:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1d2330;
  --muted: #667085;
  --line: #e4e7ec;
  --accent: #1f6feb;
  --good: #0f7b4b;
  --warn: #b42318;
  --soft: #f0f4ff;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12151c;
    --card: #1b2029;
    --text: #e8ebf0;
    --muted: #9aa4b2;
    --line: #2c3340;
    --accent: #5b9bff;
    --good: #3ddc97;
    --warn: #ff7b72;
    --soft: #222a38;
  }
}
:root[data-theme="dark"] {
  --bg: #12151c;
  --card: #1b2029;
  --text: #e8ebf0;
  --muted: #9aa4b2;
  --line: #2c3340;
  --accent: #5b9bff;
  --good: #3ddc97;
  --warn: #ff7b72;
  --soft: #222a38;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  background: var(--bg);
  color: var(--text);
  line-height: 1.4;
  font-size: 15px;
}
main { padding: 16px; max-width: 1000px; margin: 0 auto; }
h2 { margin: 16px 0 8px; font-size: 20px; }
h3 { margin: 0 0 8px; font-size: 16px; }
.top {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  padding: 4px 12px; height: 40px; background: var(--card); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 1;
}
.top strong { font-size: 13px; }
.top .small { min-height: 28px; padding: 3px 8px; font-size: 12px; }
.who { color: var(--muted); margin-left: 8px; font-size: 12px; }
.panel, .card, .form { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px; margin-bottom: 14px; }
.panel[id^="private-trip-"] { scroll-margin-top: 90px; }
.alert-card { border: 1px solid var(--warn); border-left: 4px solid var(--warn); border-radius: 8px; margin: 14px 0; padding: 12px; }
.fuel-warning { color: var(--warn); font-weight: 600; margin-top: 5px; }
.review-history { border-top: 1px solid var(--line); padding: 12px 0; }
.workspace { display: block; max-width: 1440px; margin: auto; }
.module-nav { position: sticky; top: 40px; padding: 6px 12px; border-bottom: 1px solid var(--line); background: var(--card); z-index: 2; }
.nav-links { display: flex; flex-direction: row; gap: 6px; overflow-x: auto; scrollbar-width: thin; }
.nav-links button { flex-shrink: 0; white-space: nowrap; text-align: center; background: transparent; color: var(--muted); border: 0; border-radius: 8px; padding: 8px 12px; font-size: 12px; }
.nav-links button.active { background: var(--soft); color: var(--accent); font-weight: 700; }
.nav-count { background: var(--accent); color: white; padding: 2px 7px; border-radius: 20px; }
.module-content { width: 100%; min-width: 0; padding: 24px; margin: 0; max-width: none; }
.page-title { margin: 0 0 20px; }
.menu-toggle { display: none; }
.admin .menu-toggle { display: inline-block; min-height: 34px; padding: 5px 12px; font-size: 12px; }
.admin .module-nav { position: sticky; }
.admin .nav-links { display: none; position: absolute; top: calc(100% - 1px); left: 12px; min-width: 210px; max-height: min(70vh,560px); overflow-y: auto; flex-direction: column; gap: 2px; padding: 6px; border: 1px solid var(--line); border-radius: 0 0 10px 10px; background: var(--card); box-shadow: 0 8px 22px #0002; }
.admin .module-nav.expanded .nav-links { display: flex; }
.admin .nav-links button { width: 100%; text-align: left; font-size: 13px; }
.employee .nav-links { gap: 2px; }
summary { cursor: pointer; font-weight: 600; padding: 4px 0; }
.entry-form .form { margin: 12px 0 0; border: 0; padding: 0; }
.module-columns { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; }
@media (max-width: 760px) {
  .workspace { display: block; }
  .module-content { padding: 16px 12px; }
  .module-columns { grid-template-columns: 1fr; }
  .module-nav { padding: 5px 8px; }
  .nav-links { gap: 2px; }
  .employee .nav-links button { flex: 1; padding: 8px 4px; font-size: 12px; }
  .admin .nav-links button { padding: 10px 12px; font-size: 13px; }
}
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 8px; }
.cards .card { margin: 0; }
.card span { display: block; color: var(--muted); font-size: 13px; }
.card b { font-size: 20px; }
.card.good b { color: var(--good); }
.card.warn b { color: var(--warn); }
.hint, small, .empty { color: var(--muted); font-size: 13px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; margin-bottom: 12px; }
.nav { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.grid-forms { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.form { display: flex; flex-direction: column; gap: 8px; margin: 0; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
label.inline { flex-direction: row; align-items: center; gap: 6px; }
input, select, textarea, button {
  font: inherit; font-size: 15px; padding: 9px 10px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--card); color: var(--text);
}
input, select, textarea { width: 100%; min-width: 0; }
input[type="checkbox"] { width: auto; }
button { background: var(--accent); color: #fff; border: none; cursor: pointer; padding: 9px 14px; }
button.ghost { background: transparent; color: var(--accent); border: 1px solid var(--line); }
button.small { padding: 5px 9px; font-size: 13px; }
button.danger { background: var(--warn); }
.nav button { background: var(--card); color: var(--text); border: 1px solid var(--line); }
.nav button.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; font-size: 14px; }
th { color: var(--muted); font-weight: 600; font-size: 13px; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; background: var(--soft); }
.badge.open { color: var(--good); }
.badge.disputed { color: #b54708; }
.badge.void { color: var(--muted); text-decoration: line-through; }
.badge.absent { color: var(--warn); }
.badge.late { color: #b54708; }
.thumb { display: block; width: 72px; height: 54px; object-fit: cover; border-radius: 6px; margin-top: 4px; border: 1px solid var(--line); }
input[type=file] { padding: 7px; }
.dt { display: flex; flex-direction: column; gap: 4px; }
.dt .hm { display: flex; align-items: center; gap: 6px; }
.dt .hm select { width: auto; }
pre.rules { white-space: pre-wrap; font: inherit; margin: 0; }
textarea { font-family: inherit; }
.login { max-width: 360px; margin: 12vh auto; padding: 16px; }
.login form { display: flex; flex-direction: column; gap: 10px; background: var(--card); padding: 20px; border-radius: 12px; border: 1px solid var(--line); }
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.reason { color: var(--muted); font-size: 13px; margin-top: 4px; }
/* Phones: no zoom on input focus (iOS zooms when font is under 16px), bigger touch targets */
input, select, textarea { font-size: 16px; }
button { min-height: 40px; }
button.small { min-height: 34px; }
.cards { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 640px) {
  main { padding: 12px; }
  .top { padding: 4px 10px; }
  .who { display: inline; margin-left: 6px; }
  h2 { font-size: 20px; }
  .panel, .card, .form { padding: 12px; }
  .toolbar { flex-direction: column; align-items: stretch; gap: 10px; }
  .nav button { flex: 1 1 auto; }
  .card b { font-size: 20px; }

  /* Tables become one card per row */
  .scroll { overflow: visible; }
  table, tbody, tr, td { display: block; width: 100%; }
  thead { display: none; }
  tbody tr {
    border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px;
    margin-bottom: 10px; background: var(--card);
  }
  td { border: none; padding: 5px 0; }
  td[data-label]::before {
    content: attr(data-label); display: block; color: var(--muted); font-size: 12px; margin-bottom: 2px;
  }
  td:empty { display: none; }
  td .row-actions { margin-top: 4px; }
  td form.form { margin: 4px 0 0; padding: 8px; }
  .empty { padding: 4px 0; }
}