/* ─── CSS Variables ─────────────────────────────────────────────────────── */
:root {
  --accent:      #10B981;
  --accent-2:    #059669;
  --glitch:      #EF4444;
  --featured:    #F59E0B;
  --bg:          #F8FAFC;
  --bg-card:     #FFFFFF;
  --bg-nav:      #FFFFFF;
  --text:        #0F172A;
  --text-muted:  #64748B;
  --border:      #E2E8F0;
  --shadow:      0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:   0 4px 12px rgba(0,0,0,.09);
  --radius:      12px;
  --radius-sm:   6px;
  --nav-h:       58px;
  --filter-h:    48px;
}
html[data-theme="dark"] {
  --bg:          #0F172A;
  --bg-card:     #1E293B;
  --bg-nav:      #1E293B;
  --text:        #F1F5F9;
  --text-muted:  #94A3B8;
  --border:      #334155;
  --shadow:      0 1px 3px rgba(0,0,0,.25);
  --shadow-md:   0 4px 12px rgba(0,0,0,.4);
}

/* ─── Reset ─────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
  transition: background .2s, color .2s;
  min-height: 100vh;
}
a { color: inherit; }
button { font-family: inherit; }

/* ─── Nav ───────────────────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: var(--bg-nav);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 1.25rem;
  gap: .875rem;
  box-shadow: var(--shadow);
}
.nav-logo {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: -.5px;
  flex-shrink: 0;
}
.nav-logo span { color: var(--text); }
.search-wrap {
  flex: 1;
  max-width: 460px;
  position: relative;
}
.search-wrap input {
  width: 100%;
  padding: .5rem 1rem .5rem 2.25rem;
  border: 1.5px solid var(--border);
  border-radius: 99px;
  background: var(--bg);
  color: var(--text);
  font-size: .875rem;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.search-wrap input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(16,185,129,.14);
}
.search-icon {
  position: absolute;
  left: .7rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}
.nav-actions { display: flex; gap: .25rem; margin-left: auto; }
.icon-btn {
  width: 36px; height: 36px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: 99px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s, color .15s;
}
.icon-btn:hover { background: var(--border); color: var(--text); }
.icon-btn.active { color: var(--accent); }

/* ─── Filter Bar ────────────────────────────────────────────────────────── */
.filters {
  position: sticky;
  top: var(--nav-h);
  z-index: 90;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 0 1.25rem;
  height: var(--filter-h);
  display: flex;
  align-items: center;
  gap: .4rem;
  overflow-x: auto;
  scrollbar-width: none;
}
.filters::-webkit-scrollbar { display: none; }
.filter-pill {
  padding: .3rem .8rem;
  border-radius: 99px;
  border: 1.5px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: .8125rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all .15s;
  display: inline-flex; align-items: center; gap: .3rem;
  text-decoration: none;
}
.filter-pill:hover { border-color: var(--accent); color: var(--accent); }
.filter-pill.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.filter-sep { width: 1px; height: 18px; background: var(--border); flex-shrink: 0; margin: 0 .15rem; }
.sort-select {
  margin-left: auto;
  flex-shrink: 0;
  padding: .3rem .7rem;
  border: 1.5px solid var(--border);
  border-radius: 99px;
  background: var(--bg-card);
  color: var(--text);
  font-size: .8125rem;
  cursor: pointer;
  outline: none;
  min-width: 130px;
}

/* ─── Page Layout ───────────────────────────────────────────────────────── */
.page-wrap { display: flex; align-items: flex-start; }
.page-wrap > main { flex: 1; min-width: 0; padding: 1.5rem 1.25rem; max-width: none; margin: 0; }

/* ─── Sidebar ───────────────────────────────────────────────────────────── */
.sidebar {
  width: 228px;
  flex-shrink: 0;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  position: sticky;
  top: var(--nav-h);
  height: calc(100vh - var(--nav-h));
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.sidebar-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1rem .75rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg-card);
  z-index: 1;
}
.sidebar-title { font-weight: 700; font-size: .9375rem; }
.sidebar-close { display: none; }
.sidebar-body { padding: 1rem; }
.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 149;
}
.sidebar-overlay.open { display: block; }

/* Sidebar sections */
.sb-section { margin-bottom: 1.375rem; }
.sb-label {
  display: block;
  font-size: .6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--text-muted);
  margin-bottom: .5rem;
}
.sb-label-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: .5rem; }
.sb-label-row .sb-label { margin-bottom: 0; }
.pct-badge {
  font-size: .75rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(16,185,129,.12);
  padding: .1rem .45rem;
  border-radius: 4px;
}
.sb-cats { display: flex; flex-direction: column; gap: .2rem; }
.sb-cats .filter-pill {
  justify-content: flex-start;
  width: 100%;
  border-radius: 8px;
  text-align: left;
}
.sb-hint { font-size: .7rem; color: var(--text-muted); margin-top: .375rem; line-height: 1.45; }

/* Sort select in sidebar */
.sidebar .sort-select { width: 100%; margin-left: 0; }

/* ─── Percent-off slider ────────────────────────────────────────────────── */
.pct-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  background: var(--border);
  border-radius: 99px;
  outline: none;
  cursor: pointer;
  margin: .375rem 0 .2rem;
  display: block;
}
.pct-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 0 0 3px rgba(16,185,129,.22);
  transition: box-shadow .15s;
}
.pct-slider::-webkit-slider-thumb:hover { box-shadow: 0 0 0 5px rgba(16,185,129,.28); }
.pct-slider::-moz-range-thumb {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  cursor: pointer;
}
.pct-ticks { display: flex; justify-content: space-between; font-size: .6875rem; color: var(--text-muted); }

/* ─── Lowest-price badge ────────────────────────────────────────────────── */
.badge-lowest {
  position: absolute;
  top: .5rem; right: .5rem;
  background: #7C3AED;
  color: #fff;
  font-size: .595rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .4px;
  padding: .2rem .45rem;
  border-radius: 5px;
  white-space: nowrap;
  pointer-events: none;
}

/* Mobile filter button (hidden on desktop) */
.filter-fab { display: none; }

/* ─── Main + Grid ───────────────────────────────────────────────────────── */
main { max-width: 1440px; margin: 0 auto; padding: 1.5rem 1.25rem; }
.deals-header { display: flex; align-items: center; margin-bottom: 1.125rem; }
.deals-count { color: var(--text-muted); font-size: .8375rem; }
.deals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}

/* ─── Deal Card ─────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform .15s, box-shadow .15s;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.card-img-wrap { position: relative; background: var(--bg); aspect-ratio: 16/10; overflow: hidden; }
.card-img-wrap img {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: .75rem;
}
.card-img-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.75rem;
  color: var(--border);
}
.card-badges {
  position: absolute; top: .5rem; left: .5rem;
  display: flex; flex-direction: column; gap: .3rem;
}
.badge {
  display: inline-block;
  padding: .2rem .5rem;
  border-radius: 5px;
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .3px;
  text-transform: uppercase;
}
.badge-pct      { background: var(--accent);  color: #fff; }
.badge-glitch   { background: var(--glitch);  color: #fff; }
.badge-featured { background: var(--featured); color: #fff; }

.card-body {
  padding: .875rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.card-meta {
  display: flex; align-items: center; justify-content: space-between;
  font-size: .75rem; color: var(--text-muted);
}
.card-store { font-weight: 500; }
.card-cat {
  font-size: .7rem;
  background: var(--bg);
  border: 1px solid var(--border);
  padding: .15rem .45rem;
  border-radius: 4px;
}
.card-title {
  font-size: .9rem;
  font-weight: 600;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
}
.card-prices { display: flex; align-items: baseline; gap: .5rem; margin-top: .1rem; }
.price-now  { font-size: 1.2rem; font-weight: 700; color: var(--accent); }
.price-orig { font-size: .8375rem; color: var(--text-muted); text-decoration: line-through; }

.card-footer {
  padding: .625rem .875rem;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  gap: .5rem;
}
.timer {
  font-size: .75rem; color: var(--text-muted);
  display: flex; align-items: center; gap: .25rem;
}
.timer.urgent { color: var(--glitch); font-weight: 600; }
.btn-deal {
  padding: .38rem .9rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 99px;
  font-size: .8125rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s, transform .1s;
  display: inline-flex; align-items: center; gap: .3rem;
  white-space: nowrap;
}
.btn-deal:hover { background: var(--accent-2); transform: scale(1.03); }

/* ─── Skeleton ──────────────────────────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg,var(--border) 25%,var(--bg) 50%,var(--border) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

/* ─── Empty State ───────────────────────────────────────────────────────── */
.empty {
  grid-column: 1/-1;
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
}
.empty .emoji { font-size: 3rem; display: block; margin-bottom: 1rem; }
.empty h3 { color: var(--text); font-size: 1.125rem; margin-bottom: .5rem; }

/* ─── Toast ─────────────────────────────────────────────────────────────── */
#toasts { position: fixed; bottom: 1.25rem; right: 1.25rem; z-index: 9999; display: flex; flex-direction: column; gap: .5rem; }
.toast {
  background: var(--text);
  color: var(--bg-card);
  padding: .7rem 1.1rem;
  border-radius: var(--radius);
  font-size: .875rem;
  box-shadow: var(--shadow-md);
  animation: fadeUp .2s ease;
  max-width: 320px;
}
@keyframes fadeUp { from{opacity:0;transform:translateY(.5rem)} to{opacity:1;transform:none} }

/* ─── Modal ─────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.5);
  z-index: 200; display: flex; align-items: center; justify-content: center; padding: 1rem;
}
.modal {
  background: var(--bg-card); border-radius: var(--radius);
  padding: 2rem 1.75rem; max-width: 380px; width: 100%;
  box-shadow: var(--shadow-md); text-align: center;
}
.modal h3 { font-size: 1.125rem; margin-bottom: .5rem; }
.modal p  { color: var(--text-muted); font-size: .875rem; margin-bottom: 1.5rem; }
.modal-btns { display: flex; gap: .75rem; }

/* ─── Buttons ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .55rem 1.1rem;
  border-radius: 99px; border: 1.5px solid var(--border);
  cursor: pointer; font-size: .875rem; font-weight: 600;
  text-decoration: none; transition: all .15s; white-space: nowrap;
}
.btn-primary  { flex:1; background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover  { background: var(--accent-2); border-color: var(--accent-2); }
.btn-secondary{ flex:1; background: transparent; color: var(--text); }
.btn-secondary:hover{ background: var(--border); }

/* ─── Footer ────────────────────────────────────────────────────────────── */
footer {
  text-align: center;
  padding: 2.5rem 1.25rem 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: .8125rem;
  margin-top: 2rem;
}
footer a { color: var(--accent); text-decoration: none; }

/* ─── Urgent text (deals table) ─────────────────────────────────────────── */
.urgent-text { color: var(--glitch); font-weight: 600; }

/* ─── Admin Styles ──────────────────────────────────────────────────────── */
.admin-nav {
  height: 52px; background: var(--bg-nav);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 1.5rem; gap: 1.25rem;
  box-shadow: var(--shadow);
}
.admin-nav a { color: var(--text-muted); text-decoration: none; font-size: .875rem; transition: color .15s; }
.admin-nav a:hover, .admin-nav a.active { color: var(--accent); }
.admin-content { max-width: 1200px; margin: 0 auto; padding: 2rem 1.5rem; }
.page-title { font-size: 1.375rem; font-weight: 700; margin-bottom: 1.5rem; }

.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th {
  text-align: left; padding: .625rem 1rem;
  font-size: .72rem; text-transform: uppercase; letter-spacing: .5px;
  color: var(--text-muted); border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
.admin-table td { padding: .625rem 1rem; border-bottom: 1px solid var(--border); font-size: .875rem; vertical-align: middle; }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tbody tr:hover td { background: var(--bg); }

.form-group { margin-bottom: 1.125rem; }
.form-group label { display: block; margin-bottom: .35rem; font-size: .875rem; font-weight: 500; }
.form-control {
  width: 100%; padding: .5rem .75rem;
  border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg-card); color: var(--text);
  font-size: .875rem; outline: none;
  transition: border-color .15s;
}
.form-control:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(16,185,129,.12); }
textarea.form-control { resize: vertical; min-height: 80px; }
.form-control-sm { padding: .35rem .6rem; font-size: .8125rem; }

.alert { padding: .7rem 1rem; border-radius: var(--radius-sm); margin-bottom: 1rem; font-size: .875rem; }
.alert-success { background: #D1FAE5; color: #065F46; border: 1px solid #A7F3D0; }
.alert-error   { background: #FEE2E2; color: #991B1B; border: 1px solid #FCA5A5; }

.card-admin {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 1.5rem;
}

/* Toggle switch */
.toggle { display: inline-flex; align-items: center; gap: .5rem; cursor: pointer; font-size: .875rem; }
.toggle input { display: none; }
.toggle-track {
  width: 38px; height: 22px; background: var(--border);
  border-radius: 11px; position: relative; transition: background .2s; flex-shrink: 0;
}
.toggle-track::after {
  content: ''; position: absolute;
  top: 3px; left: 3px; width: 16px; height: 16px;
  background: #fff; border-radius: 50%; transition: transform .2s;
}
input:checked ~ .toggle-track { background: var(--accent); }
input:checked ~ .toggle-track::after { transform: translateX(16px); }

/* ─── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    top: 0; left: 0;
    height: 100vh;
    width: 280px;
    z-index: 150;
    transform: translateX(-100%);
    transition: transform .26s ease;
    padding-top: 0;
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-close { display: flex; }
  .filter-fab { display: flex; }
}

@media (max-width: 640px) {
  nav { padding: 0 .875rem; gap: .5rem; }
  .nav-logo { font-size: 1rem; }
  .search-wrap { max-width: none; }
  .page-wrap > main { padding: 1rem .75rem; }
  main { padding: 1rem .75rem; }
  .deals-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: .75rem; }
  .card-body { padding: .625rem; }
  .card-title { font-size: .8125rem; }
  .price-now { font-size: 1.05rem; }
  .card-footer { padding: .5rem .625rem; }
  .btn-deal { font-size: .75rem; padding: .3rem .7rem; }
}