/* iPay design system: tokens and shared components.
   Cool-slate neutrals carry 80-90% of the UI; one indigo accent ramp; status colours only for state.
   Colours are OKLCH so light and dark themes come from the same hues at even perceived lightness. */

:root {
  color-scheme: light;
  --hue: 265;
  --bg: oklch(0.985 0.003 var(--hue));
  --surface: oklch(1 0 0);
  --surface-2: oklch(0.97 0.004 var(--hue));
  --surface-3: oklch(0.945 0.006 var(--hue));
  --border: oklch(0.92 0.006 var(--hue));
  --border-strong: oklch(0.86 0.008 var(--hue));
  --text: oklch(0.22 0.02 var(--hue));
  --text-2: oklch(0.46 0.016 var(--hue));
  --text-3: oklch(0.62 0.012 var(--hue));

  --accent: oklch(0.55 0.2 275);
  --accent-hover: oklch(0.5 0.21 275);
  --accent-press: oklch(0.45 0.2 275);
  --accent-soft: oklch(0.955 0.03 275);
  --accent-text: oklch(0.47 0.19 275);
  --on-accent: oklch(0.99 0 0);
  --ring: oklch(0.55 0.2 275 / 0.35);

  --success: oklch(0.6 0.15 155);
  --success-soft: oklch(0.96 0.04 155);
  --warning: oklch(0.7 0.15 70);
  --warning-soft: oklch(0.97 0.05 85);
  --danger: oklch(0.58 0.21 25);
  --danger-soft: oklch(0.965 0.025 25);
  --info: oklch(0.6 0.13 240);
  --info-soft: oklch(0.96 0.03 240);

  --sg: oklch(0.58 0.21 25);       /* Singapore red */
  --my: oklch(0.5 0.16 262);       /* Malaysia blue */

  --shadow-1: 0 1px 2px oklch(0.2 0.02 var(--hue) / 0.06), 0 1px 1px oklch(0.2 0.02 var(--hue) / 0.04);
  --shadow-2: 0 10px 30px -10px oklch(0.2 0.03 var(--hue) / 0.18), 0 2px 6px oklch(0.2 0.02 var(--hue) / 0.06);
  --shadow-3: 0 30px 80px -20px oklch(0.15 0.04 var(--hue) / 0.35), 0 8px 24px oklch(0.15 0.03 var(--hue) / 0.12);

  --r-sm: 8px; --r-md: 12px; --r-lg: 16px; --r-xl: 22px; --r-full: 999px;
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 20px; --s-6: 24px; --s-8: 32px; --s-10: 40px; --s-12: 48px;

  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --t-xs: 12px; --t-sm: 13px; --t-md: 14px; --t-lg: 16px; --t-xl: 20px; --t-2xl: 26px; --t-3xl: 34px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --d-fast: 120ms; --d-med: 220ms; --d-slow: 380ms;

  --sidebar-w: 264px;
  --topbar-h: 64px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: oklch(0.165 0.012 var(--hue));
  --surface: oklch(0.205 0.013 var(--hue));
  --surface-2: oklch(0.24 0.014 var(--hue));
  --surface-3: oklch(0.275 0.015 var(--hue));
  --border: oklch(0.3 0.014 var(--hue));
  --border-strong: oklch(0.38 0.016 var(--hue));
  --text: oklch(0.965 0.005 var(--hue));
  --text-2: oklch(0.76 0.012 var(--hue));
  --text-3: oklch(0.6 0.012 var(--hue));
  --accent: oklch(0.68 0.17 275);
  --accent-hover: oklch(0.73 0.16 275);
  --accent-press: oklch(0.63 0.17 275);
  --accent-soft: oklch(0.3 0.07 275);
  --accent-text: oklch(0.8 0.12 275);
  --on-accent: oklch(0.16 0.02 275);
  --ring: oklch(0.68 0.17 275 / 0.45);
  --success-soft: oklch(0.3 0.06 155);
  --warning-soft: oklch(0.32 0.06 75);
  --danger-soft: oklch(0.3 0.07 25);
  --info-soft: oklch(0.3 0.05 240);
  --shadow-1: 0 1px 2px oklch(0 0 0 / 0.4);
  --shadow-2: 0 12px 32px -10px oklch(0 0 0 / 0.6);
  --shadow-3: 0 30px 90px -20px oklch(0 0 0 / 0.75);
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; min-height: 100dvh; background: var(--bg); color: var(--text);
  font: 400 var(--t-md)/1.55 var(--font); font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 { margin: 0; line-height: 1.2; letter-spacing: -0.015em; font-weight: 650; }
h1 { font-size: var(--t-2xl); } h2 { font-size: var(--t-xl); } h3 { font-size: var(--t-lg); }
p { margin: 0; }
a { color: var(--accent-text); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
::selection { background: var(--accent-soft); color: var(--text); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
.muted { color: var(--text-2); } .faint { color: var(--text-3); }
.num { font-variant-numeric: tabular-nums; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
svg.icon { width: 18px; height: 18px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- layout ---------- */
.app { display: grid; grid-template-columns: var(--sidebar-w) minmax(0, 1fr); grid-template-rows: auto 1fr; min-height: 100dvh; }
.app > .sidebar { grid-row: 1 / span 2; }
.app > .topbar, .app > .main { grid-column: 2; }
.main { min-width: 0; display: flex; flex-direction: column; }
.page { width: 100%; max-width: 1200px; margin: 0 auto; padding: var(--s-8) var(--s-8) var(--s-12); animation: fade-up var(--d-slow) var(--ease-out) both; }
.page-header { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--s-4); flex-wrap: wrap; margin-bottom: var(--s-8); }
.page-header p { margin-top: var(--s-2); color: var(--text-2); }
.stack { display: grid; gap: var(--s-6); }
.row { display: flex; align-items: center; gap: var(--s-3); flex-wrap: wrap; }
.spread { display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); }
.grid { display: grid; gap: var(--s-5); grid-template-columns: repeat(auto-fit, minmax(min(100%, var(--min, 240px)), 1fr)); }
.grid > * { animation: fade-up var(--d-slow) var(--ease-out) both; }
.grid > :nth-child(2) { animation-delay: 40ms; } .grid > :nth-child(3) { animation-delay: 80ms; } .grid > :nth-child(4) { animation-delay: 120ms; }

/* ---------- surfaces ---------- */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); box-shadow: var(--shadow-1); }
.card-body { padding: var(--s-6); }
.card-header { padding: var(--s-5) var(--s-6); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); }
.card-header p { color: var(--text-2); font-size: var(--t-sm); margin-top: 2px; }
.card-footer { padding: var(--s-4) var(--s-6); border-top: 1px solid var(--border); background: var(--surface-2); border-radius: 0 0 var(--r-lg) var(--r-lg); display: flex; justify-content: flex-end; gap: var(--s-3); }
.card-link { transition: transform var(--d-med) var(--ease-out), box-shadow var(--d-med) var(--ease-out), border-color var(--d-med); cursor: pointer; }
.card-link:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); border-color: var(--border-strong); }
.stat { display: grid; gap: var(--s-2); }
.stat .label { font-size: var(--t-sm); color: var(--text-2); display: flex; align-items: center; gap: var(--s-2); }
.stat .value { font-size: var(--t-3xl); font-weight: 650; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }

/* ---------- buttons ---------- */
.btn {
  --btn-bg: var(--surface); --btn-fg: var(--text); --btn-bd: var(--border-strong);
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2); position: relative;
  height: 40px; padding: 0 var(--s-4); border-radius: var(--r-md); border: 1px solid var(--btn-bd);
  background: var(--btn-bg); color: var(--btn-fg); font: 550 var(--t-md)/1 var(--font); cursor: pointer;
  white-space: nowrap; user-select: none; text-decoration: none !important;
  transition: background var(--d-fast), border-color var(--d-fast), transform var(--d-fast) var(--ease-out), box-shadow var(--d-fast);
}
.btn:hover { background: var(--surface-2); }
.btn:active { transform: scale(0.97); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.55; pointer-events: none; }
.btn-primary { --btn-bg: var(--accent); --btn-fg: var(--on-accent); --btn-bd: transparent; box-shadow: 0 1px 2px oklch(0.3 0.15 275 / 0.3), inset 0 1px 0 oklch(1 0 0 / 0.15); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:active { background: var(--accent-press); }
.btn-ghost { --btn-bg: transparent; --btn-bd: transparent; }
.btn-ghost:hover { background: var(--surface-3); }
.btn-danger { --btn-bg: var(--danger); --btn-fg: oklch(0.99 0 0); --btn-bd: transparent; }
.btn-sm { height: 32px; padding: 0 var(--s-3); font-size: var(--t-sm); border-radius: var(--r-sm); }
.btn-lg { height: 48px; padding: 0 var(--s-6); font-size: var(--t-lg); }
.btn-block { width: 100%; }
.btn-icon { width: 40px; padding: 0; }
.btn-sm.btn-icon { width: 32px; }
.btn .spinner { display: none; }
.htmx-request .btn[type="submit"] .spinner, .btn.htmx-request .spinner { display: inline-block; }
.htmx-request .btn[type="submit"], .btn.htmx-request { pointer-events: none; opacity: 0.85; }
.spinner { width: 16px; height: 16px; border-radius: 50%; border: 2px solid currentColor; border-right-color: transparent; animation: spin 0.7s linear infinite; }

/* ---------- forms ---------- */
.form { display: grid; gap: var(--s-5); }
.form-grid { display: grid; gap: var(--s-5); grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
.field { display: grid; gap: 6px; }
.field > label, .label { font-size: var(--t-sm); font-weight: 550; color: var(--text); }
.field .hint { font-size: var(--t-xs); color: var(--text-3); }
.field .error-text { font-size: var(--t-xs); color: var(--danger); display: none; }
.input {
  width: 100%; height: 42px; padding: 0 var(--s-3); border-radius: var(--r-md); border: 1px solid var(--border-strong);
  background: var(--surface); color: var(--text); font: inherit; outline: none;
  transition: border-color var(--d-fast), box-shadow var(--d-fast), background var(--d-fast);
}
.input::placeholder { color: var(--text-3); }
.input:hover { border-color: var(--text-3); }
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--ring); }
.input[aria-invalid="true"] { border-color: var(--danger); box-shadow: 0 0 0 4px oklch(0.58 0.21 25 / 0.15); animation: shake 0.35s var(--ease-out); }
.field.has-error .error-text { display: block; animation: fade-up var(--d-med) var(--ease-out); }
.input-with-icon { position: relative; }
.input-with-icon .icon { position: absolute; left: 12px; top: 50%; translate: 0 -50%; color: var(--text-3); pointer-events: none; }
.input-with-icon .input { padding-left: 38px; }

/* switch */
.switch { position: relative; display: inline-flex; flex: none; width: 44px; height: 26px; }
.switch input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; z-index: 1; }
.switch .track { position: absolute; inset: 0; border-radius: var(--r-full); background: var(--surface-3); border: 1px solid var(--border-strong); transition: background var(--d-med), border-color var(--d-med); }
.switch .thumb { position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; border-radius: 50%; background: oklch(1 0 0); box-shadow: 0 1px 3px oklch(0 0 0 / 0.25); transition: translate var(--d-med) var(--ease-spring), width var(--d-fast); }
.switch input:checked ~ .track { background: var(--accent); border-color: transparent; }
.switch input:checked ~ .thumb { translate: 18px 0; }
.switch input:active ~ .thumb { width: 24px; }
.switch input:focus-visible ~ .track { box-shadow: 0 0 0 4px var(--ring); }

/* selectable country card with a switch */
.toggle-card { display: flex; gap: var(--s-4); align-items: flex-start; padding: var(--s-5); border-radius: var(--r-lg); border: 1px solid var(--border); background: var(--surface); cursor: pointer; transition: border-color var(--d-med), box-shadow var(--d-med), background var(--d-med); }
.toggle-card:hover { border-color: var(--border-strong); }
.toggle-card:has(input:checked) { border-color: var(--accent); background: color-mix(in oklch, var(--accent-soft) 55%, var(--surface)); box-shadow: 0 0 0 3px var(--ring); }
.toggle-card .body { flex: 1; display: grid; gap: 4px; }
.toggle-card .title { font-weight: 600; display: flex; align-items: center; gap: var(--s-2); }
.toggle-card .desc { font-size: var(--t-sm); color: var(--text-2); }

.toggle-card.is-locked { opacity: 0.55; cursor: not-allowed; }
.toggle-card.is-locked .switch input { cursor: not-allowed; }

/* checkboxes, permission grid, selects */
.check { display: flex; align-items: center; gap: 10px; padding: 6px 8px; border-radius: var(--r-sm); font-size: var(--t-md); cursor: pointer; transition: background var(--d-fast); }
.check:hover { background: var(--surface-2); }
.check input { width: 16px; height: 16px; margin: 0; accent-color: var(--accent); flex: none; }
.check-list { display: grid; gap: 2px; padding: 6px 0 0 18px; }
.perm-grid { display: grid; gap: var(--s-3); grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); }
.perm-area { margin: 0; padding: var(--s-3); border: 1px solid var(--border); border-radius: var(--r-md); display: grid; gap: 2px; }
.perm-area legend { padding: 0 6px; font-size: var(--t-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-3); }
select.input { appearance: none; padding-right: 36px; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-3) 50%), linear-gradient(135deg, var(--text-3) 50%, transparent 50%);
  background-position: calc(100% - 18px) 52%, calc(100% - 13px) 52%; background-size: 5px 5px; background-repeat: no-repeat; }

/* collapsible section driven by a toggle (grid 0fr -> 1fr animates height) */
.reveal { display: grid; grid-template-rows: 0fr; opacity: 0; transition: grid-template-rows var(--d-slow) var(--ease-out), opacity var(--d-med); }
.reveal > .reveal-inner { overflow: hidden; min-height: 0; }
.reveal.is-open { grid-template-rows: 1fr; opacity: 1; }

/* ---------- badges, chips ---------- */
.badge { display: inline-flex; align-items: center; gap: 6px; height: 24px; padding: 0 10px; border-radius: var(--r-full); font-size: var(--t-xs); font-weight: 600; background: var(--surface-3); color: var(--text-2); }
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge-accent { background: var(--accent-soft); color: var(--accent-text); }
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-warning { background: var(--warning-soft); color: oklch(0.55 0.13 65); }
.badge-danger { background: var(--danger-soft); color: var(--danger); }
.flag { display: inline-grid; place-items: center; width: 26px; height: 18px; border-radius: 4px; font-size: 10px; font-weight: 700; letter-spacing: 0.04em; color: oklch(1 0 0); }
.flag-sg { background: var(--sg); } .flag-my { background: var(--my); }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--surface); }
.table { width: 100%; border-collapse: collapse; font-size: var(--t-md); }
.table th { position: sticky; top: 0; background: var(--surface-2); text-align: left; font-size: var(--t-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-3); padding: var(--s-3) var(--s-4); border-bottom: 1px solid var(--border); }
.table td { padding: var(--s-3) var(--s-4); border-bottom: 1px solid var(--border); }
.table tr:last-child td { border-bottom: 0; }
.table tbody tr { transition: background var(--d-fast); }
.table tbody tr:hover { background: var(--surface-2); }

/* ---------- checklist, empty state ---------- */
.checklist { display: grid; gap: var(--s-2); margin: 0; padding: 0; list-style: none; }
.checklist li { display: flex; align-items: center; gap: var(--s-3); padding: var(--s-3); border-radius: var(--r-md); transition: background var(--d-fast); }
.checklist li:hover { background: var(--surface-2); }
.checklist .tick { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; border: 1.5px solid var(--border-strong); flex: none; }
.checklist li.done .tick { background: var(--success); border-color: var(--success); color: oklch(1 0 0); }
.checklist li.done .what { color: var(--text-3); text-decoration: line-through; }
.empty { display: grid; place-items: center; text-align: center; gap: var(--s-3); padding: var(--s-12) var(--s-6); color: var(--text-2); }
.empty .art { width: 56px; height: 56px; border-radius: var(--r-lg); display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-text); }

/* ---------- modal (native dialog; bottom sheet on phones) ---------- */
dialog.modal { width: min(480px, calc(100vw - 32px)); max-height: calc(100dvh - 48px); padding: 0; border: 1px solid var(--border); border-radius: var(--r-xl); background: var(--surface); color: var(--text); box-shadow: var(--shadow-3); overflow: auto; }
dialog.modal[open] { animation: modal-in var(--d-slow) var(--ease-out); }
dialog.modal.is-closing { animation: modal-out var(--d-med) var(--ease-out) forwards; }
dialog.modal::backdrop { background: oklch(0.15 0.02 265 / 0.45); backdrop-filter: blur(6px); animation: fade-in var(--d-med) ease-out; }
dialog.modal.is-closing::backdrop { animation: fade-out var(--d-med) ease-out forwards; }
.modal-body { padding: var(--s-6); display: grid; gap: var(--s-4); }
.modal-icon { width: 44px; height: 44px; border-radius: var(--r-md); display: grid; place-items: center; background: var(--info-soft); color: var(--info); animation: pop var(--d-slow) var(--ease-spring) 80ms both; }
.modal-icon svg.icon { width: 22px; height: 22px; }
.modal[data-variant="error"] .modal-icon { background: var(--danger-soft); color: var(--danger); }
.modal[data-variant="success"] .modal-icon { background: var(--success-soft); color: var(--success); }
.modal[data-variant="confirm"] .modal-icon { background: var(--warning-soft); color: oklch(0.6 0.14 65); }
.modal-title { font-size: var(--t-lg); font-weight: 650; }
.modal-message { color: var(--text-2); }
.modal-list { margin: 0; padding: var(--s-3) var(--s-4); border-radius: var(--r-md); background: var(--danger-soft); color: var(--text); list-style: none; display: grid; gap: 6px; font-size: var(--t-sm); }
.modal-list li { display: flex; gap: var(--s-2); } .modal-list li::before { content: "•"; color: var(--danger); }
.modal-actions { display: flex; justify-content: flex-end; gap: var(--s-3); padding: var(--s-4) var(--s-6); border-top: 1px solid var(--border); background: var(--surface-2); }
.modal-form-body { padding: var(--s-6); display: grid; gap: var(--s-5); }

/* ---------- toasts ---------- */
.toasts { position: fixed; z-index: 100; right: var(--s-6); bottom: var(--s-6); display: grid; gap: var(--s-3); width: min(380px, calc(100vw - 32px)); pointer-events: none; }
.toast { pointer-events: auto; position: relative; overflow: hidden; display: flex; gap: var(--s-3); align-items: flex-start; padding: var(--s-4); border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-2); animation: toast-in var(--d-slow) var(--ease-spring); }
.toast.is-leaving { animation: toast-out var(--d-med) var(--ease-out) forwards; }
.toast .t-icon { color: var(--success); margin-top: 1px; }
.toast[data-variant="error"] .t-icon { color: var(--danger); } .toast[data-variant="info"] .t-icon { color: var(--info); }
.toast .t-msg { flex: 1; font-size: var(--t-md); }
.toast .t-bar { position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; background: var(--accent); transform-origin: left; animation: shrink linear forwards; animation-duration: var(--life, 4s); opacity: 0.6; }

/* top progress bar during requests */
.progress { position: fixed; top: 0; left: 0; z-index: 200; height: 3px; width: 0; background: linear-gradient(90deg, var(--accent), oklch(0.7 0.17 300)); box-shadow: 0 0 10px var(--accent); transition: width 400ms var(--ease-out), opacity 300ms; opacity: 0; }
.progress.is-active { width: 75%; opacity: 1; transition: width 8s cubic-bezier(0.1, 0.9, 0.2, 1); }
.progress.is-done { width: 100%; opacity: 0; transition: width 200ms, opacity 400ms 150ms; }

/* demo environment marker, hangs from the top centre on every page */
.demo-pill { position: fixed; top: 0; left: 50%; translate: -50% 0; z-index: 150; padding: 3px 12px; border-radius: 0 0 var(--r-sm) var(--r-sm); background: var(--warning); color: oklch(0.25 0.05 70); font-size: 11px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; box-shadow: var(--shadow-1); pointer-events: none; }

/* skeleton */
.skeleton { border-radius: var(--r-sm); background: linear-gradient(90deg, var(--surface-2) 25%, var(--surface-3) 37%, var(--surface-2) 63%); background-size: 400% 100%; animation: shimmer 1.4s ease infinite; }

/* ---------- auth screens ---------- */
.auth { min-height: 100dvh; display: grid; grid-template-columns: 1.1fr 1fr; }
.auth-art { position: relative; overflow: hidden; padding: var(--s-12); display: flex; flex-direction: column; justify-content: space-between; color: oklch(0.98 0.01 275);
  background: radial-gradient(1200px 600px at -10% -10%, oklch(0.62 0.2 285) 0%, transparent 55%), radial-gradient(900px 500px at 110% 110%, oklch(0.55 0.18 245) 0%, transparent 55%), oklch(0.32 0.12 275); }
.auth-art::after { content: ""; position: absolute; inset: 0; background-image: radial-gradient(oklch(1 0 0 / 0.08) 1px, transparent 1px); background-size: 22px 22px; mask-image: linear-gradient(180deg, black, transparent 80%); pointer-events: none; }
.auth-art .quote { position: relative; z-index: 1; max-width: 460px; font-size: var(--t-2xl); line-height: 1.3; letter-spacing: -0.02em; font-weight: 600; }
.auth-art .points { position: relative; z-index: 1; display: grid; gap: var(--s-3); margin-top: var(--s-6); font-size: var(--t-md); opacity: 0.9; }
.auth-art .points div { display: flex; align-items: center; gap: var(--s-2); }
.auth-panel { display: grid; place-items: center; padding: var(--s-8) var(--s-6); }
.auth-card { width: min(400px, 100%); display: grid; gap: var(--s-6); animation: fade-up var(--d-slow) var(--ease-out) both; }
.auth-card h1 { font-size: var(--t-2xl); }

/* brand */
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: var(--t-lg); letter-spacing: -0.02em; color: var(--text); text-decoration: none !important; }
.brand-mark { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; color: oklch(1 0 0); background: linear-gradient(135deg, oklch(0.62 0.2 285), oklch(0.5 0.2 265)); box-shadow: 0 4px 12px -2px oklch(0.5 0.2 275 / 0.5), inset 0 1px 0 oklch(1 0 0 / 0.25); }
.auth-art .brand { color: oklch(1 0 0); position: relative; z-index: 1; }

/* error page */
.error-page { min-height: 100dvh; display: grid; place-items: center; text-align: center; padding: var(--s-8); }
.error-page .code { font-size: 88px; font-weight: 750; letter-spacing: -0.05em; background: linear-gradient(135deg, var(--accent), oklch(0.7 0.17 300)); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- motion ---------- */
@keyframes fade-up { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes fade-out { to { opacity: 0; } }
@keyframes modal-in { from { opacity: 0; transform: translateY(12px) scale(0.96); } to { opacity: 1; transform: none; } }
@keyframes modal-out { to { opacity: 0; transform: translateY(8px) scale(0.97); } }
@keyframes pop { from { opacity: 0; transform: scale(0.6); } to { opacity: 1; transform: none; } }
@keyframes shake { 20%, 60% { transform: translateX(-4px); } 40%, 80% { transform: translateX(4px); } }
@keyframes toast-in { from { opacity: 0; transform: translateX(24px) scale(0.96); } to { opacity: 1; transform: none; } }
@keyframes toast-out { to { opacity: 0; transform: translateX(24px); height: 0; margin: 0; padding: 0; } }
@keyframes shrink { to { transform: scaleX(0); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes shimmer { from { background-position: 100% 50%; } to { background-position: 0 50%; } }

@view-transition { navigation: auto; }
::view-transition-old(root) { animation: fade-out 160ms ease-out both; }
::view-transition-new(root) { animation: fade-up 260ms var(--ease-out) both; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; scroll-behavior: auto !important; }
}

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .app { grid-template-columns: minmax(0, 1fr); }
  .app > .topbar, .app > .main { grid-column: 1; }
  .auth { grid-template-columns: 1fr; }
  .auth-art { display: none; }
}
@media (max-width: 640px) {
  .page { padding: var(--s-5) var(--s-4) var(--s-10); }
  .page-header { margin-bottom: var(--s-6); }
  .card-body { padding: var(--s-5); }
  .stat .value { font-size: var(--t-2xl); }
  .toasts { left: 50%; right: auto; translate: -50% 0; bottom: var(--s-4); }
  dialog.modal { width: 100vw; max-width: 100vw; margin: auto 0 0; border-radius: var(--r-xl) var(--r-xl) 0 0; }
  dialog.modal[open] { animation-name: sheet-in; }
  dialog.modal.is-closing { animation-name: sheet-out; }
  .modal-actions { flex-direction: column-reverse; } .modal-actions .btn { width: 100%; }
}
@keyframes sheet-in { from { transform: translateY(100%); } to { transform: none; } }
@keyframes sheet-out { to { transform: translateY(100%); } }