:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-alt: #eef3f8;
  --text: #0f172a;
  --text-muted: #475569;
  --border: #dce3ec;
  --input-bg: #ffffff;
  --input-text: #0f172a;
  --ticket-bg: #ffffff;
  --ticket-text: #111111;
  --ticket-border: #999999;
  --neon: #06b6d4;
  --neon-strong: #0891b2;
  --primary: #0891b2;
  --primary-hover: #0e7490;
  --secondary: #2563eb;
  --text-on-primary: #f8fafc;
  --success: #15803d;
  --warning: #b45309;
  --danger: #b91c1c;
  --clock-border: #14532d;
  --clock-bg-a: #15803d;
  --clock-bg-b: #166534;
  --clock-bg-c: #14532d;
  --clock-text: #ecfdf3;
  --timer-border: #166534;
  --timer-bg-a: #dcfce7;
  --timer-bg-b: #bbf7d0;
  --timer-text: #14532d;
  --amount-border: #92400e;
  --amount-bg-a: #ffedd5;
  --amount-bg-b: #fed7aa;
  --amount-text: #9a3412;
  --shadow: 0 12px 35px -24px rgba(15, 23, 42, 0.25);
}

[data-neon='cyan'] {
  --neon: #22d3ee;
  --neon-strong: #06b6d4;
  --primary: #0891b2;
  --primary-hover: #0e7490;
}

[data-neon='emerald'] {
  --neon: #34d399;
  --neon-strong: #10b981;
  --primary: #0f766e;
  --primary-hover: #115e59;
}

[data-neon='blue'] {
  --neon: #60a5fa;
  --neon-strong: #3b82f6;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
}

[data-neon='violet'] {
  --neon: #a78bfa;
  --neon-strong: #8b5cf6;
  --primary: #7c3aed;
  --primary-hover: #6d28d9;
}

[data-neon='amber'] {
  --neon: #fbbf24;
  --neon-strong: #f59e0b;
  --primary: #d97706;
  --primary-hover: #b45309;
}

[data-theme='dark'] {
  --bg: #0b1119;
  --surface: #111a26;
  --surface-alt: #0f1622;
  --text: #e6edf7;
  --text-muted: #9aa8bc;
  --border: #263347;
  --input-bg: #0f1622;
  --input-text: #e6edf7;
  --ticket-bg: #0f1622;
  --ticket-text: #e6edf7;
  --ticket-border: #3a4b66;
  --secondary: #93c5fd;
  --text-on-primary: #eaf8ff;
  --shadow: 0 16px 40px -28px rgba(0, 0, 0, 0.65);
  --clock-border: color-mix(in srgb, var(--neon-strong) 35%, #243347);
  --clock-bg-a: #0f172a;
  --clock-bg-b: #132338;
  --clock-bg-c: #1d2f46;
  --clock-text: #e5f4ff;
  --timer-border: color-mix(in srgb, var(--neon) 42%, #2a3a52);
  --timer-bg-a: #162233;
  --timer-bg-b: #1f2f46;
  --timer-text: #d8f6ff;
  --amount-border: color-mix(in srgb, var(--neon-strong) 35%, #33435f);
  --amount-bg-a: #1f2332;
  --amount-bg-b: #252b3d;
  --amount-text: #ffeecf;
}

[data-theme='neon'] {
  --bg: #070d16;
  --surface: #0d1623;
  --surface-alt: #0a1220;
  --text: #eef6ff;
  --text-muted: #adc0d8;
  --border: #2b3f5f;
  --input-bg: #0b1421;
  --input-text: #eef6ff;
  --ticket-bg: #0b1421;
  --ticket-text: #eef6ff;
  --ticket-border: #496187;
  --secondary: #b7d4ff;
  --text-on-primary: #f4fbff;
  --shadow: 0 22px 48px -28px rgba(0, 0, 0, 0.82);
  --clock-border: color-mix(in srgb, var(--neon) 45%, #304967);
  --clock-bg-a: #09111d;
  --clock-bg-b: #0f1d30;
  --clock-bg-c: #15253a;
  --clock-text: #ebf7ff;
  --timer-border: color-mix(in srgb, var(--neon) 56%, #355175);
  --timer-bg-a: #102137;
  --timer-bg-b: #152b43;
  --timer-text: #e2f8ff;
  --amount-border: color-mix(in srgb, var(--neon-strong) 44%, #405676);
  --amount-bg-a: #1c2340;
  --amount-bg-b: #243056;
  --amount-text: #ffeccc;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'IBM Plex Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background-color .2s ease, color .2s ease;
}

body[data-theme='dark'] {
  background:
    radial-gradient(1200px 700px at 8% -10%, color-mix(in srgb, var(--neon) 20%, transparent), transparent 62%),
    radial-gradient(1100px 680px at 100% 0%, color-mix(in srgb, var(--primary) 24%, transparent), transparent 58%),
    linear-gradient(180deg, #09111b, #0b1119 45%, #0a0f17);
}

body[data-theme='neon'] {
  background:
    radial-gradient(980px 620px at -6% -12%, color-mix(in srgb, var(--neon) 30%, transparent), transparent 58%),
    radial-gradient(960px 610px at 108% -6%, color-mix(in srgb, var(--neon-strong) 36%, transparent), transparent 60%),
    radial-gradient(720px 500px at 50% 112%, color-mix(in srgb, var(--primary) 24%, transparent), transparent 64%),
    linear-gradient(180deg, #060c15, #07101b 48%, #060c14);
}

body[data-theme='dark']::before,
body[data-theme='dark']::after,
body[data-theme='neon']::before,
body[data-theme='neon']::after {
  content: '';
  position: fixed;
  pointer-events: none;
  z-index: 0;
  filter: blur(22px);
  opacity: .55;
}

body[data-theme='dark']::before {
  width: 420px;
  height: 420px;
  left: -120px;
  top: 20vh;
  background: radial-gradient(circle, color-mix(in srgb, var(--neon) 48%, transparent), transparent 66%);
}

body[data-theme='neon']::before {
  width: 440px;
  height: 440px;
  left: -120px;
  top: 14vh;
  background: radial-gradient(circle, color-mix(in srgb, var(--neon) 62%, transparent), transparent 68%);
}

body[data-theme='dark']::after {
  width: 460px;
  height: 460px;
  right: -160px;
  top: 10vh;
  background: radial-gradient(circle, color-mix(in srgb, var(--neon-strong) 40%, transparent), transparent 68%);
}

body[data-theme='neon']::after {
  width: 500px;
  height: 500px;
  right: -170px;
  top: 8vh;
  background: radial-gradient(circle, color-mix(in srgb, var(--neon-strong) 58%, transparent), transparent 70%);
}

.app-shell,
.auth-shell,
.centered-page,
.print-actions {
  position: relative;
  z-index: 1;
}
code, .mono {
  font-family: 'IBM Plex Mono', monospace;
}
a { color: var(--secondary); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--neon) 70%, transparent);
  outline-offset: 2px;
}
h1, h2, h3, h4, p { margin: 0; }
small, .small { font-size: .85rem; }
.muted { color: var(--text-muted); }
.eyebrow { letter-spacing: .08em; text-transform: uppercase; font-size: .72rem; color: var(--text-muted); }
.mt-sm { margin-top: .6rem; }
.mt-md { margin-top: 1rem; }

.btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 10px;
  padding: .6rem .9rem;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--primary); color: var(--text-on-primary); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn-secondary { background: var(--surface); }
.btn-block { width: 100%; }
.icon-btn { padding: .45rem .65rem; }
.btn:disabled,
.btn.disabled {
  cursor: not-allowed;
  opacity: .58;
  pointer-events: none;
}

body[data-theme='dark'] .btn-primary {
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--neon) 25%, transparent),
    0 8px 22px -14px color-mix(in srgb, var(--neon-strong) 65%, transparent),
    0 0 22px -14px color-mix(in srgb, var(--neon) 75%, transparent);
}

body[data-theme='dark'] .btn-primary:hover {
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--neon) 40%, transparent),
    0 10px 26px -14px color-mix(in srgb, var(--neon-strong) 70%, transparent),
    0 0 28px -12px color-mix(in srgb, var(--neon) 85%, transparent);
}

body[data-theme='neon'] .btn-primary {
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--neon) 42%, transparent),
    0 14px 30px -14px color-mix(in srgb, var(--neon-strong) 78%, transparent),
    0 0 32px -10px color-mix(in srgb, var(--neon) 95%, transparent);
}

body[data-theme='neon'] .btn-primary:hover {
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--neon) 60%, transparent),
    0 16px 34px -14px color-mix(in srgb, var(--neon-strong) 82%, transparent),
    0 0 38px -8px color-mix(in srgb, var(--neon) 100%, transparent);
}

body[data-theme='dark'] .btn-secondary {
  border-color: color-mix(in srgb, var(--border) 72%, var(--neon) 22%);
}

body[data-theme='neon'] .btn-secondary {
  border-color: color-mix(in srgb, var(--border) 62%, var(--neon) 34%);
}

.row-between { display: flex; justify-content: space-between; align-items: center; gap: .8rem; }
.row-actions { display: flex; gap: .55rem; align-items: center; flex-wrap: wrap; }
.row-actions.compact { gap: .4rem; }
.wrap { flex-wrap: wrap; }

.card {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 1rem;
}

body[data-theme='dark'] .card {
  background: linear-gradient(
    155deg,
    color-mix(in srgb, var(--surface) 90%, #0c1421),
    color-mix(in srgb, var(--surface-alt) 92%, #0a111c)
  );
  border-color: color-mix(in srgb, var(--border) 70%, var(--neon) 22%);
  box-shadow:
    0 22px 48px -34px rgba(0, 0, 0, .9),
    0 0 0 1px color-mix(in srgb, var(--neon) 10%, transparent),
    0 0 26px -18px color-mix(in srgb, var(--neon-strong) 46%, transparent);
  backdrop-filter: blur(8px);
}

body[data-theme='neon'] .card {
  background: linear-gradient(
    160deg,
    color-mix(in srgb, var(--surface) 86%, #091220),
    color-mix(in srgb, var(--surface-alt) 89%, #08101d)
  );
  border-color: color-mix(in srgb, var(--border) 62%, var(--neon) 34%);
  box-shadow:
    0 24px 52px -30px rgba(0, 0, 0, .95),
    0 0 0 1px color-mix(in srgb, var(--neon) 22%, transparent),
    0 0 30px -14px color-mix(in srgb, var(--neon-strong) 75%, transparent);
  backdrop-filter: blur(10px);
}
.inset-card { background: var(--surface-alt); }
.card-head { margin-bottom: .8rem; }

.flash-stack { display: grid; gap: .55rem; margin-bottom: .9rem; }
.flash {
  border-radius: 10px;
  border: 1px solid var(--border);
  padding: .7rem .8rem;
}
.flash-success { background: color-mix(in srgb, var(--success) 10%, white); border-color: color-mix(in srgb, var(--success) 35%, var(--border)); }
.flash-warning { background: color-mix(in srgb, var(--warning) 10%, white); border-color: color-mix(in srgb, var(--warning) 35%, var(--border)); }
.flash-error { background: color-mix(in srgb, var(--danger) 10%, white); border-color: color-mix(in srgb, var(--danger) 35%, var(--border)); }

.badge {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-alt);
  padding: .2rem .55rem;
  font-size: .75rem;
}
.badge-muted { background: var(--surface-alt); }
.badge-success {
  background: color-mix(in srgb, var(--success) 12%, white);
  border-color: color-mix(in srgb, var(--success) 35%, var(--border));
  color: color-mix(in srgb, var(--success) 80%, #111);
}
.badge-warning {
  background: color-mix(in srgb, var(--warning) 12%, white);
  border-color: color-mix(in srgb, var(--warning) 35%, var(--border));
  color: color-mix(in srgb, var(--warning) 80%, #111);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-alt);
  padding: .3rem .7rem;
  font-size: .82rem;
}

.grid { display: grid; gap: 1rem; }
.cols-2 { grid-template-columns: 1.2fr .95fr; }
.metrics-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid .full { grid-column: 1 / -1; }
.stack-form { display: grid; gap: .75rem; }

label { display: grid; gap: .35rem; font-weight: 500; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: .6rem .65rem;
  font: inherit;
  background: var(--input-bg);
  color: var(--input-text);
}
input::placeholder, textarea::placeholder { color: var(--text-muted); }
textarea { resize: vertical; min-height: 90px; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}
.data-table.compact { min-width: 520px; }
.data-table th, .data-table td {
  padding: .62rem .56rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.data-table th {
  font-size: .74rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.table-wrap { width: 100%; overflow: auto; }

.metric-card h2 { margin-top: .25rem; font-size: 1.5rem; }
.progress-track {
  width: 100%;
  height: 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-alt);
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--neon));
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px 1fr;
}
.sidebar {
  border-right: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 90%, var(--surface-alt));
  padding: .95rem;
  position: sticky;
  top: 0;
  height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 1rem;
}

body[data-theme='dark'] .sidebar {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--surface) 88%, #09121f),
    color-mix(in srgb, var(--surface-alt) 90%, #08111d)
  );
  border-right-color: color-mix(in srgb, var(--border) 70%, var(--neon) 24%);
  box-shadow: inset -1px 0 0 color-mix(in srgb, var(--neon) 16%, transparent);
}

body[data-theme='neon'] .sidebar {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--surface) 86%, #081120),
    color-mix(in srgb, var(--surface-alt) 88%, #07101c)
  );
  border-right-color: color-mix(in srgb, var(--border) 58%, var(--neon) 38%);
  box-shadow:
    inset -1px 0 0 color-mix(in srgb, var(--neon) 24%, transparent),
    0 0 26px -18px color-mix(in srgb, var(--neon-strong) 80%, transparent);
}
.sidebar-nav {
  display: grid;
  gap: .45rem;
  align-content: start;
  grid-auto-rows: min-content;
}
.nav-link {
  display: block;
  border: 1px solid transparent;
  padding: .62rem .72rem;
  border-radius: 10px;
  color: var(--text);
  line-height: 1.2;
}
.nav-link:hover {
  background: var(--surface);
  border-color: var(--border);
  text-decoration: none;
}

body[data-theme='dark'] .nav-link:hover {
  border-color: color-mix(in srgb, var(--neon) 30%, var(--border));
  box-shadow: 0 0 18px -14px color-mix(in srgb, var(--neon-strong) 85%, transparent);
}

body[data-theme='neon'] .nav-link:hover {
  border-color: color-mix(in srgb, var(--neon) 52%, var(--border));
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--neon) 28%, transparent),
    0 0 24px -12px color-mix(in srgb, var(--neon-strong) 92%, transparent);
}
.brand-block h2 { margin-top: .2rem; }
.user-pill {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: .6rem;
  display: grid;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: .7rem;
  justify-content: space-between;
  background: color-mix(in srgb, var(--bg) 82%, var(--surface));
  border-bottom: 1px solid var(--border);
  padding: .75rem 1rem;
  backdrop-filter: blur(8px);
}

body[data-theme='dark'] .topbar {
  border-bottom-color: color-mix(in srgb, var(--border) 70%, var(--neon) 28%);
  box-shadow:
    inset 0 -1px 0 color-mix(in srgb, var(--neon) 16%, transparent),
    0 14px 26px -22px rgba(0, 0, 0, .85);
  backdrop-filter: blur(12px);
}

body[data-theme='neon'] .topbar {
  border-bottom-color: color-mix(in srgb, var(--border) 56%, var(--neon) 40%);
  box-shadow:
    inset 0 -1px 0 color-mix(in srgb, var(--neon) 24%, transparent),
    0 16px 30px -22px rgba(0, 0, 0, .9),
    0 0 28px -18px color-mix(in srgb, var(--neon-strong) 84%, transparent);
  backdrop-filter: blur(14px);
}
.live-clock-card {
  min-width: 210px;
  border: 1px solid var(--clock-border);
  border-radius: 12px;
  background: linear-gradient(135deg, var(--clock-bg-a), var(--clock-bg-b) 58%, var(--clock-bg-c));
  color: var(--clock-text);
  padding: .4rem .75rem .5rem;
  text-align: center;
  box-shadow: 0 12px 24px -16px color-mix(in srgb, var(--neon-strong) 42%, transparent);
}
.clock-label {
  display: block;
  color: color-mix(in srgb, var(--clock-text) 82%, transparent);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.clock-time {
  display: block;
  font-size: 1.45rem;
  line-height: 1.1;
  letter-spacing: .09em;
  text-shadow: 0 1px 0 rgba(0, 0, 0, .2);
}
.main-content { min-width: 0; }
.content-wrap { padding: 1rem; display: grid; gap: 1rem; }

.cards-grid {
  display: grid;
  gap: .8rem;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}
.vehicle-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-alt);
  padding: .75rem;
  display: grid;
  gap: .35rem;
}

body[data-theme='dark'] .vehicle-card {
  border-color: color-mix(in srgb, var(--border) 66%, var(--neon) 24%);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--neon) 14%, transparent),
    0 0 22px -18px color-mix(in srgb, var(--neon-strong) 70%, transparent);
}

body[data-theme='neon'] .vehicle-card {
  border-color: color-mix(in srgb, var(--border) 54%, var(--neon) 36%);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--neon) 24%, transparent),
    0 0 28px -14px color-mix(in srgb, var(--neon-strong) 88%, transparent);
}
.stay-live-timer {
  display: inline-block;
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: .08em;
  padding: .22rem .5rem;
  border-radius: 9px;
  border: 1px solid var(--timer-border);
  background: linear-gradient(135deg, var(--timer-bg-a), var(--timer-bg-b));
  color: var(--timer-text);
}

body[data-theme='dark'] .stay-live-timer {
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, var(--neon) 20%, transparent),
    0 0 24px -16px color-mix(in srgb, var(--neon-strong) 82%, transparent);
}

body[data-theme='neon'] .stay-live-timer {
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, var(--neon) 34%, transparent),
    0 0 28px -12px color-mix(in srgb, var(--neon-strong) 95%, transparent);
}
.stay-live-amount {
  display: inline-block;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: .05em;
  padding: .18rem .5rem;
  border-radius: 9px;
  border: 1px solid var(--amount-border);
  background: linear-gradient(135deg, var(--amount-bg-a), var(--amount-bg-b));
  color: var(--amount-text);
}

body[data-theme='dark'] .stay-live-amount {
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, var(--neon) 18%, transparent),
    0 0 24px -18px color-mix(in srgb, var(--neon) 78%, transparent);
}

body[data-theme='neon'] .stay-live-amount {
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, var(--neon) 28%, transparent),
    0 0 28px -14px color-mix(in srgb, var(--neon) 98%, transparent);
}

body[data-theme='dark'] input:focus,
body[data-theme='dark'] select:focus,
body[data-theme='dark'] textarea:focus {
  border-color: color-mix(in srgb, var(--neon) 46%, var(--border));
  box-shadow:
    0 0 0 2px color-mix(in srgb, var(--neon) 20%, transparent),
    0 0 18px -12px color-mix(in srgb, var(--neon-strong) 75%, transparent);
}

body[data-theme='neon'] input:focus,
body[data-theme='neon'] select:focus,
body[data-theme='neon'] textarea:focus {
  border-color: color-mix(in srgb, var(--neon) 62%, var(--border));
  box-shadow:
    0 0 0 2px color-mix(in srgb, var(--neon) 28%, transparent),
    0 0 22px -10px color-mix(in srgb, var(--neon-strong) 95%, transparent);
}

.simple-list { margin: .3rem 0 0; padding-left: 1rem; display: grid; gap: .35rem; }
.inline-check { display: flex; align-items: center; gap: .5rem; }
.inline-check input { width: auto; }

.auth-body { min-height: 100vh; }
.auth-shell { min-height: 100vh; display: grid; grid-template-columns: 1.1fr 420px; gap: 1rem; padding: 1rem; }
.auth-aside, .auth-panel { display: grid; align-content: center; gap: .8rem; }

.centered-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
}
.center-card { max-width: 560px; width: 100%; }

.print-body {
  background: var(--surface);
  color: var(--text);
  font-family: 'IBM Plex Mono', monospace;
}
.ticket-print {
  max-width: 360px;
  margin: 1rem auto;
  border: 1px dashed var(--ticket-border);
  background: var(--ticket-bg);
  color: var(--ticket-text);
  padding: .8rem;
  display: grid;
  gap: .7rem;
}
.ticket-print h2 { font-size: 1.1rem; }
.ticket-print h3 { font-size: .95rem; margin-top: .35rem; }
.ticket-data { display: grid; gap: .25rem; font-size: .86rem; }
.barcode-box { text-align: center; }
.barcode-box img { max-width: 100%; height: auto; }
.print-actions {
  display: flex;
  justify-content: center;
  gap: .6rem;
  margin: 1rem 0 2rem;
}

@media print {
  .print-actions { display: none !important; }
  .ticket-print { margin: 0 auto; border: none; }
}

@media (max-width: 1080px) {
  .metrics-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cols-2 { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 260px;
    transform: translateX(-100%);
    transition: transform .2s ease;
    z-index: 50;
  }
  .sidebar.open { transform: translateX(0); }
  .app-shell { grid-template-columns: 1fr; }
  .live-clock-card { min-width: 180px; }
}

@media (min-width: 1081px) {
  [data-sidebar-toggle] { display: none; }
}

@media (max-width: 760px) {
  .auth-shell { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .data-table { min-width: 520px; }
  .metrics-grid { grid-template-columns: 1fr; }
  .topbar { flex-wrap: wrap; align-items: flex-start; }
  .live-clock-card {
    width: 100%;
    order: 3;
  }
  .clock-time { font-size: 1.35rem; }
}