/* ============================================================
   Subsystem B — ระบบห้องสมุดนักศึกษา · Vintage Bookstore Skin
   Theme: Parchment + Burgundy + Brass (Thai serif aesthetic)
   ─────────────────────────────────────────────────────────────
   Loaded AFTER Tailwind CDN so utility classes (bg-white,
   bg-slate-*, text-slate-*, border-slate-*, rounded-*, shadow-*,
   emerald-*) are re-skinned to the vintage palette without
   rewriting every template.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Trirong:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400;1,500&family=Sarabun:wght@300;400;500;600;700;800&family=EB+Garamond:ital,wght@0,400;0,500;0,600;1,400&family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700&display=swap');

/* ── PALETTE ───────────────────────────────────────────── */
:root {
  --paper:        #f1e4cb;
  --paper-2:      #e8d8b8;
  --paper-3:      #ddc8a0;
  --paper-soft:   #f6ecd7;
  --ink:          #2a1a10;
  --ink-2:        #4a3525;
  --ink-3:        #7a5f44;
  --ink-soft:     #9c8463;
  --rule:         #b89968;
  --rule-soft:    #c9ad7a;
  --accent:       #7a2e1f;     /* burgundy */
  --accent-2:     #a14a2e;     /* terracotta */
  --accent-soft:  #c97a5a;
  --gold:         #b8924e;
  --gold-2:       #d4b574;
  --leaf:         #3a4a2a;
  --leaf-2:       #5a6a3a;
  --teal:         #2a4a4a;
  --danger:       #8a2020;
  --danger-soft:  #b94a3a;
  --warn:         #8a5a18;
  --shadow:       0 1px 0 rgba(60,40,20,.08), 0 8px 24px -10px rgba(60,40,20,.25);
  --shadow-soft:  0 1px 0 rgba(60,40,20,.06), 0 4px 14px -8px rgba(60,40,20,.18);
  --shadow-strong:0 2px 0 rgba(40,25,15,.12), 0 24px 60px -20px rgba(40,25,15,.45);
  --noise: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' seed='4'/><feColorMatrix values='0 0 0 0 0.18  0 0 0 0 0.10  0 0 0 0 0.05  0 0 0 0.22 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.6'/></svg>");
  --font-serif:   'Trirong', 'EB Garamond', Georgia, serif;
  --font-display: 'Trirong', 'Cormorant Garamond', Georgia, serif;
  --font-sans:    'Sarabun', system-ui, -apple-system, sans-serif;
}

/* ── BASE ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body {
  background: var(--paper) !important;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* paper grain — full bleed, behind content */
body::before {
  content: "";
  position: fixed; inset: 0;
  background-image: var(--noise);
  background-size: 220px 220px;
  pointer-events: none;
  opacity: .42;
  z-index: 1;
  mix-blend-mode: multiply;
}
body > * { position: relative; z-index: 2; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 600;
  letter-spacing: .005em;
  text-wrap: balance;
}
h1 { font-weight: 500; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-underline-offset: 3px; }

code, .font-mono { font-family: 'Trirong', 'Courier New', monospace; letter-spacing: .02em; }

/* ────────────────────────────────────────────────────────
   TAILWIND UTILITY OVERRIDES  (re-skin to vintage palette)
   These come AFTER Tailwind so their cascade wins.
   ──────────────────────────────────────────────────────── */

/* Backgrounds ── slate / white → parchment */
.bg-white            { background-color: var(--paper-soft) !important; }
.bg-slate-50         { background-color: var(--paper) !important; }
.bg-slate-100        { background-color: var(--paper-2) !important; }
.bg-slate-200        { background-color: var(--paper-3) !important; }
.bg-emerald-50       { background-color: color-mix(in oklab, var(--gold) 14%, var(--paper)) !important; }
.bg-emerald-100      { background-color: color-mix(in oklab, var(--gold) 22%, var(--paper)) !important; }
.bg-amber-50         { background-color: color-mix(in oklab, var(--gold) 18%, var(--paper)) !important; }
.bg-amber-100        { background-color: color-mix(in oklab, var(--gold) 28%, var(--paper)) !important; }
.bg-red-50           { background-color: color-mix(in oklab, var(--danger) 8%, var(--paper)) !important; }
.bg-pink-50          { background-color: color-mix(in oklab, var(--accent) 10%, var(--paper)) !important; }
.bg-blue-100         { background-color: color-mix(in oklab, var(--teal) 18%, var(--paper)) !important; }

/* Translucent gradients used in alert backgrounds */
.bg-emerald-50\/30   { background-color: color-mix(in oklab, var(--gold) 8%, var(--paper-soft)) !important; }
.bg-amber-50\/20     { background-color: color-mix(in oklab, var(--gold) 6%, var(--paper-soft)) !important; }

/* Borders ── slate → rule (brass-ish) */
.border-slate-50,
.border-slate-100,
.border-slate-200,
.border-slate-300    { border-color: var(--rule) !important; }
.border-emerald-100,
.border-emerald-200,
.border-emerald-300  { border-color: var(--gold) !important; }
.border-amber-100,
.border-amber-200    { border-color: var(--gold-2) !important; }
.border-red-200      { border-color: var(--danger) !important; }
.border-pink-200     { border-color: var(--accent) !important; }
.border-white\/10,
.border-white\/20    { border-color: rgba(241,228,203,.25) !important; }

/* Text colors ── slate / emerald → ink / accent */
.text-slate-900      { color: var(--ink) !important; }
.text-slate-800      { color: var(--ink) !important; }
.text-slate-700      { color: var(--ink-2) !important; }
.text-slate-600      { color: var(--ink-2) !important; }
.text-slate-500      { color: var(--ink-3) !important; }
.text-slate-400      { color: var(--ink-soft) !important; }
.text-slate-300      { color: var(--rule) !important; }

.text-emerald-600,
.text-emerald-700,
.text-emerald-800    { color: var(--accent) !important; }
.text-emerald-200,
.text-emerald-100    { color: var(--paper-2) !important; }
.text-amber-600,
.text-amber-700,
.text-amber-800      { color: var(--warn) !important; }
.text-red-500,
.text-red-600        { color: var(--danger) !important; }
.text-pink-600,
.text-pink-700,
.text-pink-800       { color: var(--accent) !important; }
.text-blue-600       { color: var(--teal) !important; }

/* Hover variants used in templates */
.hover\:text-emerald-600:hover,
.hover\:text-emerald-700:hover { color: var(--accent-2) !important; }
.hover\:text-red-500:hover,
.hover\:text-red-600:hover     { color: var(--danger) !important; }
.hover\:bg-red-50:hover        { background-color: color-mix(in oklab, var(--danger) 10%, var(--paper)) !important; }
.hover\:bg-slate-50:hover      { background-color: var(--paper-2) !important; }
.hover\:bg-slate-100:hover     { background-color: var(--paper-3) !important; }

/* Rounded — vintage = sharp corners */
.rounded,
.rounded-md,
.rounded-lg          { border-radius: 2px !important; }
.rounded-xl,
.rounded-2xl,
.rounded-3xl         { border-radius: 3px !important; }
.rounded-full,
.rounded-999\px      { border-radius: 999px !important; }

/* Shadows — vintage paper drop */
.shadow,
.shadow-sm,
.shadow-md           { box-shadow: var(--shadow-soft) !important; }
.shadow-lg,
.shadow-xl,
.shadow-2xl          { box-shadow: var(--shadow) !important; }

/* The login gradient panel — re-skin to deep ink with gold ornament */
.bg-gradient-to-br.from-emerald-600,
.bg-gradient-to-r.from-emerald-600 {
  background-image: linear-gradient(135deg, var(--ink) 0%, #3a2418 55%, #5a2e1f 100%) !important;
}
.bg-gradient-to-br.from-emerald-500 {
  background-image: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%) !important;
}

/* Decorative white blobs on login → faint brass */
.bg-white\/5,
.bg-white\/10,
.bg-white\/15,
.bg-white\/20 { background-color: color-mix(in oklab, var(--gold) 18%, transparent) !important; }

/* Font weight tweak — vintage uses lighter weights for display */
.font-extrabold      { font-weight: 600 !important; font-family: var(--font-display); }
.font-bold           { font-weight: 600 !important; }
.font-semibold       { font-weight: 500 !important; }

/* ── ORNAMENTS ──────────────────────────────────────── */
.orn-rule {
  display: flex; align-items: center; gap: 14px;
  color: var(--ink-3);
  font-size: 12px; letter-spacing: .25em; text-transform: uppercase;
  font-family: var(--font-serif);
}
.orn-rule::before, .orn-rule::after {
  content: ""; flex: 1; height: 1px;
  background: linear-gradient(90deg, transparent, var(--rule), transparent);
}
.orn-fleur { color: var(--gold); font-size: 14px; }

.double-rule {
  border: 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  height: 4px;
  background: transparent;
}
.dashed-rule { border: 0; border-top: 1px dashed var(--rule); }

/* ── BRAND MARK (logo box) ──────────────────────────── */
.brand-mark {
  width: 38px; height: 38px;
  border: 1.5px solid var(--ink);
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  background: var(--paper);
  position: relative;
  border-radius: 2px;
  flex-shrink: 0;
}
.brand-mark::after {
  content: "";
  position: absolute; inset: 3px;
  border: 1px solid var(--ink);
  border-radius: 1px;
  opacity: .4;
}

/* ── BADGE / CHIP ──────────────────────────────────── */
.badge,
.chip {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 10px; line-height: 1.6;
  font-family: var(--font-serif);
  font-size: 11px; font-weight: 500;
  letter-spacing: .08em; text-transform: uppercase;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink-2);
  white-space: nowrap;
}
.badge-requested,
.badge-amber       { background: color-mix(in oklab, var(--gold) 18%, var(--paper)); color: var(--warn); border-color: var(--gold); }
.badge-active      { background: color-mix(in oklab, var(--teal) 14%, var(--paper)); color: var(--teal); border-color: var(--teal); }
.badge-returned,
.badge-available   { background: color-mix(in oklab, var(--leaf) 14%, var(--paper)); color: var(--leaf); border-color: var(--leaf); }
.badge-cancelled   { background: var(--paper); color: var(--ink-3); border-color: var(--rule); }
.badge-overdue,
.badge-withdrawn   { background: color-mix(in oklab, var(--danger) 12%, var(--paper)); color: var(--danger); border-color: var(--danger); }
.badge-member      { background: color-mix(in oklab, var(--gold) 16%, var(--paper)); color: var(--ink-2); border-color: var(--gold); }
.badge-librarian   { background: color-mix(in oklab, var(--accent) 14%, var(--paper)); color: var(--accent); border-color: var(--accent); }
.chip-accent       { color: var(--accent); border-color: var(--accent); }
.chip-gold         { color: var(--gold); border-color: var(--gold); background: color-mix(in oklab, var(--gold) 10%, var(--paper)); }

/* ── AVATAR (initial circle) ─────────────────────────── */
.avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--paper);
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 600; font-size: 16px;
  flex-shrink: 0;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  box-shadow: 1px 1px 0 var(--rule);
}
.avatar-lg { width: 60px; height: 60px; font-size: 26px; }
.avatar-librarian { background: var(--ink); }

/* ── NAV LINK (top navbar) ─────────────────────────── */
.nav-link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  border-radius: 2px;
  font-family: var(--font-serif);
  font-size: 14.5px;
  color: var(--ink-2);
  text-decoration: none;
  transition: background .12s, color .12s;
  white-space: nowrap;
  border-left: 2px solid transparent;
}
.nav-link:hover { background: var(--paper-2); color: var(--ink); border-left-color: var(--gold); }
.nav-link.lib-link { color: var(--accent); }
.nav-link.lib-link:hover { background: color-mix(in oklab, var(--accent) 8%, var(--paper)); border-left-color: var(--accent); }

/* ── BUTTON ─────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  font-family: var(--font-serif);
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: .02em;
  border-radius: 2px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  cursor: pointer;
  transition: transform .08s ease, box-shadow .15s ease, background .15s;
  box-shadow: 2px 2px 0 var(--rule);
  text-decoration: none;
  line-height: 1.2;
  white-space: nowrap;
}
.btn:hover  { transform: translate(-1px,-1px); box-shadow: 3px 3px 0 var(--rule); }
.btn:active { transform: translate(1px,1px);   box-shadow: 1px 1px 0 var(--rule); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none !important; box-shadow: 2px 2px 0 var(--rule) !important; }

.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--paper); }
.btn-success { background: var(--leaf);   border-color: var(--leaf);   color: var(--paper); }
.btn-info    { background: var(--teal);   border-color: var(--teal);   color: var(--paper); }
.btn-danger  { background: var(--danger); border-color: var(--danger); color: var(--paper); }
.btn-gold    { background: var(--gold);   border-color: var(--gold);   color: var(--ink);   }
.btn-ghost   { background: var(--paper);  border: 1px solid var(--rule); color: var(--ink-2); box-shadow: none; }
.btn-ghost:hover { background: var(--paper-2); color: var(--ink); transform: none; box-shadow: none; }
.btn-sm { padding: 5px 12px; font-size: 13px; }
.btn-xs { padding: 3px 10px; font-size: 12px; box-shadow: 1px 1px 0 var(--rule); }

/* keep emerald-utility primary in templates working */
.bg-emerald-600,
.bg-emerald-700,
.hover\:bg-emerald-700:hover { background-color: var(--accent) !important; }
.bg-emerald-600.text-white   { color: var(--paper) !important; }

/* ── STAT CARD ──────────────────────────────────────── */
.stat-card {
  background: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 20px 20px 20px 26px;
  position: relative;
  box-shadow: var(--shadow-soft);
}
.stat-card::before {
  content: ""; position: absolute; inset-block: 14px; left: 6px;
  width: 3px;
  background: var(--rule);
}
.stat-emerald::before { background: var(--accent); }
.stat-indigo::before  { background: var(--gold); }
.stat-amber::before   { background: var(--gold-2); }
.stat-red::before     { background: var(--danger); }
.stat-blue::before    { background: var(--teal); }
.stat-slate::before   { background: var(--rule); }
.stat-label {
  font-family: var(--font-serif);
  font-size: 10px; font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .25em;
  color: var(--ink-3);
  margin-bottom: 8px;
}
.stat-value {
  font-family: var(--font-display);
  font-size: 34px; font-weight: 500;
  color: var(--ink); line-height: 1;
  letter-spacing: -.01em;
}
.stat-sub { font-family: var(--font-serif); font-style: italic; font-size: 12.5px; color: var(--ink-3); margin-top: 6px; }

/* ── PROGRESS ───────────────────────────────────────── */
.progress-track {
  height: 6px; background: var(--paper-3); border: 1px solid var(--rule);
  border-radius: 999px; overflow: hidden;
}
.progress-fill {
  height: 100%; border-radius: 999px;
  background: linear-gradient(90deg, var(--gold), var(--accent));
  transition: width .5s ease;
}
.progress-fill.warn { background: linear-gradient(90deg, var(--gold-2), var(--danger)); }
.progress-fill.empty { background: var(--rule); }

/* ── FORM CONTROLS ──────────────────────────────────── */
.form-input, .form-select, .form-textarea, .input, .select, .textarea {
  width: 100%;
  font-family: var(--font-serif);
  font-size: 15px;
  padding: 10px 14px;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--rule);
  border-radius: 2px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus,
.input:focus, .select:focus, .textarea:focus {
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(60,40,20,.08);
}
.form-input::placeholder, .form-textarea::placeholder,
.input::placeholder { color: var(--ink-3); font-style: italic; }

/* ── SEARCH BAR ─────────────────────────────────────── */
.search-wrap {
  display: flex; gap: 8px; align-items: center;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 7px 14px;
  transition: border-color .15s, box-shadow .15s;
  flex: 1;
}
.search-wrap:focus-within {
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(60,40,20,.08);
}
.search-wrap input {
  border: none; outline: none; flex: 1;
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--ink);
  background: transparent;
}
.search-wrap input::placeholder { color: var(--ink-3); font-style: italic; }
.search-wrap svg { color: var(--ink-3); }

/* ── ALERT ──────────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: 2px;
  font-family: var(--font-serif);
  font-size: 14px;
  display: flex; align-items: flex-start; gap: 10px;
  line-height: 1.6;
  border: 1px solid var(--rule);
  background: var(--paper);
}
.alert-icon { flex-shrink: 0; font-size: 16px; margin-top: 1px; color: var(--gold); }
.alert-info    { background: color-mix(in oklab, var(--teal) 8%, var(--paper));   color: var(--teal);   border-color: var(--teal); }
.alert-success { background: color-mix(in oklab, var(--leaf) 10%, var(--paper));  color: var(--leaf);   border-color: var(--leaf); }
.alert-warning { background: color-mix(in oklab, var(--gold) 16%, var(--paper));  color: var(--warn);   border-color: var(--gold); }
.alert-danger  { background: color-mix(in oklab, var(--danger) 10%, var(--paper)); color: var(--danger); border-color: var(--danger); }
.alert-info .alert-icon    { color: var(--teal); }
.alert-success .alert-icon { color: var(--leaf); }
.alert-warning .alert-icon { color: var(--warn); }
.alert-danger  .alert-icon { color: var(--danger); }

/* ── DATA TABLE ─────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-serif);
  font-size: 14.5px;
}
.data-table thead th {
  background: var(--paper-2);
  padding: 11px 14px;
  text-align: left;
  font-size: 10.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .22em;
  color: var(--ink-3);
  border-bottom: 1px solid var(--rule);
  white-space: nowrap;
}
.data-table tbody td {
  padding: 13px 14px;
  border-bottom: 1px dashed var(--rule);
  vertical-align: top;
  color: var(--ink-2);
}
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover td { background: color-mix(in oklab, var(--paper-2) 60%, transparent); }
.data-table tbody tr.row-overdue td { background: color-mix(in oklab, var(--danger) 6%, var(--paper)); }
.data-table tbody tr.row-overdue:hover td { background: color-mix(in oklab, var(--danger) 12%, var(--paper)); }

/* ── TABS ──────────────────────────────────────────── */
.tab-bar {
  display: flex; gap: 0;
  background: transparent;
  padding: 0;
  border-radius: 0;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.tab-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 18px;
  font-family: var(--font-serif);
  font-size: 13.5px;
  letter-spacing: .03em;
  font-weight: 500;
  color: var(--ink-3);
  text-decoration: none;
  transition: all .15s;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab-btn:hover  { color: var(--ink); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.tab-count {
  font-family: var(--font-sans);
  background: var(--paper-2);
  color: var(--ink-3);
  font-size: 10.5px; font-weight: 600;
  padding: 1px 7px;
  border-radius: 999px;
  border: 1px solid var(--rule);
  letter-spacing: 0;
}
.tab-count.danger  { background: color-mix(in oklab, var(--danger) 14%, var(--paper)); color: var(--danger); border-color: var(--danger); }
.tab-count.amber   { background: color-mix(in oklab, var(--gold) 18%, var(--paper));   color: var(--warn);   border-color: var(--gold); }
.tab-count.neutral { background: var(--paper); color: var(--ink-3); }

/* ── BOOK CARD ─────────────────────────────────────── */
.book-card {
  display: flex; flex-direction: column;
  background: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 18px;
  text-decoration: none;
  color: inherit;
  transition: border-color .15s, box-shadow .2s, transform .15s;
  position: relative;
  box-shadow: var(--shadow-soft);
}
.book-card:hover {
  border-color: var(--ink);
  box-shadow: 3px 3px 0 var(--rule), var(--shadow);
  transform: translate(-1px, -1px);
}
.book-card.out-of-stock {
  opacity: .7;
  background: var(--paper-2);
}
.book-card::after { content: none; }
.book-card h3, .book-card .font-bold {
  font-family: var(--font-display) !important;
  color: var(--ink) !important;
}

/* ── BOOK SPINE (decorative book mark) ─────────────── */
.book-spine {
  width: 48px; height: 64px;
  border-radius: 1px 3px 3px 1px;
  background: linear-gradient(135deg, var(--accent), #4a1815);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold-2);
  font-size: 22px;
  flex-shrink: 0;
  position: relative;
  box-shadow:
    inset 3px 0 0 rgba(0,0,0,.25),
    inset -1px 0 0 rgba(255,255,255,.08),
    inset 0 1px 0 rgba(255,255,255,.1),
    2px 2px 0 var(--rule);
  border: 1px solid var(--ink);
}
.book-spine::before {
  content: "";
  position: absolute; top: 5px; left: 9px; right: 4px; bottom: 5px;
  border: 1px solid var(--gold-2);
  opacity: .6;
  border-radius: 1px;
  pointer-events: none;
}

/* ── CATEGORY PILL ─────────────────────────────────── */
.category-pill {
  display: inline-flex; align-items: center;
  padding: 4px 14px;
  border-radius: 999px;
  font-family: var(--font-serif);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .04em;
  text-decoration: none;
  transition: all .15s;
  border: 1px solid var(--rule);
  white-space: nowrap;
  background: var(--paper);
  color: var(--ink-2);
}
.category-pill:hover { background: var(--paper-2); color: var(--ink); }
.category-pill.all   { background: var(--paper); color: var(--ink-3); border-color: var(--rule); }
.category-pill.all.active,
.category-pill.all:hover {
  background: var(--ink); color: var(--paper); border-color: var(--ink);
}
.category-pill.item  { background: var(--paper); color: var(--ink-2); border-color: var(--gold); }
.category-pill.item.active,
.category-pill.item:hover {
  background: var(--accent); color: var(--paper); border-color: var(--accent);
}

/* ── BORROW QUOTA BAR ──────────────────────────────── */
.quota-bar {
  background: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 16px 18px;
  box-shadow: var(--shadow-soft);
}
.quota-dots { display: flex; gap: 6px; margin: 10px 0 10px; }
.quota-dot {
  width: 30px; height: 10px;
  border-radius: 2px;
  background: var(--paper-3);
  border: 1px solid var(--rule);
  transition: background .3s;
}
.quota-dot.used    { background: var(--accent); border-color: var(--accent); }
.quota-dot.overdue { background: var(--gold);   border-color: var(--gold); }

/* ── BOOK COVER (vintage) ──────────────────────────── */
.book-cover {
  position: relative;
  border-radius: 1px 4px 4px 1px;
  box-shadow:
    inset 4px 0 0 rgba(0,0,0,.18),
    inset -1px 0 0 rgba(255,255,255,.08),
    inset 0 1px 0 rgba(255,255,255,.1),
    var(--shadow-soft);
  overflow: hidden;
  background: var(--cover, #5a2e1a);
  color: #f0e2c3;
}
.book-cover::before {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(0,0,0,.4) 0%, transparent 8%, transparent 92%, rgba(0,0,0,.15) 100%),
    var(--noise);
  background-size: auto, 140px 140px;
  pointer-events: none;
  opacity: .8;
  mix-blend-mode: multiply;
}

/* ── PAPER CARD (utility) ─────────────────────────── */
.paper {
  background: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 24px;
  box-shadow: var(--shadow);
  position: relative;
}

/* ── EMPTY STATE ───────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 64px 24px;
  color: var(--ink-3);
  font-family: var(--font-serif);
}
.empty-state-icon {
  font-size: 52px;
  color: var(--gold);
  margin-bottom: 14px;
  line-height: 1;
}
.empty-state h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  color: var(--ink-2);
  margin-bottom: 6px;
}
.empty-state p {
  font-size: 14px;
  font-style: italic;
  color: var(--ink-3);
}

/* ── SCROLLBAR ─────────────────────────────────────── */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--paper); }
::-webkit-scrollbar-thumb { background: var(--rule); border: 2px solid var(--paper); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-3); }

/* ── HEADER / FOOTER bar trims ─────────────────────── */
header.bg-white,
header.sticky {
  background: var(--paper-soft) !important;
  border-bottom: 1px solid var(--rule) !important;
  box-shadow: 0 1px 0 var(--paper-3) !important;
}
footer.bg-white {
  background: var(--paper-2) !important;
  border-top: 1px solid var(--rule) !important;
}

/* ══════════════════════════════════════════════════════
   SIDEBAR LAYOUT  (post-login dashboard shell)
   ══════════════════════════════════════════════════════ */
.app-frame {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 240px 1fr;
}
.sidebar {
  background: var(--paper-3);
  border-right: 1px solid var(--rule);
  padding: 28px 18px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule);
}
.brand-text {
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.15;
  color: var(--ink);
}
.brand-text small {
  display: block;
  font-family: var(--font-serif);
  font-size: 9.5px;
  letter-spacing: .28em;
  color: var(--ink-3);
  text-transform: uppercase;
  margin-top: 3px;
}

.nav-section { margin: 16px 0; }
.nav-label {
  font-family: var(--font-serif);
  font-size: 9.5px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding: 0 10px 8px;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px;
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--ink-2);
  cursor: pointer;
  border-radius: 2px;
  margin-bottom: 1px;
  transition: background .12s;
  border-left: 2px solid transparent;
  text-decoration: none;
}
.nav-item:hover { background: color-mix(in oklab, var(--paper) 60%, transparent); color: var(--ink); }
.nav-item.active {
  background: var(--paper);
  border-left-color: var(--accent);
  color: var(--ink);
  font-weight: 500;
}
.nav-item.disabled { opacity: .4; cursor: not-allowed; pointer-events: none; }
.nav-ico { width: 18px; text-align: center; opacity: .8; font-size: 13px; color: var(--gold); }
.nav-badge {
  margin-left: auto;
  background: var(--accent);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 10px;
  padding: 1px 7px;
  border-radius: 999px;
  font-weight: 600;
}
.nav-badge.muted {
  background: var(--paper-2);
  color: var(--ink-3);
  border: 1px solid var(--rule);
  font-weight: 500;
  font-size: 9px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.sidebar-quote {
  margin-top: 28px;
  padding: 14px;
  background: var(--paper);
  border: 1px solid var(--rule);
  font-family: var(--font-serif);
  font-size: 12px;
  line-height: 1.55;
  color: var(--ink-3);
  text-align: center;
}
.sidebar-quote-mark { color: var(--gold); font-size: 14px; margin-bottom: 6px; }
.sidebar-quote em { color: var(--ink-2); font-style: italic; }
.sidebar-quote-by { margin-top: 6px; opacity: .7; }

/* Logout — placed at the bottom of the sidebar, separated by a thin rule */
.sidebar-foot {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--rule);
}
.nav-logout {
  color: var(--ink-3);
}
.nav-logout .nav-ico { color: var(--ink-3); }
.nav-logout:hover {
  background: color-mix(in oklab, var(--danger, #a23a2a) 10%, transparent);
  color: var(--danger, #a23a2a);
  border-left-color: var(--danger, #a23a2a);
}
.nav-logout:hover .nav-ico { color: var(--danger, #a23a2a); }

/* main content area (next to sidebar) */
.main-area {
  padding: 36px 48px;
  max-width: 1400px;
}

/* topbar at the top of each page */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule);
}
.crumb {
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 4px;
}
.topbar h1 {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 500;
  line-height: 1.1;
  margin-top: 2px;
}
.topbar .subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-3);
  margin-top: 4px;
  font-size: 14.5px;
}

/* topbar icons + user chip */
.icon-btn {
  width: 38px; height: 38px;
  display: inline-grid; place-items: center;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink-2);
  cursor: pointer;
  border-radius: 2px;
  position: relative;
  font-size: 17px;
  text-decoration: none;
  transition: background .12s;
}
.icon-btn:hover { background: var(--paper-2); color: var(--ink); }
.icon-btn .dot {
  position: absolute; top: 6px; right: 6px;
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  border: 1px solid var(--paper);
}
.user-chip {
  display: flex; align-items: center; gap: 10px;
  padding: 4px 14px 4px 4px;
  border: 1px solid var(--rule);
  background: var(--paper);
  text-decoration: none;
  color: var(--ink);
  border-radius: 2px;
  transition: background .12s;
}
.user-chip:hover { background: var(--paper-2); }
.user-chip .who { line-height: 1.1; }
.user-chip .who .name { font-family: var(--font-serif); font-size: 13.5px; color: var(--ink); }
.user-chip .who .id   { font-family: var(--font-serif); font-size: 10.5px; color: var(--ink-3); letter-spacing: .08em; }

/* Hero banner (used on dashboard) */
.hero-banner {
  background: linear-gradient(135deg, var(--accent) 0%, var(--ink-2) 100%);
  color: var(--paper);
  padding: 32px 36px;
  margin-bottom: 28px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: 2px;
  box-shadow: var(--shadow);
}
.hero-banner::after {
  content: "❦";
  position: absolute;
  top: -40px; right: -10px;
  font-family: var(--font-display);
  font-size: 320px;
  line-height: 0.8;
  color: var(--gold-2);
  opacity: .18;
  pointer-events: none;
  user-select: none;
}
.hero-eyebrow {
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--gold-2);
  margin-bottom: 10px;
}
.hero-banner h2 {
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 500;
  margin: 0 0 10px;
  position: relative;
}
.hero-banner p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--paper-2);
  line-height: 1.6;
  margin: 0 0 18px;
  max-width: 600px;
  position: relative;
}

/* Quick action tile (4-cell grid on dashboard right column) */
.qa-tile {
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 18px 14px;
  cursor: pointer;
  text-align: center;
  transition: background .12s, transform .12s;
  text-decoration: none;
  color: var(--ink);
  display: block;
  border-radius: 2px;
}
.qa-tile:hover { background: var(--paper-2); transform: translateY(-1px); }
.qa-tile-ico { font-size: 22px; color: var(--gold); margin-bottom: 6px; line-height: 1; }
.qa-tile-label { font-family: var(--font-serif); font-size: 14px; color: var(--ink); }

/* Category list row inside paper card */
.cat-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px dashed var(--rule);
  font-family: var(--font-serif);
  color: var(--ink);
  text-decoration: none;
  cursor: pointer;
}
.cat-row:last-child { border-bottom: 0; }
.cat-row:hover { background: var(--paper-2); }
.cat-row .cat-ico { color: var(--gold); font-size: 18px; width: 24px; text-align: center; }
.cat-row .cat-name { flex: 1; font-size: 14px; color: var(--ink); }
.cat-row .cat-count { color: var(--ink-3); font-size: 12px; font-style: italic; }

/* Status pill (used on dashboard borrow rows) */
.status-pill {
  display: inline-flex;
  padding: 2px 10px;
  font-family: var(--font-serif);
  font-size: 12px;
  border-radius: 2px;
  letter-spacing: .04em;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink-2);
}
.status-active { background: color-mix(in oklab, var(--teal) 12%, var(--paper)); color: var(--teal); border-color: var(--teal); }
.status-overdue { background: color-mix(in oklab, var(--danger) 12%, var(--paper)); color: var(--danger); border-color: var(--danger); }
.status-requested { background: color-mix(in oklab, var(--gold) 18%, var(--paper)); color: var(--warn); border-color: var(--gold); }
.status-returned { background: color-mix(in oklab, var(--leaf) 12%, var(--paper)); color: var(--leaf); border-color: var(--leaf); }

/* mobile collapse */
@media (max-width: 900px) {
  .app-frame { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .main-area { padding: 24px 18px; }
}

/* ── ANIMATIONS ────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up   { animation: fadeUp .35s ease both; }
.fade-up-2 { animation: fadeUp .35s .08s ease both; }
.fade-up-3 { animation: fadeUp .35s .16s ease both; }

/* ── MOBILE ────────────────────────────────────────── */
@media (max-width: 640px) {
  .hide-sm { display: none; }
  .stat-value { font-size: 26px; }
  .book-card { padding: 14px; }
}

/* ── MISC fixes for stray template colors ──────────── */
.text-white       { color: var(--paper) !important; }
.from-emerald-200 { --tw-gradient-from: var(--paper-2) !important; }
.text-emerald-200 { color: var(--paper-2) !important; }
.text-emerald-400 { color: var(--gold) !important; }

/* In gradient panels (login hero), keep text bright on dark */
.bg-gradient-to-br.from-emerald-600 .text-white,
.bg-gradient-to-r.from-emerald-600 .text-white {
  color: var(--paper) !important;
}
.bg-gradient-to-br.from-emerald-600 h1,
.bg-gradient-to-br.from-emerald-600 h2 {
  color: var(--paper) !important;
}