/* ---------------------------------------------------------------------------
   Garage Log — "service logbook / instrument panel" identity
   Palette: cool steel neutrals + a petrol accent; semantic ok/warn/danger
   kept separate from the accent so status reads at a glance.
--------------------------------------------------------------------------- */

:root {
  --bg: #eaeef1;
  --surface: #ffffff;
  --surface-2: #f4f7f8;
  --ink: #16212b;
  --muted: #566673;
  --faint: #8695a1;
  --border: #d9e0e6;
  --border-strong: #c3ccd3;
  --accent: #0c7a88;
  --accent-2: #0a6570;
  --accent-ink: #ffffff;
  --accent-tint: #e2f1f3;

  --ok: #227a45;
  --ok-tint: #e3f2e8;
  --warn: #a96a08;
  --warn-tint: #f8eed7;
  --danger: #bb3626;
  --danger-tint: #f8e3df;

  --shadow: 0 1px 2px rgba(20, 33, 43, .06), 0 6px 20px rgba(20, 33, 43, .06);
  --shadow-lg: 0 10px 40px rgba(20, 33, 43, .18);
  --radius: 14px;
  --radius-sm: 9px;

  --font-ui: "IBM Plex Sans Thai", "Sarabun", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f141a;
    --surface: #172029;
    --surface-2: #1e2831;
    --ink: #e6edf2;
    --muted: #9aabb7;
    --faint: #67788599;
    --faint: #687987;
    --border: #29343e;
    --border-strong: #37444f;
    --accent: #2bb2c1;
    --accent-2: #219eac;
    --accent-ink: #04222a;
    --accent-tint: #103139;

    --ok: #52b978;
    --ok-tint: #14311f;
    --warn: #e0a53a;
    --warn-tint: #35290f;
    --danger: #ef6f5c;
    --danger-tint: #3a1c16;

    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 6px 20px rgba(0, 0, 0, .35);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, .55);
  }
}

:root[data-theme="dark"] {
  --bg: #0f141a;
  --surface: #172029;
  --surface-2: #1e2831;
  --ink: #e6edf2;
  --muted: #9aabb7;
  --faint: #687987;
  --border: #29343e;
  --border-strong: #37444f;
  --accent: #2bb2c1;
  --accent-2: #219eac;
  --accent-ink: #04222a;
  --accent-tint: #103139;
  --ok: #52b978;
  --ok-tint: #14311f;
  --warn: #e0a53a;
  --warn-tint: #35290f;
  --danger: #ef6f5c;
  --danger-tint: #3a1c16;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 6px 20px rgba(0, 0, 0, .35);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, .55);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; font-weight: 600; text-wrap: balance; line-height: 1.25; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 1rem; }

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.hidden { display: none !important; }

/* --- App bar ---------------------------------------------------------- */
.appbar {
  position: sticky; top: 0; z-index: 20;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.appbar-inner {
  max-width: 1000px; margin: 0 auto;
  padding: 12px 16px 0;
  display: flex; flex-direction: column; gap: 10px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--accent); color: var(--accent-ink);
  display: grid; place-items: center; flex: none;
}
.brand-mark svg { width: 20px; height: 20px; }
.brand-title { font-size: 1.05rem; font-weight: 600; letter-spacing: .2px; }
.brand-sub { font-size: .72rem; color: var(--faint); letter-spacing: .5px; text-transform: uppercase; }
.appbar-actions { margin-left: auto; display: flex; gap: 6px; }

.icon-btn {
  width: 38px; height: 38px; border-radius: 9px;
  border: 1px solid var(--border); background: var(--surface-2); color: var(--muted);
  display: grid; place-items: center; font-size: 1.1rem;
}
.icon-btn:hover { color: var(--ink); border-color: var(--border-strong); }
.icon-btn svg { width: 18px; height: 18px; }

/* --- Vehicle tabs ----------------------------------------------------- */
.vtabs {
  display: flex; gap: 6px; overflow-x: auto; padding-bottom: 12px;
  scrollbar-width: thin;
}
.vtabs::-webkit-scrollbar { height: 5px; }
.vtabs::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
.vtab {
  flex: none; padding: 8px 14px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface-2);
  color: var(--muted); font-size: .9rem; font-weight: 500;
  display: flex; align-items: center; gap: 7px; white-space: nowrap;
}
.vtab .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); flex: none; }
.vtab.active { background: var(--ink); color: var(--surface); border-color: var(--ink); }
.vtab.add { color: var(--accent); border-style: dashed; border-color: var(--accent); background: transparent; }

/* --- Layout ----------------------------------------------------------- */
main { max-width: 1000px; margin: 0 auto; padding: 18px 16px 120px; }
.section { margin-top: 26px; }
.section-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.section-head h2 { font-size: 1rem; letter-spacing: .3px; }
.section-head .count {
  font-size: .78rem; color: var(--muted); background: var(--surface-2);
  border: 1px solid var(--border); padding: 1px 8px; border-radius: 999px;
}
.section-head .spacer { flex: 1; }
.link-btn { background: none; border: none; color: var(--accent); font-weight: 600; font-size: .88rem; padding: 4px; }

/* --- KPI tiles -------------------------------------------------------- */
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.kpi {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow);
}
.kpi .label { font-size: .74rem; color: var(--muted); letter-spacing: .3px; }
.kpi .value { font-size: 1.35rem; font-weight: 600; margin-top: 4px; }
.kpi .value small { font-size: .8rem; color: var(--faint); font-weight: 500; }
.kpi.alert .value { color: var(--danger); }

/* --- Cards ------------------------------------------------------------ */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.stack { display: flex; flex-direction: column; gap: 10px; }

/* --- Reminder cards --------------------------------------------------- */
.reminder {
  display: flex; align-items: center; gap: 14px; padding: 14px 16px;
  border-left: 4px solid var(--border-strong);
}
.reminder.ok { border-left-color: var(--ok); }
.reminder.soon { border-left-color: var(--warn); }
.reminder.overdue { border-left-color: var(--danger); }
.reminder .r-main { flex: 1; min-width: 0; }
.reminder .r-label { font-weight: 600; display: flex; align-items: center; gap: 8px; }
.reminder .r-sub { font-size: .82rem; color: var(--muted); margin-top: 2px; }
.reminder .r-metric { text-align: right; flex: none; }
.reminder .r-metric .big { font-size: 1.05rem; font-weight: 600; }
.reminder .r-metric .unit { font-size: .72rem; color: var(--faint); }

.pill {
  font-size: .72rem; font-weight: 600; padding: 2px 9px; border-radius: 999px;
  letter-spacing: .2px; white-space: nowrap;
}
.pill.ok { background: var(--ok-tint); color: var(--ok); }
.pill.soon { background: var(--warn-tint); color: var(--warn); }
.pill.overdue { background: var(--danger-tint); color: var(--danger); }
.pill.ghost { background: var(--surface-2); color: var(--muted); border: 1px solid var(--border); }

.r-actions { display: flex; flex-direction: column; gap: 6px; flex: none; }
.mini-btn {
  font-size: .78rem; padding: 6px 10px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface-2); color: var(--muted); white-space: nowrap;
}
.mini-btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.mini-btn:hover { border-color: var(--border-strong); }

/* --- Cost breakdown --------------------------------------------------- */
.breakdown { padding: 16px; }
.bd-row { display: flex; align-items: center; gap: 12px; padding: 7px 0; }
.bd-row .bd-label { width: 130px; flex: none; font-size: .86rem; color: var(--muted); }
.bd-bar-wrap { flex: 1; height: 10px; background: var(--surface-2); border-radius: 6px; overflow: hidden; }
.bd-bar { height: 100%; background: var(--accent); border-radius: 6px; }
.bd-row .bd-val { width: 92px; flex: none; text-align: right; font-size: .86rem; font-weight: 600; }

/* --- History timeline ------------------------------------------------- */
.toolbar { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.toolbar input, .toolbar select {
  padding: 9px 12px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--surface); color: var(--ink);
}
.toolbar input { flex: 1; min-width: 160px; }

.svc {
  padding: 14px 16px; border-bottom: 1px solid var(--border);
  display: flex; gap: 14px;
}
.svc:last-child { border-bottom: none; }
.svc-date { flex: none; width: 58px; text-align: center; }
.svc-date .d { font-size: 1.3rem; font-weight: 600; line-height: 1; }
.svc-date .m { font-size: .72rem; color: var(--muted); text-transform: uppercase; }
.svc-date .y { font-size: .68rem; color: var(--faint); }
.svc-body { flex: 1; min-width: 0; }
.svc-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.cat-chip {
  font-size: .76rem; font-weight: 600; padding: 2px 9px; border-radius: 7px;
  background: var(--accent-tint); color: var(--accent-2);
}
:root[data-theme="dark"] .cat-chip, :root:not([data-theme="light"]) .cat-chip { color: var(--accent); }
.svc-meta { font-size: .82rem; color: var(--muted); margin-top: 4px; display: flex; gap: 12px; flex-wrap: wrap; }
.svc-symptom { margin-top: 6px; font-size: .9rem; }
.svc-parts { margin-top: 8px; display: flex; flex-wrap: wrap; gap: 6px; }
.part-tag {
  font-size: .76rem; padding: 3px 9px; border-radius: 7px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--muted);
}
.svc-cost { flex: none; text-align: right; }
.svc-cost .amt { font-weight: 600; font-size: 1.02rem; }
.svc-cost .mi { font-size: .74rem; color: var(--faint); margin-top: 2px; }
.svc-edit { background: none; border: none; color: var(--faint); font-size: .8rem; padding: 4px; margin-top: 6px; }
.svc-edit:hover { color: var(--accent); }

.warn-badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: .74rem; font-weight: 600; padding: 2px 8px; border-radius: 7px;
  background: var(--warn-tint); color: var(--warn);
}
.warn-badge.dup { background: var(--danger-tint); color: var(--danger); }

/* --- Empty states ----------------------------------------------------- */
.empty { text-align: center; padding: 40px 20px; color: var(--muted); }
.empty .big { font-size: 2.4rem; margin-bottom: 8px; }
.empty p { margin: 6px 0 16px; }

/* --- FAB -------------------------------------------------------------- */
.fab {
  position: fixed; right: 18px; bottom: 22px; z-index: 30;
  height: 54px; padding: 0 22px; border-radius: 999px;
  background: var(--accent); color: var(--accent-ink); border: none;
  font-size: 1rem; font-weight: 600; box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 8px;
}
.fab svg { width: 20px; height: 20px; }

/* --- Modal / sheet ---------------------------------------------------- */
.overlay {
  position: fixed; inset: 0; z-index: 50; background: rgba(10, 16, 22, .5);
  display: flex; align-items: flex-end; justify-content: center;
  padding: 0; backdrop-filter: blur(2px);
}
@media (min-width: 640px) { .overlay { align-items: center; padding: 24px; } }
.sheet {
  background: var(--surface); width: 100%; max-width: 560px;
  border-radius: 18px 18px 0 0; box-shadow: var(--shadow-lg);
  max-height: 92vh; overflow-y: auto;
}
@media (min-width: 640px) { .sheet { border-radius: 18px; } }
.sheet-head {
  position: sticky; top: 0; background: var(--surface);
  padding: 18px 20px 12px; display: flex; align-items: center;
  border-bottom: 1px solid var(--border); z-index: 2;
}
.sheet-head h3 { font-size: 1.1rem; }
.sheet-head .x { margin-left: auto; background: none; border: none; color: var(--muted); font-size: 1.5rem; line-height: 1; padding: 0 4px; }
.sheet-body { padding: 18px 20px; }
.sheet-foot {
  position: sticky; bottom: 0; background: var(--surface);
  padding: 14px 20px; border-top: 1px solid var(--border);
  display: flex; gap: 10px;
}

/* --- Forms ------------------------------------------------------------ */
.field { margin-bottom: 14px; }
.field label { display: block; font-size: .82rem; color: var(--muted); margin-bottom: 5px; font-weight: 500; }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong); background: var(--surface); color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--accent); outline-offset: 0; border-color: var(--accent);
}
.field textarea { min-height: 64px; resize: vertical; }
.field .hint { font-size: .74rem; color: var(--faint); margin-top: 4px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.seg { display: flex; gap: 8px; }
.seg label {
  flex: 1; text-align: center; padding: 10px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong); background: var(--surface-2); color: var(--muted);
  cursor: pointer; font-size: .9rem;
}
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg label.on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

.parts-editor { border: 1px dashed var(--border-strong); border-radius: var(--radius-sm); padding: 10px; }
.part-row { display: grid; grid-template-columns: 1fr 84px 84px 30px; gap: 6px; margin-bottom: 6px; align-items: center; }
.part-row input { padding: 8px; font-size: .88rem; }
.part-row .rm { background: none; border: none; color: var(--danger); font-size: 1.1rem; }
.part-head { font-size: .72rem; color: var(--faint); }

.btn {
  padding: 12px 18px; border-radius: var(--radius-sm); border: 1px solid var(--border-strong);
  background: var(--surface-2); color: var(--ink); font-weight: 600; font-size: .95rem;
}
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); flex: 1; }
.btn.danger { background: var(--danger-tint); color: var(--danger); border-color: var(--danger-tint); }
.btn.block { width: 100%; }

/* --- Login ------------------------------------------------------------ */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: 100%; max-width: 360px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); text-align: center; }
.login-card .brand-mark { width: 52px; height: 52px; margin: 0 auto 16px; border-radius: 13px; }
.login-card .brand-mark svg { width: 30px; height: 30px; }
.login-card h1 { font-size: 1.3rem; margin-bottom: 6px; }
.login-card p { color: var(--muted); font-size: .9rem; margin: 0 0 20px; }
.login-card input { width: 100%; margin-bottom: 12px; }
.login-err { color: var(--danger); font-size: .86rem; min-height: 20px; }

/* --- Toast ------------------------------------------------------------ */
.toast {
  position: fixed; left: 50%; bottom: 90px; transform: translateX(-50%);
  background: var(--ink); color: var(--surface); padding: 11px 18px; border-radius: 999px;
  font-size: .9rem; box-shadow: var(--shadow-lg); z-index: 80; opacity: 0;
  transition: opacity .2s, transform .2s; pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(-4px); }

@media (max-width: 560px) {
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .reminder { flex-wrap: wrap; }
  .r-actions { flex-direction: row; width: 100%; }
  .bd-row .bd-label { width: 92px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}