/* ============================================================
   flats — Liquid-Glass-inspired web theme
   Adapts iOS 26 Liquid Glass aesthetics to CSS:
     - Translucent panels with backdrop-filter blur
     - Dark gradient backdrop with subtle motion
     - Soft layered shadows + chromatic borders
     - System font stack, generous whitespace
   ============================================================ */

:root {
  --bg-0: #0a0a14;
  --bg-1: #11121e;
  --bg-2: #1a1c2e;

  --glass-bg: rgba(255, 255, 255, 0.06);
  --glass-bg-hover: rgba(255, 255, 255, 0.10);
  --glass-bg-strong: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.10);
  --glass-border-strong: rgba(255, 255, 255, 0.18);
  --glass-shadow: 0 1px 0 rgba(255, 255, 255, 0.06) inset,
                  0 8px 32px rgba(0, 0, 0, 0.32);

  --text: rgba(255, 255, 255, 0.95);
  --text-muted: rgba(255, 255, 255, 0.55);
  --text-faint: rgba(255, 255, 255, 0.32);

  --accent: #7c8cff;
  --accent-2: #c47cff;
  --accent-glow: rgba(124, 140, 255, 0.42);
  --success: #4ade80;
  --warning: #fbbf24;
  --danger: #f87171;

  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  --transition: 200ms cubic-bezier(0.2, 0, 0, 1);

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-8: 48px;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter",
               "Segoe UI", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg-0);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.01em;
  overflow-x: hidden;
}

/* Animated gradient backdrop — feels like the iOS Liquid Glass landing surface */
body::before {
  content: "";
  position: fixed;
  inset: -10%;
  z-index: -2;
  background:
    radial-gradient(60% 50% at 18% 20%, rgba(124, 140, 255, 0.30), transparent 60%),
    radial-gradient(50% 50% at 82% 12%, rgba(196, 124, 255, 0.22), transparent 60%),
    radial-gradient(60% 60% at 50% 110%, rgba(74, 222, 240, 0.18), transparent 60%),
    var(--bg-0);
  filter: saturate(115%);
  animation: drift 30s ease-in-out infinite alternate;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: radial-gradient(ellipse at top, transparent 50%, var(--bg-0) 100%);
  pointer-events: none;
}

@keyframes drift {
  0%   { transform: translate(0, 0) rotate(0deg); }
  50%  { transform: translate(-2%, 2%) rotate(0.5deg); }
  100% { transform: translate(2%, -1%) rotate(-0.5deg); }
}

a { color: var(--accent); text-decoration: none; transition: opacity var(--transition); }
a:hover { opacity: 0.85; }

h1, h2, h3, h4, h5 {
  margin: 0 0 var(--space-3) 0;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--text);
}
h1 { font-size: 32px; }
h2 { font-size: 24px; }
h3 { font-size: 18px; }

p { margin: 0 0 var(--space-3) 0; color: var(--text-muted); }
small { color: var(--text-muted); font-size: 12px; }
code { font-family: "SF Mono", Menlo, monospace; font-size: 12px; color: var(--text-muted); }

/* ---------------------------------------------------------------
   Layout — sidebar + main
   --------------------------------------------------------------- */

.layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: var(--space-5);
  background: var(--glass-bg);
  backdrop-filter: blur(40px) saturate(160%);
  -webkit-backdrop-filter: blur(40px) saturate(160%);
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.sidebar .brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.02em;
  padding: var(--space-2) var(--space-3);
}
.sidebar .brand .dot {
  width: 10px; height: 10px; border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 12px var(--accent-glow);
}

.nav { display: flex; flex-direction: column; gap: var(--space-1); }
.nav a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}
.nav a:hover {
  background: var(--glass-bg);
  color: var(--text);
  opacity: 1;
}
.nav a.active {
  background: var(--glass-bg-strong);
  color: var(--text);
  box-shadow: var(--glass-shadow);
}
.nav .icon { width: 18px; height: 18px; opacity: 0.7; }

.sidebar .footer {
  margin-top: auto;
  padding: var(--space-3);
  border-top: 1px solid var(--glass-border);
}
.sidebar .footer .who { color: var(--text); font-weight: 500; font-size: 13px; }
.sidebar .footer .meta { font-size: 11px; color: var(--text-faint); margin-top: 2px; }
.sidebar .footer .logout {
  display: inline-block;
  margin-top: var(--space-3);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 12px;
  transition: var(--transition);
}
.sidebar .footer .logout:hover { color: var(--text); background: var(--glass-bg-hover); }

main.content {
  padding: var(--space-6) var(--space-8);
  max-width: 1280px;
  width: 100%;
}
main.content > header {
  margin-bottom: var(--space-6);
}
main.content > header .subtitle {
  color: var(--text-muted);
  font-size: 14px;
  margin-top: -4px;
}

/* ---------------------------------------------------------------
   Glass panel building block
   --------------------------------------------------------------- */

.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(32px) saturate(160%);
  -webkit-backdrop-filter: blur(32px) saturate(160%);
  box-shadow: var(--glass-shadow);
  padding: var(--space-5);
}
.glass h3 { margin-bottom: var(--space-3); }
.glass.compact { padding: var(--space-4); }

/* ---------------------------------------------------------------
   Forms
   --------------------------------------------------------------- */

label.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

input[type="text"],
input[type="number"],
input[type="search"],
select {
  width: 100%;
  height: 38px;
  padding: 0 var(--space-3);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  text-transform: none;
  letter-spacing: normal;
  transition: var(--transition);
}
input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--glass-bg-hover);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
input::placeholder { color: var(--text-faint); }

select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='rgba(255,255,255,0.5)' d='M7 10l5 5 5-5z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 8px center;
  padding-right: 32px;
}

button, .btn {
  height: 38px;
  padding: 0 var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border-strong);
  background: var(--glass-bg-strong);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  transition: var(--transition);
  text-decoration: none;
}
button:hover, .btn:hover {
  background: var(--glass-bg-hover);
  transform: translateY(-1px);
}
button.primary, .btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  box-shadow: 0 4px 16px var(--accent-glow);
}
button.primary:hover, .btn.primary:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.btn-row { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* ---------------------------------------------------------------
   Filter bar
   --------------------------------------------------------------- */

.filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: var(--space-3) var(--space-4);
  margin-bottom: var(--space-5);
}
.filters .submit-cell {
  align-self: end;
}

/* ---------------------------------------------------------------
   Listing card grid
   --------------------------------------------------------------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
}
.card {
  display: flex;
  flex-direction: column;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  transition: var(--transition);
  backdrop-filter: blur(30px) saturate(160%);
  -webkit-backdrop-filter: blur(30px) saturate(160%);
  box-shadow: var(--glass-shadow);
  color: var(--text);
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--glass-border-strong);
  box-shadow: 0 1px 0 rgba(255,255,255,0.08) inset, 0 14px 40px rgba(0,0,0,0.48);
  opacity: 1;
}
.card .thumb {
  position: relative;
  aspect-ratio: 4/3;
  background:
    linear-gradient(110deg,
      rgba(255,255,255,0.02) 0%,
      rgba(255,255,255,0.06) 30%,
      rgba(255,255,255,0.02) 60%
    ),
    var(--bg-2);
  background-size: 200% 100%, 100% 100%;
  animation: thumb-shimmer 1.6s linear infinite;
  overflow: hidden;
}
.card .thumb img {
  position: relative;
  z-index: 1;
  width: 100%; height: 100%; object-fit: cover;
  background: var(--bg-2);
  transition: transform 400ms ease, opacity 200ms ease;
  opacity: 0;
}
.card .thumb img:where([src]) {
  opacity: 1;
}
.card .thumb img.loaded { opacity: 1; }
@keyframes thumb-shimmer {
  to { background-position: -200% 0, 0 0; }
}
.card:hover .thumb img { transform: scale(1.04); }
.card .thumb .empty {
  display: flex; align-items: center; justify-content: center;
  width: 100%; height: 100%;
  color: var(--text-faint); font-size: 12px;
}
.card .thumb .price {
  position: absolute;
  left: var(--space-3); bottom: var(--space-3);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: rgba(10, 10, 20, 0.55);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-weight: 600;
  font-size: 14px;
}
.card .thumb .price small { color: var(--text-faint); margin-left: 6px; }
.card .thumb .badge {
  position: absolute;
  right: var(--space-3); top: var(--space-3);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(10, 10, 20, 0.55);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border: 1px solid var(--glass-border);
}
.card .body { padding: var(--space-4); display: flex; flex-direction: column; gap: 6px; }
.card .body .title { font-weight: 600; font-size: 15px; }
.card .body .place { color: var(--text-muted); font-size: 13px; }
.card .body .specs {
  display: flex; gap: var(--space-3); flex-wrap: wrap;
  margin-top: var(--space-2);
  color: var(--text-muted); font-size: 12px;
}
.card .body .specs span { display: inline-flex; align-items: center; gap: 4px; }

/* ---------------------------------------------------------------
   Stats / dashboard cards
   --------------------------------------------------------------- */

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
}
.metric {
  padding: var(--space-5);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(32px) saturate(160%);
  -webkit-backdrop-filter: blur(32px) saturate(160%);
  box-shadow: var(--glass-shadow);
}
.metric .label {
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text-muted);
}
.metric .value {
  margin-top: var(--space-2);
  font-size: 32px; font-weight: 600; letter-spacing: -0.03em;
}
.metric .secondary { font-size: 13px; color: var(--text-faint); margin-top: 4px; }

.bars { display: flex; flex-direction: column; gap: var(--space-2); }
.bar-row { display: grid; grid-template-columns: 140px 1fr 40px; align-items: center; gap: var(--space-3); }
.bar-row .name { color: var(--text); font-size: 13px; }
.bar-row .track {
  position: relative; height: 6px; border-radius: 999px;
  background: var(--glass-border);
  overflow: hidden;
}
.bar-row .fill {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: inherit;
}
.bar-row .n { color: var(--text-muted); font-size: 13px; text-align: right; }

/* ---------------------------------------------------------------
   Tables (used on detail page + runs)
   --------------------------------------------------------------- */

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table th, table td {
  text-align: left;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--glass-border);
  vertical-align: top;
}
table th {
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.06em;
}
table tr:last-child td { border-bottom: none; }
table.kv th { width: 40%; }
table.kv td { color: var(--text); }

/* ---------------------------------------------------------------
   Detail page hero + gallery
   --------------------------------------------------------------- */

.hero {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}
.hero .cover {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-2);
  aspect-ratio: 16/10;
}
.hero .cover img { width: 100%; height: 100%; object-fit: cover; }
.hero .meta { display: flex; flex-direction: column; gap: var(--space-3); }
.hero .meta .price-big {
  font-size: 36px; font-weight: 600; letter-spacing: -0.03em;
}
.hero .meta .place-big {
  color: var(--text-muted); font-size: 16px;
}
.hero .meta .quick {
  display: flex; gap: var(--space-2); flex-wrap: wrap;
}
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  font-size: 12px;
  color: var(--text-muted);
}
.chip strong { color: var(--text); font-weight: 500; }

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-2);
}
.gallery a {
  display: block;
  aspect-ratio: 1/1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--glass-border);
}
.gallery img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 400ms ease;
}
.gallery a:hover img { transform: scale(1.05); }

.section { margin-bottom: var(--space-6); }
.section > h3 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }

/* ---------------------------------------------------------------
   Pagination + alert
   --------------------------------------------------------------- */

.pagination {
  display: flex; align-items: center; justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-6);
}
.pagination .page-info { color: var(--text-muted); font-size: 13px; }

.alert {
  margin-bottom: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  background: rgba(248, 113, 113, 0.10);
  border: 1px solid rgba(248, 113, 113, 0.32);
  color: #fecaca;
  font-size: 13px;
}

/* ---------------------------------------------------------------
   Login page
   --------------------------------------------------------------- */

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: var(--space-5);
}
.login-card {
  width: min(420px, 100%);
  padding: var(--space-6);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  box-shadow: 0 1px 0 rgba(255,255,255,0.08) inset, 0 24px 60px rgba(0,0,0,0.40);
  text-align: center;
}
.login-card .brand-big {
  display: inline-flex; align-items: center; gap: var(--space-3);
  font-size: 22px; font-weight: 600; letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}
.login-card .brand-big .dot {
  width: 14px; height: 14px; border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 16px var(--accent-glow);
}
.login-card .pin-input {
  text-align: center;
  letter-spacing: 0.5em;
  font-size: 24px;
  font-weight: 500;
  height: 52px;
  margin: var(--space-3) 0;
}
.login-card .pin-form button { width: 100%; height: 44px; font-size: 15px; }
.login-card .divider {
  display: flex; align-items: center; gap: var(--space-3);
  color: var(--text-faint);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  margin: var(--space-5) 0 var(--space-4);
}
.login-card .divider::before,
.login-card .divider::after {
  content: ""; flex: 1; height: 1px;
  background: var(--glass-border);
}
.login-card .tg-wrap { display: flex; justify-content: center; }

/* ---------------------------------------------------------------
   Theme switch — auto / light / dark
   Light variables override the dark defaults when:
     - data-theme="light", or
     - data-theme="auto" AND OS prefers-color-scheme: light
   --------------------------------------------------------------- */

:root[data-theme="light"],
:root.theme-light {
  --bg-0: #f3f4ff;
  --bg-1: #ffffff;
  --bg-2: #eaecf7;

  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-bg-hover: rgba(255, 255, 255, 0.86);
  --glass-bg-strong: rgba(255, 255, 255, 0.92);
  --glass-border: rgba(15, 23, 42, 0.10);
  --glass-border-strong: rgba(15, 23, 42, 0.18);
  --glass-shadow: 0 1px 0 rgba(255, 255, 255, 0.7) inset,
                  0 8px 32px rgba(15, 23, 42, 0.10);

  --text: #0f172a;
  --text-muted: rgba(15, 23, 42, 0.66);
  --text-faint: rgba(15, 23, 42, 0.42);

  --accent: #5b6cff;
  --accent-2: #a855f7;
  --accent-glow: rgba(91, 108, 255, 0.32);
  --success: #16a34a;
  --warning: #d97706;
  --danger: #dc2626;

  color-scheme: light;
}

@media (prefers-color-scheme: light) {
  :root[data-theme="auto"] {
    --bg-0: #f3f4ff;
    --bg-1: #ffffff;
    --bg-2: #eaecf7;

    --glass-bg: rgba(255, 255, 255, 0.72);
    --glass-bg-hover: rgba(255, 255, 255, 0.86);
    --glass-bg-strong: rgba(255, 255, 255, 0.92);
    --glass-border: rgba(15, 23, 42, 0.10);
    --glass-border-strong: rgba(15, 23, 42, 0.18);
    --glass-shadow: 0 1px 0 rgba(255, 255, 255, 0.7) inset,
                    0 8px 32px rgba(15, 23, 42, 0.10);

    --text: #0f172a;
    --text-muted: rgba(15, 23, 42, 0.66);
    --text-faint: rgba(15, 23, 42, 0.42);

    --accent: #5b6cff;
    --accent-2: #a855f7;
    --accent-glow: rgba(91, 108, 255, 0.32);
    --success: #16a34a;
    --warning: #d97706;
    --danger: #dc2626;

    color-scheme: light;
  }
}

/* Light-theme tweaks for elements that can't be expressed via vars alone. */
:root[data-theme="light"] body::before,
:root[data-theme="auto"] body::before {
  background:
    radial-gradient(60% 50% at 18% 20%, rgba(91, 108, 255, 0.18), transparent 60%),
    radial-gradient(50% 50% at 82% 12%, rgba(168, 85, 247, 0.16), transparent 60%),
    radial-gradient(60% 60% at 50% 110%, rgba(74, 222, 240, 0.14), transparent 60%),
    var(--bg-0);
}
@media (prefers-color-scheme: dark) {
  :root[data-theme="auto"] body::before {
    background:
      radial-gradient(60% 50% at 18% 20%, rgba(124, 140, 255, 0.30), transparent 60%),
      radial-gradient(50% 50% at 82% 12%, rgba(196, 124, 255, 0.22), transparent 60%),
      radial-gradient(60% 60% at 50% 110%, rgba(74, 222, 240, 0.18), transparent 60%),
      var(--bg-0);
  }
}

/* Scoped overrides — light theme */
:root[data-theme="light"] select,
:root[data-theme="light"] body { background-clip: padding-box; }
:root[data-theme="light"] select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='rgba(15,23,42,0.5)' d='M7 10l5 5 5-5z'/></svg>");
}
:root[data-theme="light"] .alert {
  background: rgba(220, 38, 38, 0.08);
  border-color: rgba(220, 38, 38, 0.32);
  color: #991b1b;
}
:root[data-theme="light"] .card .thumb .price,
:root[data-theme="light"] .card .thumb .badge {
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  border-color: var(--glass-border);
}
@media (prefers-color-scheme: light) {
  :root[data-theme="auto"] select {
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='rgba(15,23,42,0.5)' d='M7 10l5 5 5-5z'/></svg>");
  }
  :root[data-theme="auto"] .alert {
    background: rgba(220, 38, 38, 0.08);
    border-color: rgba(220, 38, 38, 0.32);
    color: #991b1b;
  }
  :root[data-theme="auto"] .card .thumb .price,
  :root[data-theme="auto"] .card .thumb .badge {
    background: rgba(255, 255, 255, 0.72);
    color: var(--text);
    border-color: var(--glass-border);
  }
}

/* ---------------------------------------------------------------
   Theme switcher (sidebar footer)
   --------------------------------------------------------------- */

.theme-switch {
  display: inline-flex;
  margin-top: var(--space-3);
  padding: 3px;
  border-radius: var(--radius-pill);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  gap: 2px;
}
.theme-switch button {
  height: 28px;
  width: 36px;
  padding: 0;
  border-radius: var(--radius-pill);
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  transform: none;
}
.theme-switch button:hover { background: var(--glass-bg-hover); color: var(--text); transform: none; }
.theme-switch button[aria-pressed="true"] {
  background: var(--glass-bg-strong);
  color: var(--text);
  box-shadow: var(--glass-shadow);
}
.theme-switch svg { width: 14px; height: 14px; }

/* ---------------------------------------------------------------
   Mobile burger + slide-in sidebar
   --------------------------------------------------------------- */

.topbar {
  display: none;
  position: sticky;
  top: 0;
  z-index: 30;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--glass-bg);
  backdrop-filter: blur(32px) saturate(160%);
  -webkit-backdrop-filter: blur(32px) saturate(160%);
  border-bottom: 1px solid var(--glass-border);
}
.topbar .brand { display: flex; align-items: center; gap: var(--space-2); font-weight: 600; }
.topbar .brand .dot {
  width: 10px; height: 10px; border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 12px var(--accent-glow);
}
.burger {
  width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  cursor: pointer;
}
.burger:hover { background: var(--glass-bg-hover); transform: none; }
.burger svg { width: 18px; height: 18px; }

.sidebar-backdrop {
  display: none;
  position: fixed; inset: 0; z-index: 40;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
}
body.sidebar-open .sidebar-backdrop { display: block; }

/* ---------------------------------------------------------------
   Responsive layout
   --------------------------------------------------------------- */

@media (max-width: 1100px) {
  main.content { padding: var(--space-5) var(--space-6); }
  .hero { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  main.content { padding: var(--space-5) var(--space-4); }
  .topbar { display: flex; }
  .sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: min(280px, 84vw);
    height: 100vh;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform 240ms cubic-bezier(0.2, 0, 0, 1);
    border-right: 1px solid var(--glass-border);
  }
  body.sidebar-open .sidebar { transform: translateX(0); }
  .two-col { grid-template-columns: 1fr; }
  .filters { grid-template-columns: 1fr 1fr; }
  .filters .submit-cell { grid-column: 1 / -1; }
  .bar-row { grid-template-columns: 110px 1fr 36px; }
  /* Tables on mobile — let them scroll horizontally rather than squish. */
  .glass:has(> table) { padding: 0; overflow-x: auto; }
  .glass > table { min-width: 560px; }
  h1 { font-size: 26px; }
}

@media (max-width: 560px) {
  main.content { padding: var(--space-4); }
  .filters { grid-template-columns: 1fr; }
  .metric .value { font-size: 26px; }
  .login-card { padding: var(--space-5); }
  .login-card .pin-input { font-size: 20px; }
  .gallery { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
  h1 { font-size: 22px; }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  body::before { animation: none; }
  * { transition-duration: 0ms !important; animation-duration: 0ms !important; }
}