #4ade80;
  --green-dim: rgba(74,222,128,0.12);
  --red: #f87171;
  --red-dim: rgba(248,113,113,0.12);
  --amber: #fbbf24;
  --amber-dim: rgba(251,191,36,0.12);
  --blue: #60a5fa;
  --blue-dim: rgba(96,165,250,0.12);
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;
  --nav-h: 56px;
  --font: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --shadow: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: #9d93ff; }
img { max-width: 100%; display: block; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 99px; }

/* ── Container ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.main-content { flex: 1; padding-top: var(--nav-h); }
.page-content { padding: 32px 0 80px; }

/* ── Navbar ── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.nav-brand {
  font-family: var(--font-mono);
  font-size: 15px; font-weight: 500;
  color: var(--accent); display: flex; align-items: center; gap: 8px;
  letter-spacing: -0.3px;
}
.nav-brand:hover { color: #9d93ff; text-decoration: none; }
.nav-brand i { font-size: 16px; }
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-link {
  padding: 5px 10px; border-radius: var(--radius-sm);
  color: var(--text-2); font-size: 13px; font-weight: 400;
  transition: all .15s; display: flex; align-items: center; gap: 6px;
}
.nav-link i { font-size: 12px; }
.nav-link:hover { background: var(--bg-2); color: var(--text); text-decoration: none; }
.nav-link--active { background: var(--bg-2); color: var(--text); }
.nav-link--accent { background: var(--accent-dim); color: var(--accent); }
.nav-link--accent:hover { background: rgba(124,111,247,0.25); }
.nav-link--logout { color: var(--red); }
.nav-link--logout:hover { background: var(--red-dim); color: var(--red); }
.nav-user { display: flex; align-items: center; gap: 6px; margin-left: 8px; padding-left: 8px; border-left: 1px solid var(--border); }
.nav-avatar img, .avatar-placeholder {
  width: 28px; height: 28px; border-radius: 50%; object-fit: cover;
}
.avatar-placeholder {
  background: var(--accent-dim); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 600; font-family: var(--font-mono);
  border: 1px solid var(--accent-glow);
}

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: var(--radius-sm);
  font-family: var(--font); font-size: 13px; font-weight: 500;
  cursor: pointer; border: 1px solid transparent;
  transition: all .15s; line-height: 1; white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn i { font-size: 12px; }
.btn-primary {
  background: var(--accent); color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover { background: #6a5ee8; border-color: #6a5ee8; color: #fff; }
.btn-outline {
  background: transparent; color: var(--text-2);
  border-color: var(--border-hover);
}
.btn-outline:hover { background: var(--bg-2); color: var(--text); border-color: var(--border-hover); }
.btn-link { background: none; color: var(--accent); border: none; padding: 4px 6px; }
.btn-link:hover { color: #9d93ff; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-full { width: 100%; justify-content: center; }
.btn:disabled { opacity: .4; cursor: not-allowed; }

/* ── Forms ── */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label {
  font-size: 11px; font-weight: 500; color: var(--text-3);
  text-transform: uppercase; letter-spacing: .08em; font-family: var(--font-mono);
}
.form-control {
  padding: 8px 12px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font); font-size: 13px; color: var(--text);
  transition: border-color .15s;
  outline: none;
}
.form-control:focus { border-color: var(--accent); background: var(--bg-1); }
.form-control::placeholder { color: var(--text-3); }
.form-control--sm { padding: 6px 10px; font-size: 12px; }
select.form-control { cursor: pointer; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.input-wrap { position: relative; }
.input-wrap i { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--text-3); font-size: 12px; }
.input-wrap .form-control { padding-left: 32px; }
.field-error { color: var(--red); font-size: 11px; }
.field-hint { font-size: 11px; color: var(--text-3); }
.form-section {
  background: var(--bg-1); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-bottom: 16px;
}
.form-section h3 {
  font-size: 11px; font-weight: 500; color: var(--text-3);
  text-transform: uppercase; letter-spacing: .08em;
  font-family: var(--font-mono); margin-bottom: 16px;
}
.form-actions { display: flex; gap: 10px; margin-top: 8px; }
.checkbox-grid {
  display: flex; flex-direction: column; gap: 6px;
  max-height: 160px; overflow-y: auto; padding: 8px;
  background: var(--bg); border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

/* ── Auth pages ── */
.auth-page {
  min-height: calc(100vh - var(--nav-h));
  display: flex; align-items: center; justify-content: center;
  padding: 32px 16px;
  background: radial-gradient(ellipse at 50% 0%, rgba(124,111,247,0.08) 0%, transparent 70%);
}
.auth-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px; width: 100%; max-width: 400px;
}
.auth-card--wide { max-width: 520px; }
.auth-header { text-align: center; margin-bottom: 28px; }
.auth-logo { font-size: 2rem; color: var(--accent); display: block; margin-bottom: 12px; }
.auth-header h1 {
  font-size: 20px; font-weight: 600; color: var(--text);
  font-family: var(--font-mono); letter-spacing: -0.5px;
}
.auth-header p { color: var(--text-2); margin-top: 4px; font-size: 13px; }
.auth-switch { text-align: center; margin-top: 20px; color: var(--text-3); font-size: 12px; }

/* ── Alerts ── */
.messages-container {
  position: fixed; top: calc(var(--nav-h) + 12px); right: 16px;
  z-index: 200; display: flex; flex-direction: column; gap: 8px; width: 320px;
}
.alert {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 8px;
  padding: 10px 12px; border-radius: var(--radius-sm); font-size: 12px;
  border: 1px solid;
}
.alert--success { background: var(--green-dim); border-color: rgba(74,222,128,0.2); color: var(--green); }
.alert--error { background: var(--red-dim); border-color: rgba(248,113,113,0.2); color: var(--red); }
.alert--warning { background: var(--amber-dim); border-color: rgba(251,191,36,0.2); color: var(--amber); }
.alert--info { background: var(--blue-dim); border-color: rgba(96,165,250,0.2); color: var(--blue); }
.alert-close { background: none; border: none; cursor: pointer; color: inherit; opacity: .6; padding: 0; }

/* ── Badges ── */
.badge {
  display: inline-flex; align-items: center;
  padding: 2px 7px; border-radius: 99px;
  font-size: 11px; font-weight: 500; font-family: var(--font-mono);
}
.badge--success { background: var(--green-dim); color: var(--green); }
.badge--warning { background: var(--amber-dim); color: var(--amber); }
.badge--danger { background: var(--red-dim); color: var(--red); }
.badge--info { background: var(--blue-dim); color: var(--blue); }
.badge--genre { background: var(--accent-dim); color: var(--accent); }
.badge--ai { background: var(--accent-dim); color: var(--accent); border: 1px solid var(--accent-glow); }
.badge--reader { background: var(--green-dim); color: var(--green); }
.badge--librarian { background: var(--blue-dim); color: var(--blue); }
.badge--admin { background: var(--accent-dim); color: var(--accent); }

/* ── Page header ── */
.page-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 12px; margin-bottom: 24px; flex-wrap: wrap;
}
.page-header h1 {
  font-size: 22px; font-weight: 600;
  font-family: var(--font-mono); letter-spacing: -0.5px; color: var(--text);
}
.text-muted { color: var(--text-2); }
.text-success { color: var(--green); }
.text-danger { color: var(--red); }

/* ── Books grid ── */
.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
}
.book-card {
  background: var(--bg-1); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: border-color .15s, transform .15s;
  display: flex; flex-direction: column; color: var(--text);
  cursor: pointer;
}
.book-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  text-decoration: none;
}
.book-cover { aspect-ratio: 2/3; overflow: hidden; background: var(--bg-2); position: relative; }
.book-cover img { width: 100%; height: 100%; object-fit: cover; }
.cover-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; color: var(--text-3);
}
.book-unavailable {
  position: absolute; bottom: 6px; left: 6px;
  background: rgba(0,0,0,0.7); color: var(--text-2);
  font-size: 10px; padding: 2px 6px; border-radius: 4px;
  font-family: var(--font-mono);
}
.book-reason {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(124,111,247,0.8));
  color: #fff; font-size: 10px; padding: 16px 6px 6px;
}
.book-card-body { padding: 10px 12px; flex: 1; display: flex; flex-direction: column; gap: 3px; }
.book-card-title { font-weight: 500; font-size: 12px; line-height: 1.4; color: var(--text); }
.book-card-author { color: var(--text-3); font-size: 11px; }
.book-card-desc { color: var(--text-3); font-size: 11px; }
.book-card-footer { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 8px; }
.stars-sm { color: var(--amber); font-size: 11px; font-family: var(--font-mono); }
.copies-badge { font-size: 10px; color: var(--text-3); font-family: var(--font-mono); }

/* ── Search bar ── */
.search-bar { display: flex; gap: 8px; align-items: center; margin-bottom: 24px; flex-wrap: wrap; }
.search-input-wrap { flex: 1; min-width: 200px; position: relative; }
.search-input-wrap i { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--text-3); font-size: 12px; }
.search-input-wrap .form-control { padding-left: 32px; }

/* ── Book detail ── */
.book-detail { display: grid; grid-template-columns: 200px 1fr; gap: 32px; margin-bottom: 40px; }
.book-detail-cover img { width: 100%; border-radius: var(--radius); border: 1px solid var(--border); }
.book-actions { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.book-detail-info h1 {
  font-size: 24px; font-weight: 600; margin-bottom: 6px;
  font-family: var(--font-mono); letter-spacing: -0.5px;
}
.book-authors { color: var(--text-2); font-size: 13px; margin-bottom: 16px; }
.book-meta-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; margin-bottom: 16px; }
.book-meta-grid > div {
  background: var(--bg-2); border-radius: var(--radius-sm);
  padding: 10px 12px; border: 1px solid var(--border);
}
.book-meta-grid span { display: block; font-size: 10px; color: var(--text-3); text-transform: uppercase; letter-spacing: .06em; font-family: var(--font-mono); }
.book-meta-grid strong { font-size: 13px; font-weight: 500; }
.book-genres { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.ai-summary {
  background: var(--bg-2); border: 1px solid rgba(124,111,247,0.2);
  border-radius: var(--radius-sm); padding: 12px; margin-bottom: 14px;
}
.ai-label { display: flex; align-items: center; gap: 6px; font-size: 10px; font-weight: 500; color: var(--accent); margin-bottom: 6px; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .06em; }
.book-description h3 { font-size: 13px; font-weight: 500; margin-bottom: 8px; color: var(--text-2); }
.book-description p { color: var(--text-2); line-height: 1.7; font-size: 13px; }
.borrow-form { background: var(--bg-2); border-radius: var(--radius-sm); padding: 14px; margin-top: 14px; border: 1px solid var(--border); }
.borrow-form h3 { font-size: 12px; font-weight: 500; margin-bottom: 10px; color: var(--text-2); }
.inline-form { display: flex; gap: 8px; }

/* ── Reviews ── */
.reviews-section { border-top: 1px solid var(--border); padding-top: 28px; }
.reviews-section h2 { font-size: 15px; font-weight: 600; margin-bottom: 20px; font-family: var(--font-mono); }
.review-form-card {
  background: var(--bg-1); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; margin-bottom: 20px;
}
.review-form-card h3 { font-size: 12px; font-weight: 500; margin-bottom: 10px; color: var(--text-2); }
.star-rating-input { display: flex; flex-direction: row-reverse; justify-content: flex-end; gap: 4px; margin-bottom: 10px; }
.star-rating-input input { display: none; }
.star-rating-input label { font-size: 1.4rem; color: var(--text-3); cursor: pointer; transition: color .1s; }
.star-rating-input input:checked ~ label,
.star-rating-input label:hover,
.star-rating-input label:hover ~ label { color: var(--amber); }
.reviews-list { display: flex; flex-direction: column; gap: 12px; }
.review-item {
  background: var(--bg-1); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px;
}
.review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.review-header strong { font-size: 13px; font-weight: 500; }
.stars { color: var(--amber); font-size: 12px; letter-spacing: 2px; }
.review-item p { color: var(--text-2); font-size: 13px; }

/* ── Dashboard ── */
.dashboard-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 20px; }
.dashboard-header h1 { font-size: 20px; font-weight: 600; font-family: var(--font-mono); }
.goal-bar-wrap { margin-bottom: 24px; }
.goal-bar-header { display: flex; justify-content: space-between; font-size: 11px; color: var(--text-3); margin-bottom: 6px; font-family: var(--font-mono); }
.goal-bar { height: 4px; background: var(--bg-3); border-radius: 99px; overflow: hidden; }
.goal-bar-fill { height: 100%; background: var(--accent); border-radius: 99px; transition: width .5s; }
.notif-section {
  background: rgba(251,191,36,0.05); border: 1px solid rgba(251,191,36,0.15);
  border-radius: var(--radius); padding: 14px; margin-bottom: 20px;
}
.notif-section h3 { font-size: 11px; font-weight: 500; color: var(--amber); margin-bottom: 10px; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .06em; }
.notif-item { display: flex; justify-content: space-between; align-items: flex-start; padding: 6px 0; border-bottom: 1px solid rgba(251,191,36,0.08); font-size: 12px; color: var(--text-2); }
.notif-dismiss { color: var(--green); font-size: 12px; text-decoration: none; font-family: var(--font-mono); }
.dashboard-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.dash-section {
  background: var(--bg-1); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px;
}
.dash-section h2 { font-size: 12px; font-weight: 500; color: var(--text-2); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 14px; }
.borrow-card { background: var(--bg-2); border-radius: var(--radius-sm); padding: 10px 12px; margin-bottom: 8px; border: 1px solid var(--border); }
.borrow-card--overdue { background: var(--red-dim); border-color: rgba(248,113,113,0.2); }
.borrow-title { font-weight: 500; font-size: 13px; display: block; margin-bottom: 4px; color: var(--text); }
.borrow-meta { display: flex; align-items: center; gap: 8px; font-size: 11px; color: var(--text-3); font-family: var(--font-mono); }
.history-list { display: flex; flex-direction: column; gap: 6px; }
.history-row { display: flex; justify-content: space-between; align-items: center; font-size: 12px; padding: 6px 0; border-bottom: 1px solid var(--border); color: var(--text-2); }

/* ── Profile ── */
.profile-header {
  display: flex; align-items: flex-start; gap: 20px;
  background: var(--bg-1); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-bottom: 20px;
}
.profile-avatar img, .profile-avatar-placeholder { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; }
.profile-avatar-placeholder {
  background: var(--accent-dim); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; font-weight: 600;
  border: 1px solid var(--accent-glow);
}
.profile-info { flex: 1; }
.profile-info h1 { font-size: 18px; font-weight: 600; font-family: var(--font-mono); }
.profile-role { margin: 4px 0 8px; }
.profile-bio { color: var(--text-2); margin-bottom: 8px; font-size: 13px; }
.profile-meta { display: flex; gap: 16px; font-size: 11px; color: var(--text-3); font-family: var(--font-mono); }
.profile-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-bottom: 20px; }
.stat-card { background: var(--bg-1); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; text-align: center; }
.stat-value { display: block; font-size: 24px; font-weight: 600; color: var(--accent); font-family: var(--font-mono); }
.stat-label { font-size: 10px; color: var(--text-3); text-transform: uppercase; letter-spacing: .06em; font-family: var(--font-mono); }
.profile-sections { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.profile-sections section { background: var(--bg-1); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.profile-sections h2 { font-size: 11px; font-weight: 500; color: var(--text-3); text-transform: uppercase; letter-spacing: .06em; font-family: var(--font-mono); margin-bottom: 12px; }
.book-list-compact { display: flex; flex-direction: column; gap: 8px; }
.book-row { display: flex; justify-content: space-between; align-items: center; padding: 5px 0; border-bottom: 1px solid var(--border); font-size: 12px; }
.book-row-meta { display: flex; align-items: center; gap: 6px; }
.review-card { padding: 10px 0; border-bottom: 1px solid var(--border); }
.review-book { font-weight: 500; font-size: 13px; display: block; margin-bottom: 4px; }

/* ── Analytics ── */
.stats-overview { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px,1fr)); gap: 12px; margin-bottom: 24px; }
.stat-box {
  background: var(--bg-1); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px;
  display: flex; align-items: center; gap: 12px;
}
.stat-box--danger { border-color: rgba(248,113,113,0.2); background: var(--red-dim); }
.stat-icon { font-size: 18px; width: 36px; height: 36px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; }
.stat-icon--blue { background: var(--blue-dim); color: var(--blue); }
.stat-icon--green { background: var(--green-dim); color: var(--green); }
.stat-icon--purple { background: var(--accent-dim); color: var(--accent); }
.stat-icon--teal { background: rgba(20,184,166,0.12); color: #2dd4bf; }
.stat-icon--orange { background: rgba(251,146,60,0.12); color: #fb923c; }
.stat-icon--red { background: var(--red-dim); color: var(--red); }
.stat-box-value { display: block; font-size: 20px; font-weight: 600; line-height: 1; font-family: var(--font-mono); }
.stat-box-label { font-size: 10px; color: var(--text-3); text-transform: uppercase; letter-spacing: .06em; font-family: var(--font-mono); }
.analytics-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 16px; }
.chart-card { background: var(--bg-1); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.chart-card h3 { font-size: 11px; font-weight: 500; color: var(--text-3); text-transform: uppercase; letter-spacing: .06em; font-family: var(--font-mono); margin-bottom: 14px; }
.top-list { display: flex; flex-direction: column; gap: 6px; }
.top-list-row { display: flex; align-items: center; gap: 8px; padding: 5px 0; border-bottom: 1px solid var(--border); font-size: 12px; }
.top-rank {
  width: 20px; height: 20px;
  background: var(--accent-dim); color: var(--accent);
  border-radius: 4px; display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 600; flex-shrink: 0; font-family: var(--font-mono);
}
.top-title { flex: 1; color: var(--text-2); }
.top-count { color: var(--text-3); font-size: 11px; font-family: var(--font-mono); }

/* ── Chat ── */
.chat-page { max-width: 680px; margin: 0 auto; display: flex; flex-direction: column; height: calc(100vh - var(--nav-h) - 40px); }
.chat-header { display: flex; align-items: center; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--border); margin-bottom: 0; }
.chat-header i { font-size: 18px; color: var(--accent); }
.chat-header h1 { font-size: 15px; font-weight: 600; font-family: var(--font-mono); }
.chat-header p { font-size: 11px; color: var(--text-3); }
.chat-messages { flex: 1; overflow-y: auto; padding: 16px 0; display: flex; flex-direction: column; gap: 10px; }
.chat-msg { display: flex; }
.chat-msg--user { justify-content: flex-end; }
.chat-bubble {
  max-width: 78%; padding: 9px 13px;
  font-size: 13px; line-height: 1.6;
}
.chat-msg--ai .chat-bubble {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 12px 12px 12px 3px; color: var(--text);
}
.chat-msg--user .chat-bubble {
  background: var(--accent-dim); border: 1px solid var(--accent-glow);
  color: var(--text); border-radius: 12px 12px 3px 12px;
}
.chat-typing .chat-bubble { padding: 12px 14px; }
.dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--text-3); margin: 0 2px; animation: bounce .8s infinite; }
.dot:nth-child(2) { animation-delay: .15s; }
.dot:nth-child(3) { animation-delay: .3s; }
@keyframes bounce { 0%,60%,100% { transform: translateY(0); } 30% { transform: translateY(-5px); } }
.chat-input-area { padding: 14px 0; border-top: 1px solid var(--border); }
.chat-input-wrap { display: flex; gap: 8px; margin-bottom: 10px; }
.chat-suggestions { display: flex; flex-wrap: wrap; gap: 6px; }
.chat-chip {
  padding: 4px 10px; border-radius: 99px;
  border: 1px solid var(--border);
  background: var(--bg-1); font-size: 11px; cursor: pointer;
  transition: all .15s; font-family: var(--font);
  color: var(--text-3);
}
.chat-chip:hover { background: var(--bg-2); border-color: var(--accent-glow); color: var(--accent); }

/* ── Data table ── */
.data-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.data-table th {
  text-align: left; padding: 8px 12px;
  font-size: 10px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-3); border-bottom: 1px solid var(--border);
  font-family: var(--font-mono); font-weight: 500;
}
.data-table td { padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; color: var(--text-2); }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg-2); }
.row--danger td { background: var(--red-dim); }

/* ── Misc ── */
.toggle-ai { display: flex; align-items: center; gap: 8px; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 32px; }
.pagination-info { font-size: 12px; color: var(--text-3); font-family: var(--font-mono); }
.empty-state { text-align: center; color: var(--text-3); padding: 20px; font-size: 13px; }
.empty-state--lg { padding: 60px 20px; }
.empty-state--lg i { font-size: 2.5rem; display: block; margin-bottom: 12px; opacity: .3; }
.empty-state--lg p { font-size: 14px; margin-bottom: 16px; }
.form-page { max-width: 640px; }

/* ── Footer ── */
.footer { border-top: 1px solid var(--border); padding: 16px 0; margin-top: auto; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; }
.footer-brand { font-weight: 500; color: var(--accent); font-family: var(--font-mono); font-size: 13px; }
.footer-copy { font-size: 11px; color: var(--text-3); font-family: var(--font-mono); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .books-grid { grid-template-columns: repeat(auto-fill, minmax(130px,1fr)); gap: 12px; }
  .book-detail { grid-template-columns: 1fr; }
  .book-detail-cover { max-width: 180px; }
  .book-meta-grid { grid-template-columns: repeat(2,1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
  .profile-sections { grid-template-columns: 1fr; }
  .analytics-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .profile-stats { grid-template-columns: repeat(3,1fr); }
  .nav-link span { display: none; }
  .stats-overview { grid-template-columns: repeat(2,1fr); }
  .chat-page { height: calc(100vh - var(--nav-h) - 20px); }
}

@media (max-width: 480px) {
  .profile-stats { grid-template-columns: repeat(2,1fr); }
  .books-grid { grid-template-columns: repeat(2,1fr); }
  .auth-card { padding: 24px 20px; }
}