/* ============================================================
   NEU LIBRARY VISITOR LOG SYSTEM — style.css
   Color Theme: Crimson (#8B0000), Gold (#D4AF37)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700&family=DM+Sans:wght@300;400;500;600&display=swap');

/* ── CSS Variables ───────────────────────────────────────── */
:root {
  --primary:      #8B0000;
  --primary-light:#B22222;
  --primary-dark: #5C0000;
  --secondary:    #D4AF37;
  --secondary-light:#E8C84A;
  --accent:       #1F2937;
  --bg:           #F9FAFB;
  --bg2:          #FFFFFF;
  --bg3:          #F3F4F6;
  --text:         #111827;
  --text2:        #4B5563;
  --text3:        #9CA3AF;
  --border:       rgba(0,0,0,0.08);
  --shadow:       0 4px 24px rgba(139,0,0,0.10);
  --shadow-lg:    0 12px 40px rgba(139,0,0,0.15);
  --glass:        rgba(255,255,255,0.72);
  --glass-border: rgba(255,255,255,0.4);
  --radius:       14px;
  --radius-sm:    8px;
  --radius-lg:    20px;
  --transition:   0.22s cubic-bezier(.4,0,.2,1);
}

body.dark {
  --bg:           #0D0F14;
  --bg2:          #161A23;
  --bg3:          #1E2330;
  --text:         #F1F5F9;
  --text2:        #94A3B8;
  --text3:        #475569;
  --border:       rgba(255,255,255,0.07);
  --shadow:       0 4px 24px rgba(0,0,0,0.35);
  --shadow-lg:    0 12px 40px rgba(0,0,0,0.5);
  --glass:        rgba(22,26,35,0.82);
  --glass-border: rgba(255,255,255,0.08);
}

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
}

a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-light); }

img { max-width: 100%; }

/* ── Typography ───────────────────────────────────────────── */
h1, h2, h3 { font-family: 'Playfair Display', serif; line-height: 1.25; }
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h2 { font-size: clamp(1.3rem, 3vw, 1.9rem); }
h3 { font-size: 1.15rem; }

/* ── Utility ──────────────────────────────────────────────── */
.hidden    { display: none !important; }
.sr-only   { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ── Spinner ──────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  font-family: 'DM Sans', sans-serif;
  font-size: .92rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn:disabled { opacity: .6; cursor: not-allowed; }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  box-shadow: 0 4px 14px rgba(139,0,0,0.3);
}
.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(139,0,0,0.4);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
  color: var(--accent);
  box-shadow: 0 4px 14px rgba(212,175,55,0.3);
}
.btn-secondary:hover:not(:disabled) { transform: translateY(-2px); }

.btn-ghost {
  background: transparent;
  color: var(--text2);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg3); color: var(--text); }

.btn-danger  { background: #DC2626; color: #fff; }
.btn-danger:hover:not(:disabled) { background: #B91C1C; }
.btn-success { background: #059669; color: #fff; }
.btn-success:hover:not(:disabled) { background: #047857; }

.btn-sm { padding: 7px 14px; font-size: .82rem; }
.btn-lg { padding: 14px 32px; font-size: 1rem; }
.btn-block { width: 100%; }
.btn-icon { padding: 8px; border-radius: var(--radius-sm); }

/* ── Form Elements ────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

label {
  font-size: .85rem;
  font-weight: 500;
  color: var(--text2);
  letter-spacing: .3px;
}

.input-wrap { position: relative; }

input, select, textarea {
  width: 100%;
  padding: 11px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg2);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: .93rem;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  outline: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(139,0,0,0.12);
}

input::placeholder { color: var(--text3); }

select { cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 7L11 1' stroke='%239CA3AF' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.toggle-pw {
  position: absolute;
  right: 12px; top: 50%;
  transform: translateY(-50%);
  background: none; border: none;
  cursor: pointer;
  color: var(--text3);
  transition: color var(--transition);
  display: flex; align-items: center;
  padding: 4px;
}
.toggle-pw:hover { color: var(--text); }

.input-icon { position: relative; }
.input-icon input { padding-left: 42px; }
.input-icon .icon {
  position: absolute;
  left: 14px; top: 50%;
  transform: translateY(-50%);
  color: var(--text3);
  pointer-events: none;
}

/* ── Error / Success messages ─────────────────────────────── */
.error-msg {
  display: none;
  background: rgba(220,38,38,0.1);
  border: 1px solid rgba(220,38,38,0.25);
  color: #DC2626;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: .85rem;
  margin-top: 4px;
}
.success-msg {
  display: none;
  background: rgba(5,150,105,0.1);
  border: 1px solid rgba(5,150,105,0.25);
  color: #059669;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: .85rem;
}

/* ── Card ─────────────────────────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: background var(--transition), border-color var(--transition);
}
.card-glass {
  background: var(--glass);
  backdrop-filter: blur(16px) saturate(1.6);
  -webkit-backdrop-filter: blur(16px) saturate(1.6);
  border: 1px solid var(--glass-border);
}

/* ── Dark mode toggle button ──────────────────────────────── */
#dm-toggle {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 100px;
  cursor: pointer;
  width: 44px; height: 26px;
  position: relative;
  transition: background var(--transition);
  flex-shrink: 0;
}
#dm-toggle::after {
  content: '';
  position: absolute;
  left: 3px; top: 3px;
  width: 20px; height: 20px;
  background: var(--secondary);
  border-radius: 50%;
  transition: transform var(--transition);
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
body.dark #dm-toggle::after { transform: translateX(18px); }
body.dark #dm-toggle { background: var(--accent); }

/* ── Badge ────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .3px;
}
.badge-red    { background: rgba(139,0,0,0.12);  color: var(--primary); }
.badge-gold   { background: rgba(212,175,55,0.15); color: #92711f; }
.badge-green  { background: rgba(5,150,105,0.12); color: #059669; }
.badge-gray   { background: var(--bg3); color: var(--text2); }
.badge-blue   { background: rgba(59,130,246,0.12); color: #2563EB; }

/* ═══════════════════════════════════════════════════════════
   LANDING PAGE  (index.html)
   ═══════════════════════════════════════════════════════════ */
.landing {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(139,0,0,0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(212,175,55,0.10) 0%, transparent 55%),
    var(--bg);
  padding: 40px 20px;
  text-align: center;
}

.landing-logo {
  width: 90px; height: 90px;
  border-radius: 22px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 24px;
  box-shadow: 0 8px 30px rgba(139,0,0,0.3);
  font-size: 2.5rem;
}

.landing h1 { margin-bottom: 10px; }
.landing h1 span { color: var(--secondary); }
.landing p { color: var(--text2); max-width: 420px; margin: 0 auto 36px; }

.landing-btns {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.landing-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  padding: 16px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 100;
}

/* ═══════════════════════════════════════════════════════════
   AUTH PAGES  (login.html / register.html)
   ═══════════════════════════════════════════════════════════ */
.auth-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 768px) {
  .auth-page { grid-template-columns: 1fr; }
  .auth-hero  { display: none; }
}

.auth-hero {
  background:
    linear-gradient(160deg, var(--primary-dark) 0%, var(--primary) 55%, #C0392B 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 50px;
  position: relative;
  overflow: hidden;
  color: #fff;
}

.auth-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.auth-hero-inner { position: relative; z-index: 1; text-align: center; }
.auth-hero-logo {
  width: 80px; height: 80px;
  border-radius: 20px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  font-size: 2rem;
  backdrop-filter: blur(8px);
}
.auth-hero h2 { color: #fff; margin-bottom: 10px; font-size: 1.7rem; }
.auth-hero p  { color: rgba(255,255,255,0.75); font-size: .95rem; max-width: 280px; margin-left: auto; margin-right: auto; text-align: center; }

.auth-hero-features {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
}
.auth-hero-feat {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: .88rem;
  color: rgba(255,255,255,0.9);
}
.auth-hero-feat span.icon {
  width: 32px; height: 32px;
  background: rgba(255,255,255,0.15);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
}

.auth-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 30px;
  overflow-y: auto;
}

.auth-box {
  width: 100%;
  max-width: 440px;
}

.auth-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 30px;
}
.auth-header h1 { font-size: 1.6rem; }

.auth-tabs {
  display: flex;
  gap: 0;
  background: var(--bg3);
  border-radius: var(--radius-sm);
  padding: 4px;
  margin-bottom: 24px;
}
.tab-btn {
  flex: 1;
  padding: 9px 12px;
  border: none;
  background: none;
  border-radius: calc(var(--radius-sm) - 2px);
  font-family: 'DM Sans', sans-serif;
  font-size: .85rem;
  font-weight: 500;
  color: var(--text2);
  cursor: pointer;
  transition: all var(--transition);
}
.tab-btn.active {
  background: var(--bg2);
  color: var(--primary);
  box-shadow: 0 1px 6px rgba(0,0,0,0.1);
  font-weight: 600;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn .3s ease; }

@keyframes fadeIn { from { opacity:0; transform:translateY(6px); } to { opacity:1; transform:none; } }

.auth-footer-text {
  text-align: center;
  color: var(--text2);
  font-size: .88rem;
  margin-top: 20px;
}

/* QR Scanner */
.qr-scan-area { text-align: center; }
#scanner-wrap {
  display: none;
  position: relative;
  margin: 16px auto;
  max-width: 300px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 3px solid var(--primary);
  box-shadow: 0 0 0 6px rgba(139,0,0,0.15);
}
#qr-video { width: 100%; display: block; }
.scan-line {
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: var(--secondary);
  animation: scanMove 2.5s ease-in-out infinite;
  top: 0;
}
@keyframes scanMove {
  0%   { top: 10%; box-shadow: 0 0 8px var(--secondary); }
  50%  { top: 88%; box-shadow: 0 0 12px var(--secondary); }
  100% { top: 10%; box-shadow: 0 0 8px var(--secondary); }
}

/* ═══════════════════════════════════════════════════════════
   REGISTER PAGE
   ═══════════════════════════════════════════════════════════ */
.register-steps {
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
  position: relative;
}
.register-steps::before {
  content: '';
  position: absolute;
  left: 20px; right: 20px;
  top: 16px;
  height: 2px;
  background: var(--border);
  z-index: 0;
}
.step-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  position: relative;
  z-index: 1;
}
.step-num {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--bg3);
  border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem;
  font-weight: 600;
  color: var(--text3);
  transition: all var(--transition);
}
.step-item.active   .step-num { background: var(--primary); border-color: var(--primary); color: #fff; }
.step-item.done     .step-num { background: #059669; border-color: #059669; color: #fff; }
.step-label { font-size: .72rem; color: var(--text3); font-weight: 500; }
.step-item.active .step-label { color: var(--primary); }

.step-form { display: none; }
.step-form.active { display: block; animation: fadeIn .3s ease; }

/* ═══════════════════════════════════════════════════════════
   VISITOR DASHBOARD
   ═══════════════════════════════════════════════════════════ */
.visitor-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}
@media (max-width: 900px) {
  .visitor-layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .sidebar.open { display: flex; position: fixed; z-index: 200; left: 0; top: 0; bottom: 0; width: 240px; }
}

.sidebar {
  background: var(--accent);
  display: flex;
  flex-direction: column;
  padding: 24px 0;
  position: fixed;
  top: 0; bottom: 0;
  width: 240px;
  z-index: 50;
  transition: background var(--transition);
}
body.dark .sidebar { background: var(--bg2); border-right: 1px solid var(--border); }

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-logo .logo-icon {
  width: 40px; height: 40px;
  background: var(--primary);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(139,0,0,0.4);
}
.sidebar-logo span { color: #fff; font-weight: 600; font-size: .9rem; line-height: 1.3; }

.sidebar-nav { flex: 1; padding: 16px 12px; display: flex; flex-direction: column; gap: 4px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.6);
  cursor: pointer;
  transition: all var(--transition);
  font-size: .9rem;
  font-weight: 500;
  border: none;
  background: none;
  text-align: left;
  width: 100%;
}
.nav-item:hover { background: rgba(255,255,255,0.08); color: #fff; }
.nav-item.active { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(139,0,0,0.35); }
.nav-item svg { flex-shrink: 0; width: 18px; height: 18px; }

.sidebar-footer { padding: 16px 12px 0; border-top: 1px solid rgba(255,255,255,0.08); }

.visitor-main {
  margin-left: 240px;
  padding: 28px 32px;
  min-height: 100vh;
}
@media (max-width: 900px) { .visitor-main { margin-left: 0; padding: 16px; } }

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 12px;
  flex-wrap: wrap;
}
.top-bar-right { display: flex; align-items: center; gap: 12px; }

.user-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: .9rem;
  flex-shrink: 0;
}

.page-section { display: none; animation: fadeIn .3s ease; }
.page-section.active { display: block; }

/* ── Visit Form Card ──────────────────────────────────────── */
.visit-form-card {
  max-width: 640px;
  margin: 0 auto;
}
.visit-form-card .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 600px) { .visit-form-card .form-row { grid-template-columns: 1fr; } }

.purpose-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
  margin-top: 4px;
}
.purpose-option {
  cursor: pointer;
  user-select: none;
}
.purpose-option input { display: none; }
.purpose-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 14px 10px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border);
  background: var(--bg3);
  font-size: .83rem;
  font-weight: 500;
  color: var(--text2);
  transition: all var(--transition);
  text-align: center;
  cursor: pointer;
}
.purpose-label .p-icon { font-size: 1.5rem; }
.purpose-option input:checked + .purpose-label {
  border-color: var(--primary);
  background: rgba(139,0,0,0.07);
  color: var(--primary);
}
.purpose-option:hover .purpose-label { border-color: var(--primary-light); }

/* Welcome modal */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center;
  z-index: 500;
  backdrop-filter: blur(4px);
}
.modal-overlay.hidden { display: none; }
.welcome-modal {
  background: var(--bg2);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  text-align: center;
  max-width: 420px;
  width: 90%;
  animation: popIn .4s cubic-bezier(.34,1.56,.64,1);
  box-shadow: var(--shadow-lg);
}
@keyframes popIn {
  from { transform: scale(.8); opacity: 0; }
  to   { transform: scale(1);  opacity: 1; }
}
.welcome-icon {
  width: 72px; height: 72px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  margin: 0 auto 20px;
  box-shadow: 0 8px 24px rgba(139,0,0,0.3);
}
.welcome-modal h2 { margin-bottom: 8px; }
.welcome-modal p  { color: var(--text2); margin-bottom: 28px; font-size: .95rem; }
.visit-time-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(5,150,105,0.1);
  color: #059669;
  padding: 8px 16px;
  border-radius: 100px;
  font-size: .88rem;
  font-weight: 600;
  margin-bottom: 24px;
}

/* ── Visit History ────────────────────────────────────────── */
.history-table-wrap { overflow-x: auto; border-radius: var(--radius); }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
}
thead th {
  background: var(--bg3);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  font-size: .78rem;
  letter-spacing: .5px;
  text-transform: uppercase;
  color: var(--text2);
  white-space: nowrap;
}
tbody tr { border-bottom: 1px solid var(--border); transition: background var(--transition); }
tbody tr:hover { background: var(--bg3); }
tbody td { padding: 13px 16px; color: var(--text); vertical-align: middle; }

/* ── QR Page ──────────────────────────────────────────────── */
.qr-page { text-align: center; max-width: 360px; margin: 0 auto; }
#qr-container {
  display: flex; align-items: center; justify-content: center;
  margin: 24px auto;
  padding: 20px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: fit-content;
}

/* ═══════════════════════════════════════════════════════════
   ADMIN DASHBOARD
   ═══════════════════════════════════════════════════════════ */
.admin-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}
@media (max-width: 1024px) {
  .admin-layout { grid-template-columns: 1fr; }
  .admin-sidebar { display: none; }
}

.admin-sidebar {
  background: var(--accent);
  position: fixed;
  top: 0; bottom: 0;
  width: 260px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  z-index: 50;
}
body.dark .admin-sidebar { background: var(--bg2); border-right: 1px solid var(--border); }

.admin-sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.admin-sidebar-logo {
  display: flex; align-items: center; gap: 12px; margin-bottom: 4px;
}
.admin-sidebar-logo .logo-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 4px 14px rgba(139,0,0,0.4);
}
.admin-sidebar-logo .logo-text { color: #fff; }
.admin-sidebar-logo .logo-text strong { display: block; font-size: .95rem; }
.admin-sidebar-logo .logo-text span { font-size: .75rem; opacity: .6; }

.admin-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(212,175,55,0.2);
  color: var(--secondary);
  padding: 4px 10px;
  border-radius: 100px;
  font-size: .72rem;
  font-weight: 600;
  margin-top: 10px;
}

.admin-nav { padding: 16px 12px; flex: 1; display: flex; flex-direction: column; gap: 2px; }

.admin-nav-section {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  padding: 14px 14px 6px;
}

.admin-main {
  margin-left: 260px;
  padding: 28px 32px;
  min-height: 100vh;
}
@media (max-width: 1024px) { .admin-main { margin-left: 0; padding: 16px; } }

/* ── Stats Cards ──────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}
.stat-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 12px;
}
.stat-value {
  font-family: 'Playfair Display', serif;
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label { font-size: .8rem; color: var(--text2); font-weight: 500; }
.stat-change {
  font-size: .75rem;
  display: flex; align-items: center; gap: 3px;
  margin-top: 8px;
}
.stat-change.up   { color: #059669; }
.stat-change.down { color: #DC2626; }

/* ── Charts ───────────────────────────────────────────────── */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}
@media (max-width: 900px) { .charts-grid { grid-template-columns: 1fr; } }

.chart-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.chart-card h3 { margin-bottom: 4px; font-size: 1rem; }
.chart-subtitle { font-size: .8rem; color: var(--text2); margin-bottom: 20px; }

/* ── Data Table / Search ──────────────────────────────────── */
.search-bar-wrap {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  align-items: center;
}
.search-input-wrap { position: relative; flex: 1; min-width: 220px; }
.search-input-wrap input { padding-left: 42px; }
.search-input-wrap .search-icon {
  position: absolute;
  left: 14px; top: 50%;
  transform: translateY(-50%);
  color: var(--text3);
  pointer-events: none;
}

.filters-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  align-items: center;
}
.filters-row select { min-width: 150px; }
.filters-row input[type="date"] { min-width: 150px; }

.table-actions {
  display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end;
  margin-bottom: 12px;
}

.table-container { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }

/* ── Pagination ───────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  font-size: .85rem;
  color: var(--text2);
  flex-wrap: wrap;
  gap: 10px;
}
.page-btns { display: flex; gap: 4px; }
.page-btn {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg2);
  color: var(--text);
  cursor: pointer;
  font-size: .85rem;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.page-btn:hover { background: var(--bg3); }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ── Heatmap ──────────────────────────────────────────────── */
.heatmap-grid {
  display: grid;
  grid-template-columns: 60px repeat(24,1fr);
  gap: 3px;
  font-size: .72rem;
}
.heatmap-cell {
  height: 24px;
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  color: transparent;
  font-size: .65rem;
  transition: all var(--transition);
}
.heatmap-cell:hover { color: #fff; cursor: default; }
.heat-0  { background: var(--bg3); }
.heat-1  { background: rgba(139,0,0,0.15); }
.heat-2  { background: rgba(139,0,0,0.3); }
.heat-3  { background: rgba(139,0,0,0.5); }
.heat-4  { background: rgba(139,0,0,0.7); }
.heat-5  { background: var(--primary); }

/* ── Toast Notification ───────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  background: var(--accent);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: .88rem;
  box-shadow: 0 6px 24px rgba(0,0,0,0.3);
  animation: slideUp .3s ease forwards;
  display: flex; align-items: center; gap: 10px;
  max-width: 320px;
}
body.dark .toast { background: var(--bg3); }
.toast.success { border-left: 4px solid #059669; }
.toast.error   { border-left: 4px solid #DC2626; }
.toast.info    { border-left: 4px solid #3B82F6; }
@keyframes slideUp { from { opacity:0; transform:translateY(16px); } to { opacity:1; transform:none; } }

/* ── Loading Overlay ──────────────────────────────────────── */
.loading-overlay {
  position: fixed; inset: 0;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  z-index: 9998;
  flex-direction: column; gap: 16px;
  transition: opacity .4s;
}
.loading-overlay.hidden { opacity: 0; pointer-events: none; }
.loading-logo { font-size: 3rem; animation: pulse 1.5s ease-in-out infinite; }
@keyframes pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.08); } }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 600px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .auth-box   { max-width: 100%; }
}

/* ── Confirm Dialog ───────────────────────────────────────── */
.confirm-dialog {
  background: var(--bg2);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 380px;
  width: 90%;
  box-shadow: var(--shadow-lg);
  animation: popIn .3s cubic-bezier(.34,1.56,.64,1);
}
.confirm-dialog h3 { margin-bottom: 10px; }
.confirm-dialog p  { color: var(--text2); font-size: .9rem; margin-bottom: 24px; }
.confirm-actions   { display: flex; gap: 10px; justify-content: flex-end; }

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar       { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 100px; }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }