:root {
  color-scheme: light dark;
  --fg:#16232B; --bg:#F1F6F8; --surface:#FFFFFF; --border:#D9E4E9;
  --accent:#2C6E8F;      /* frost blue — calm / informational */
  --accent-warm:#D97F1E; /* plow-hazard amber — action / attention */
  --muted:#5C7180;
  --flash-bg:#E3EFF4; --flash-error-bg:#FBE7E2;
  --status-good:#2C7A56; --status-good-bg:#E1F1E9;
  --status-warn:#B4650F; --status-warn-bg:#FBEDD9;
  --status-danger:#B0413E; --status-danger-bg:#F8E4E2;
  --status-info:#2C6E8F; --status-info-bg:#E3EEF3;
  --status-neutral:#5C7180; --status-neutral-bg:#E9EEF0;
  --font-display: 'Barlow Semi Condensed', 'Arial Narrow', sans-serif;
  --font-body: 'Nunito Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --fg:#E4EDF1; --bg:#0F171C; --surface:#182229; --border:#2A3941;
    --accent:#6FB3D6; --accent-warm:#E8A24F; --muted:#93A7B2;
    --flash-bg:#1C3542; --flash-error-bg:#3B241F;
    --status-good:#6BC79A; --status-good-bg:#173327;
    --status-warn:#E8A24F; --status-warn-bg:#3A2B12;
    --status-danger:#E08683; --status-danger-bg:#3A211F;
    --status-info:#6FB3D6; --status-info-bg:#1C3542;
    --status-neutral:#93A7B2; --status-neutral-bg:#212E35;
  }
}
:root[data-theme="dark"] {
  --fg:#E4EDF1; --bg:#0F171C; --surface:#182229; --border:#2A3941;
  --accent:#6FB3D6; --accent-warm:#E8A24F; --muted:#93A7B2;
  --flash-bg:#1C3542; --flash-error-bg:#3B241F;
  --status-good:#6BC79A; --status-good-bg:#173327;
  --status-warn:#E8A24F; --status-warn-bg:#3A2B12;
  --status-danger:#E08683; --status-danger-bg:#3A211F;
  --status-info:#6FB3D6; --status-info-bg:#1C3542;
  --status-neutral:#93A7B2; --status-neutral-bg:#212E35;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
.container { padding: 1.25rem 1rem 3rem; max-width: 900px; margin: 0 auto; }

/* --- Nav: frost-to-hazard gradient bar marks the top of every page, like a plow's
   hazard strip — small, quiet, on-brand, not a hero. --- */
.topnav {
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between;
  padding: .8rem 1rem .7rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  border-top: 3px solid;
  border-image: linear-gradient(90deg, var(--accent), var(--accent-warm)) 1;
}
.brand { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: .01em; color: var(--fg); text-decoration: none; }
.nav-toggle { background:none; border:none; color:var(--fg); font-size:1.5rem; line-height:1; width:auto; padding:0; margin:0; cursor:pointer; }
.nav-links { display:none; flex-direction:column; gap:.15rem; width:100%; order:3; padding-top:.75rem; }
.nav-links.open { display:flex; }
.nav-links a {
  font-family: var(--font-display); font-weight: 600; font-size: .95rem; letter-spacing: .01em;
  text-decoration:none; color: var(--fg); padding:.55rem .25rem; border-radius: 5px;
}
.nav-links a:hover { color: var(--accent); background: var(--status-info-bg); }
@media (min-width: 700px) {
  .nav-toggle { display:none; }
  .nav-links { display:flex !important; flex-direction:row; gap:.25rem; width:auto; order:0; padding-top:0; }
}
.theme-toggle-btn {
  background:none; border:none; color:var(--fg); font-size:1.2rem; line-height:1;
  cursor:pointer; padding:.3rem; margin-left:.5rem; border-radius:6px;
}
.theme-toggle-btn:hover { background: var(--status-info-bg); }

/* --- Auth (login) --- */
.auth-shell { display:flex; justify-content:center; padding-top:2.5rem; }
.auth-card {
  width:100%; max-width:22rem; text-align:center;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 2rem 1.75rem;
}
.auth-icon { font-size: 2.2rem; margin-bottom: .3rem; }
.auth-card h1 { margin-top: 0; }
.auth-card .flash { text-align: left; font-size: .88rem; }
.auth-card label { text-align: left; }

/* --- Type scale --- */
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; text-wrap: balance; margin: 0 0 .6rem; }
h1 { font-size: clamp(1.6rem, 4vw, 2rem); letter-spacing: -.01em; margin-top: .2rem; }
h2 {
  font-size: 1rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  color: var(--muted); border-bottom: 1px solid var(--border);
  padding-bottom: .4rem; margin-top: 2rem;
}
h2:first-of-type { margin-top: 1.25rem; }
h2 a { color: inherit; text-decoration: underline; text-decoration-color: var(--border); text-underline-offset: .2em; }
h2 a:hover { color: var(--accent); text-decoration-color: var(--accent); }
p { line-height: 1.55; }

/* --- Tables: the app's real workhorse. Condensed header labels, tabular data,
   a hover row so scanning a long contract list on a phone actually works. --- */
table { width:100%; border-collapse: collapse; margin-bottom: 1rem; display: block; overflow-x: auto; }
th {
  text-align:left; padding:.55rem .6rem; font-family: var(--font-display);
  font-size: .78rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  color: var(--muted); border-bottom: 2px solid var(--border);
}
td { text-align:left; padding:.65rem .6rem; border-bottom:1px solid var(--border); }
tr:hover td { background: var(--status-info-bg); }
td:has(> a) a, table a { color: var(--accent); text-decoration: none; font-weight: 600; }
table a:hover { text-decoration: underline; }

/* Money/date columns line up like a real dispatch board */
td:nth-last-child(1), td:nth-last-child(2) { font-variant-numeric: tabular-nums; }

/* --- Status pills: the app's one signature UI element. Color encodes state,
   not decoration — good=green, waiting/action=amber, danger=red, calm=blue,
   neutral=slate. --- */
.status-pill {
  display: inline-flex; align-items: center; gap: .35rem;
  font-family: var(--font-display); font-weight: 600; font-size: .8rem;
  letter-spacing: .02em; padding: .28rem .65rem; border-radius: 999px; white-space: nowrap;
}
.status-pill::before { content: ""; width: .45rem; height: .45rem; border-radius: 50%; background: currentColor; }
.status-active, .status-operational { color: var(--status-good); background: var(--status-good-bg); }
.status-pending_renewal, .status-needs_maintenance { color: var(--status-warn); background: var(--status-warn-bg); }
.status-lapsed, .status-out_of_service { color: var(--status-danger); background: var(--status-danger-bg); }
.status-sent_awaiting_signature { color: var(--status-info); background: var(--status-info-bg); }
.status-draft { color: var(--status-neutral); background: var(--status-neutral-bg); }

/* --- Dashboard: stat cards are the landing page's summary at a glance, numbers set
   in the mono/data face like everywhere else in the app that shows a figure. --- */
.stat-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: .75rem; margin-bottom: 1.5rem;
}
.stat-card {
  display: flex; flex-direction: column; gap: .2rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  padding: 1rem 1.1rem; text-decoration: none; color: inherit;
  border-top: 3px solid var(--accent); transition: filter .1s ease;
}
.stat-card:hover { filter: brightness(.97); text-decoration: none; }
.stat-card-warn { border-top-color: var(--status-danger); }
.stat-number { font-family: var(--font-mono); font-weight: 600; font-size: 1.9rem; line-height: 1; color: var(--fg); }
.stat-label { font-size: .82rem; color: var(--muted); font-weight: 600; }

.fleet-glance, .quick-actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.quick-actions a > button { margin-bottom: 0; }

/* --- Action rows: a group of buttons/forms sitting side by side (detail-page
   edit/notify/delete, etc.) — flex+gap instead of `display:inline` margin hacks,
   so wrapped rows on a narrow phone get consistent spacing instead of touching. --- */
.actions-row { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.actions-row > a, .actions-row > form { margin: 0; width: auto; }
.actions-row button { margin-bottom: 0; }

/* --- Flash messages --- */
.flash { padding:.7rem 1rem; margin-bottom:1.25rem; border-radius:6px; background:var(--flash-bg); border-left: 3px solid var(--accent); }
.flash-error { background:var(--flash-error-bg); border-left-color: var(--status-danger); }

/* --- Forms --- */
label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .3rem; }
input, textarea, select, button { font-size:1rem; font-family: inherit; padding:.6rem .7rem; width:100%; margin-bottom:.85rem; }
input, textarea, select {
  background:var(--surface); color:var(--fg); border:1px solid var(--border); border-radius:6px;
}
input:focus, textarea:focus, select:focus, button:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent-warm); outline-offset: 1px;
}

/* --- Buttons: solid amber = primary/actionable (send, save, notify), matching
   the plow-hazard accent; .btn-secondary = quiet outline for edit/cancel-weight
   actions; .btn-danger = destructive (delete). --- */
button {
  width:auto; font-family: var(--font-display); font-weight: 600; letter-spacing: .01em;
  background: var(--accent-warm); color:#1A1206; border:none; border-radius:6px;
  padding:.65rem 1.3rem; cursor:pointer; transition: filter .1s ease;
}
button:hover { filter: brightness(1.08); }
button:active { filter: brightness(.95); }
.btn-secondary { background: transparent; color: var(--accent); border: 1px solid var(--border); }
.btn-danger { background: var(--status-danger); color: #fff; }
td button, th button { width: auto; padding: .4rem .75rem; font-size: .85rem; margin-bottom: 0; white-space: nowrap; }

a > button, form[style*="display:inline"] button { margin-bottom: 0; }

/* Numbered route-order badge on the map (Leaflet permanent tooltip, direction:center) */
.leaflet-tooltip.route-number {
  background: var(--accent-warm); color: #1A1206; border: 2px solid var(--surface);
  border-radius: 50%; width: 1.5rem; height: 1.5rem; padding: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-weight: 600; font-size: .75rem; box-shadow: 0 1px 3px rgba(0,0,0,.3);
}
.leaflet-tooltip.route-number::before { display: none; }

@media (max-width: 480px) {
  .container { padding: 1rem .85rem 3rem; }
}