/* Core design system: custom properties, base elements, components, shell, auth, settings, dashboard.
   Other areas style their own prefixed classes (j-, m-, g-) and use these properties for colour. */

:root {
  color-scheme: light dark;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --fg: #16181d;
  --muted: #5b6270;
  --border: #d5d9e0;
  --accent: #1457d1;
  --accent-fg: #ffffff;
  --accent-soft: #e4ecfb;
  --danger: #b3261e;
  --danger-soft: #fbe9e7;
  --success: #1b7a3e;
  --success-soft: #e3f4e9;
  --warning-soft: #fdf2d6;
  --focus: #0b57d0;
  --shadow: 0 1px 2px rgb(0 0 0 / 8%), 0 4px 16px rgb(0 0 0 / 8%);
  --radius: 8px;
  --gap: 1rem;
  --target: 2.75rem; /* touch-friendly minimum size */
  --max: 72rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --surface: #181b21;
    --fg: #e8eaee;
    --muted: #9aa2b1;
    --border: #2e333d;
    --accent: #6f9bff;
    --accent-fg: #0b1220;
    --accent-soft: #1b2740;
    --danger: #ff8a80;
    --danger-soft: #3a1c1a;
    --success: #6fd596;
    --success-soft: #16301f;
    --warning-soft: #3a3014;
    --focus: #8ab4ff;
    --shadow: 0 1px 2px rgb(0 0 0 / 40%), 0 4px 16px rgb(0 0 0 / 40%);
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--fg);
  font: 1rem/1.5 var(--font);
}

h1, h2, h3 { line-height: 1.25; margin: 0 0 0.5em; }
h1 { font-size: 1.75rem; }
h2 { font-size: 1.25rem; }
h3, .h3 { font-size: 1.05rem; }
p { margin: 0 0 var(--gap); }
a { color: var(--accent); }

:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 2px; }

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  inset-inline-start: 0.5rem;
  top: -4rem;
  z-index: 100;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: var(--accent-fg);
  border-radius: var(--radius);
}
.skip-link:focus { top: 0.5rem; }

.muted, .hint { color: var(--muted); }
.lead { font-size: 1.05rem; color: var(--muted); }
.boot-error { margin: 2rem auto; max-width: 32rem; padding: var(--gap); background: var(--danger-soft); color: var(--danger); border-radius: var(--radius); }

/* ---- shell */

.app-header {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1.5rem;
  padding: 0.5rem var(--gap);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; font-size: 1.1rem; color: var(--fg); text-decoration: none; padding: 0.5rem 0; }
.main-nav { flex: 1 1 auto; }
.nav-list { display: flex; flex-wrap: wrap; gap: 0.25rem; list-style: none; margin: 0; padding: 0; }
.nav-list a {
  display: inline-flex; align-items: center; min-height: var(--target); padding: 0 0.75rem;
  color: var(--fg); text-decoration: none; border-radius: var(--radius);
}
.nav-list a:hover { background: var(--accent-soft); }
.nav-list a[aria-current="page"] { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.account { display: flex; align-items: center; gap: 0.5rem; margin-inline-start: auto; }
.account-name { color: var(--muted); }
.app-main { max-width: var(--max); margin: 0 auto; padding: var(--gap); }
.app-main:focus { outline: none; }

.stack { display: grid; gap: var(--gap); }
.actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-block: var(--gap); }

/* ---- buttons */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  min-height: var(--target); padding: 0 1rem;
  font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); color: var(--fg);
}
.btn:hover:not(:disabled) { border-color: var(--accent); }
.btn:disabled, .btn[aria-busy="true"] { opacity: 0.6; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
.btn-danger { background: var(--surface); color: var(--danger); border-color: var(--danger); }
.btn-danger:hover:not(:disabled) { background: var(--danger-soft); }
.btn-ghost { border-color: transparent; background: transparent; color: var(--accent); }
.btn-ghost:hover:not(:disabled) { background: var(--accent-soft); border-color: transparent; }
.btn[aria-busy="true"]::after {
  content: ""; width: 1em; height: 1em; border: 2px solid currentcolor; border-inline-end-color: transparent;
  border-radius: 50%; animation: spin 0.8s linear infinite;
}

/* ---- form controls */

.field { display: grid; gap: 0.25rem; position: relative; }
.field-label { font-weight: 600; }
.req { color: var(--danger); }
.field-hint { margin: 0; color: var(--muted); font-size: 0.9rem; }
.field-error, .form-error { margin: 0; color: var(--danger); font-size: 0.95rem; }
.field-error[hidden], .form-error[hidden] { display: none; }

input[type="text"], input[type="email"], input[type="search"], input[type="number"], select, textarea {
  width: 100%; min-height: var(--target); padding: 0.5rem 0.75rem;
  font: inherit; color: var(--fg); background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
}
input[aria-invalid="true"], select[aria-invalid="true"] { border-color: var(--danger); }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
legend { padding: 0; margin-bottom: 0.25rem; }

.notice { margin: 0; padding: 0.75rem var(--gap); background: var(--warning-soft); border-radius: var(--radius); }

/* ---- combobox */

.combo-list {
  position: absolute; inset-inline: 0; top: 100%; z-index: 20; margin: 2px 0 0; padding: 0.25rem; list-style: none;
  max-height: 18rem; overflow-y: auto;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow);
}
.combo-list[hidden] { display: none; }
.combo-option { padding: 0.6rem 0.75rem; border-radius: calc(var(--radius) - 2px); cursor: pointer; }
.combo-option.is-active, .combo-option:hover { background: var(--accent-soft); }

/* ---- one-time code boxes */

.code-boxes { display: flex; gap: 0.4rem; }
.code-box { width: 2.75rem !important; min-width: 0; padding: 0 !important; text-align: center; font: 1.5rem var(--mono); }
@media (max-width: 22rem) { .code-box { width: 2.25rem !important; } }

/* ---- dialog */

.dialog {
  width: min(32rem, calc(100vw - 1.5rem)); max-height: calc(100vh - 2rem); padding: 0; overflow: auto;
  color: var(--fg); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow);
}
.dialog::backdrop { background: rgb(0 0 0 / 50%); }
.dialog-frame { padding: var(--gap); }
.dialog-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 0.5rem; }
.dialog-title { margin: 0 0 var(--gap); }
.dialog-close { min-width: var(--target); font-size: 1.5rem; }
.dialog-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.5rem; }
.dialog-text { margin-block: 0 var(--gap); }

/* ---- table, pager, badge, empty, spinner, tabs */

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.table { width: 100%; border-collapse: collapse; }
.table caption { padding: 0.5rem 0.75rem; text-align: start; font-weight: 600; }
.table th, .table td { padding: 0.5rem 0.75rem; text-align: start; border-top: 1px solid var(--border); white-space: nowrap; }
.table th.num, .table td.num { text-align: end; font-variant-numeric: tabular-nums; }
.table thead th { background: var(--bg); }
.th-sort { font: inherit; font-weight: 600; color: inherit; background: none; border: 0; padding: 0.5rem 0; min-height: var(--target); cursor: pointer; }
th[aria-sort="ascending"] .th-sort::after { content: " \25B2"; font-size: 0.7em; }
th[aria-sort="descending"] .th-sort::after { content: " \25BC"; font-size: 0.7em; }

.pager { display: flex; align-items: center; justify-content: center; gap: var(--gap); margin-block: var(--gap); }

.badge { display: inline-block; padding: 0.1rem 0.5rem; font-size: 0.8rem; font-weight: 600; border-radius: 999px; background: var(--bg); border: 1px solid var(--border); }
.badge-info { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.badge-success { background: var(--success-soft); color: var(--success); border-color: transparent; }
.badge-warning { background: var(--warning-soft); border-color: transparent; }
.badge-danger { background: var(--danger-soft); color: var(--danger); border-color: transparent; }

.empty { padding: 2rem var(--gap); text-align: center; background: var(--surface); border: 1px dashed var(--border); border-radius: var(--radius); }
.empty-error { border-color: var(--danger); }
.empty-text { color: var(--muted); max-width: 40rem; margin-inline: auto; }

.spinner { display: inline-flex; align-items: center; padding: var(--gap); }
.spinner-dot { width: 1.5rem; height: 1.5rem; border: 3px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.tablist { display: flex; gap: 0.25rem; border-bottom: 1px solid var(--border); overflow-x: auto; }
.tab { min-height: var(--target); padding: 0 1rem; font: inherit; font-weight: 600; color: var(--muted); background: none; border: 0; border-bottom: 3px solid transparent; cursor: pointer; }
.tab[aria-selected="true"] { color: var(--accent); border-bottom-color: var(--accent); }
.tabpanel { padding-block: var(--gap); }

/* ---- toasts */

.toasts { position: fixed; inset-inline: 0.75rem; bottom: 0.75rem; z-index: 200; display: grid; gap: 0.5rem; justify-items: end; pointer-events: none; }
.toast {
  display: flex; align-items: flex-start; gap: 0.5rem; max-width: 26rem; padding: 0.5rem 0.5rem 0.5rem 1rem; pointer-events: auto;
  background: var(--surface); color: var(--fg); border: 1px solid var(--border); border-inline-start-width: 4px; border-radius: var(--radius); box-shadow: var(--shadow);
}
.toast-text { margin: 0.35rem 0; flex: 1; }
.toast-success { border-inline-start-color: var(--success); }
.toast-error { border-inline-start-color: var(--danger); }
.toast-info { border-inline-start-color: var(--accent); }
.toast-close { min-width: 2rem; min-height: 2rem; font-size: 1.25rem; line-height: 1; color: var(--muted); background: none; border: 0; cursor: pointer; }

/* ---- auth */

.auth-card { max-width: 30rem; margin: 2rem auto; padding: 1.5rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.auth-alt { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: var(--gap); }
.auth-foot { margin: var(--gap) 0 0; color: var(--muted); }
.alternatives { padding-inline-start: 1.25rem; }
.alternatives li { margin-bottom: 0.5rem; }

/* ---- settings */

.subnav { display: flex; gap: 0.25rem; margin-bottom: var(--gap); border-bottom: 1px solid var(--border); }
.subnav a { display: inline-flex; align-items: center; min-height: var(--target); padding: 0 1rem; color: var(--muted); text-decoration: none; border-bottom: 3px solid transparent; font-weight: 600; }
.subnav a[aria-current="page"] { color: var(--accent); border-bottom-color: var(--accent); }
.settings-body form { max-width: 32rem; }
.settings-section { max-width: 44rem; margin-bottom: 2rem; padding: var(--gap); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.rows { list-style: none; margin: 0; padding: 0; }
.row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem; padding: 0.75rem 0; border-top: 1px solid var(--border); }
.row:first-child { border-top: 0; }
.row-main { display: flex; flex-direction: column; gap: 0.15rem; min-width: 0; overflow-wrap: anywhere; }
.row-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }

/* ---- dashboard */

.dashboard-header { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--gap); }
.dashboard-header h1 { margin: 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr)); gap: 0.75rem; margin: var(--gap) 0 0.5rem; }
.card { padding: 0.75rem var(--gap); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.card dt { color: var(--muted); font-size: 0.9rem; }
.card dd { margin: 0; font-size: 1.4rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.map-section { margin-top: var(--gap); }
.map-toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem; }
.map-host { position: relative; height: 60vh; min-height: 18rem; overflow: hidden; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.selection { margin-top: 0.75rem; padding: 0.75rem var(--gap); background: var(--surface); border: 1px solid var(--accent); border-radius: var(--radius); }
.selection[hidden] { display: none; }
.map-lists { margin-top: var(--gap); }
.map-lists summary { cursor: pointer; min-height: var(--target); display: flex; align-items: center; font-weight: 600; }
.map-lists .table-wrap { margin-bottom: var(--gap); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}