/* Mercedes C300e (S206) dashboard — dark, calm, elegant.
   Design tokens first; components below. No external assets (CSP self-only). */

:root {
  --bg: #0a0c0e;
  --bg-2: #0f1215;
  --card: #14181c;
  --card-2: #191e23;
  --line: #242a30;
  --line-soft: #1c2126;

  --ink: #e9ecef;
  --ink-soft: #a3abb2;
  --ink-faint: #6b747c;

  --accent: #6fb1e6;        /* cool Mercedes silver-blue */
  --accent-deep: #3d84bf;
  --accent-tint: rgba(111, 177, 230, 0.12);

  --good: #58c98b;
  --warn: #e0b64a;
  --bad: #e06a5e;

  --r: 14px;
  --r-sm: 10px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "SF Mono", "Cascadia Mono", "Roboto Mono", Consolas, monospace;
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.02), 0 8px 24px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-weight: 600; letter-spacing: -0.01em; margin: 0; }
a { color: var(--accent); text-decoration: none; }

/* --- brand mark --- */
.brand-mark { display: flex; align-items: center; gap: 12px; }
.brand-mark .star {
  width: 34px; height: 34px; border-radius: 50%;
  border: 1.5px solid var(--ink-soft);
  position: relative; flex: 0 0 auto;
}
.brand-mark .star::before,
.brand-mark .star::after {
  content: ""; position: absolute; inset: 0; margin: auto;
  width: 1.5px; height: 13px; background: var(--ink-soft);
  transform-origin: center bottom; top: 4px; left: 0; right: 0;
}
.brand-mark .star::after { transform: rotate(120deg); }
.brand-mark .star i {
  position: absolute; inset: 0; margin: auto; width: 1.5px; height: 13px;
  background: var(--ink-soft); transform: rotate(240deg); transform-origin: center bottom; top: 4px;
}
.brand-model { margin: 0; font-weight: 600; letter-spacing: 0.02em; }
.brand-series { margin: 0; font-size: 12px; color: var(--ink-faint); letter-spacing: 0.04em; }
.brand-mark.small .star { width: 26px; height: 26px; }
.brand-mark.small .star::before, .brand-mark.small .star::after { height: 10px; top: 3px; }

/* --- login --- */
.login-wrap {
  min-height: 100dvh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 18px; padding: 24px;
  background: radial-gradient(1200px 600px at 50% -10%, #12171c 0%, var(--bg) 60%);
}
.login-card {
  width: 100%; max-width: 380px; background: var(--card);
  border: 1px solid var(--line); border-radius: var(--r);
  padding: 30px 28px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 16px;
}
.login-title { font-size: 20px; margin-top: 4px; }
.login-foot { color: var(--ink-faint); font-size: 12.5px; max-width: 380px; text-align: center; }
.login-intro { color: var(--ink-soft); font-size: 13.5px; line-height: 1.55; margin: 0; }
.login-note { color: var(--ink-faint); font-size: 12.5px; margin: 4px 0 0; }

/* auth-tier chips: make the two login levels unmistakable */
.tier-chip {
  display: inline-block; font-size: 10.5px; letter-spacing: .06em; text-transform: uppercase;
  padding: 3px 9px; border-radius: 999px; border: 1px solid var(--line); align-self: flex-start;
}
.tier-app { color: var(--accent); border-color: var(--accent-deep); background: var(--accent-tint); }
.tier-merc { color: var(--good); border-color: #204534; background: rgba(88,201,139,.08); }
.pill-app { color: var(--accent); border-color: var(--accent-deep); background: var(--accent-tint); }

.loginstatus { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.ls-row { display: flex; align-items: center; gap: 10px; }
.ls-txt { color: var(--ink-soft); font-size: 13px; }

.field { display: flex; flex-direction: column; gap: 6px; }
.field span { font-size: 12.5px; color: var(--ink-soft); }
.field input {
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: var(--r-sm); color: var(--ink);
  padding: 11px 12px; font-size: 15px; font-family: var(--sans);
}
.field input:focus { outline: none; border-color: var(--accent-deep); box-shadow: 0 0 0 3px var(--accent-tint); }

.btn {
  border: 1px solid var(--line); background: var(--card-2); color: var(--ink);
  border-radius: var(--r-sm); padding: 10px 16px; font-size: 14px; font-weight: 500;
  cursor: pointer; font-family: var(--sans); transition: border-color .15s, background .15s;
}
.btn:hover { border-color: var(--ink-faint); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--accent-deep); border-color: var(--accent-deep); color: #fff; }
.btn-primary:hover { background: var(--accent); border-color: var(--accent); }
.btn-ghost { background: transparent; }
.btn-danger { color: var(--bad); border-color: #3a2422; }
.btn-danger:hover { background: #2a1c1b; }

.error { color: var(--bad); font-size: 13px; margin: 0; }

/* --- app shell --- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; border-bottom: 1px solid var(--line-soft);
  background: var(--bg-2); position: sticky; top: 0; z-index: 10;
}
.topbar-right { display: flex; align-items: center; gap: 12px; }

.pill {
  font-size: 12px; padding: 4px 11px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--ink-soft);
}
.pill-good { color: var(--good); border-color: #204534; background: rgba(88,201,139,.08); }
.pill-bad { color: var(--bad); border-color: #45211f; background: rgba(224,106,94,.08); }
.pill-muted { color: var(--ink-faint); }

.layout { display: grid; grid-template-columns: 220px 1fr; min-height: calc(100dvh - 57px); }
.sidenav { border-right: 1px solid var(--line-soft); padding: 16px 12px; background: var(--bg-2); }
.nav-item {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 9px 12px; border-radius: var(--r-sm); color: var(--ink-soft);
  background: none; border: none; font-size: 14px; cursor: pointer; text-align: left;
  font-family: var(--sans); margin-bottom: 2px;
}
.nav-item:hover { background: var(--card); color: var(--ink); }
.nav-item.active { background: var(--accent-tint); color: var(--accent); }
.nav-item:disabled { color: var(--ink-faint); cursor: default; }
.nav-item .soon { margin-left: auto; font-size: 10px; color: var(--ink-faint); border: 1px solid var(--line); padding: 1px 6px; border-radius: 6px; }

.content { padding: 26px 30px; max-width: 1100px; }
.page-head { margin-bottom: 22px; }
.page-head h2 { font-size: 22px; }
.page-head p { color: var(--ink-soft); margin: 6px 0 0; font-size: 13.5px; }

/* --- cards / grid --- */
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--r); padding: 18px; box-shadow: var(--shadow);
}
.card h3 { font-size: 13px; color: var(--ink-soft); font-weight: 500; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 12px; }
.kv { display: flex; justify-content: space-between; padding: 7px 0; border-top: 1px solid var(--line-soft); font-size: 14px; }
.kv:first-of-type { border-top: none; }
.kv .k { color: var(--ink-soft); }
.kv .v { color: var(--ink); font-variant-numeric: tabular-nums; }

.notice {
  border: 1px dashed var(--line); border-radius: var(--r);
  padding: 16px 18px; color: var(--ink-soft); font-size: 13.5px; background: var(--bg-2);
}
.notice strong { color: var(--ink); }

.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }

/* --- vehicle list --- */
.veh-list { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }
.veh {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r-sm);
  padding: 14px 16px;
}
.veh .vmodel { font-weight: 600; }
.veh .vvin { color: var(--ink-faint); font-family: var(--mono); font-size: 12px; }

/* --- capability matrix --- */
.cap-group { margin-top: 18px; }
.cap-row { display: flex; justify-content: space-between; padding: 6px 0; border-top: 1px solid var(--line-soft); font-size: 13.5px; }
.cap-name { color: var(--ink-soft); }
.tag { font-size: 11px; padding: 2px 8px; border-radius: 6px; border: 1px solid var(--line); }
.tag-yes { color: var(--good); border-color: #204534; }
.tag-pin { color: var(--warn); border-color: #453a20; }
.tag-no { color: var(--ink-faint); }
.tag-unknown { color: var(--ink-faint); border-style: dashed; }

/* --- wizard --- */
.wizard { max-width: 460px; }
.step-dot { color: var(--ink-faint); font-size: 12px; letter-spacing: .05em; text-transform: uppercase; }

.spinner { display: inline-block; width: 15px; height: 15px; border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin .7s linear infinite; vertical-align: -2px; }
@keyframes spin { to { transform: rotate(360deg); } }

.muted { color: var(--ink-faint); font-size: 13px; }
.btn-sm { padding: 6px 11px; font-size: 13px; }
.card-wide { grid-column: 1 / -1; }
.kv .v .age { color: var(--ink-faint); font-size: 11.5px; margin-left: 8px; }
.datastamp { color: var(--ink-faint); font-size: 12.5px; margin: 0 0 14px; }

/* filter / subnav chips */
.filterbar, .subnav { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 18px; }
.subnav { border-bottom: 1px solid var(--line-soft); padding-bottom: 14px; }
.chip {
  background: var(--card); border: 1px solid var(--line); color: var(--ink-soft);
  border-radius: 999px; padding: 7px 14px; font-size: 13px; cursor: pointer; font-family: var(--sans);
}
.chip:hover { border-color: var(--ink-faint); color: var(--ink); }
.chip.active { background: var(--accent-tint); border-color: var(--accent-deep); color: var(--accent); }
.fsep { color: var(--ink-faint); font-size: 12px; }
.date-in {
  background: var(--bg-2); border: 1px solid var(--line); color: var(--ink);
  border-radius: var(--r-sm); padding: 6px 10px; font-size: 13px; font-family: var(--sans);
  color-scheme: dark;
}
.date-in:focus { outline: none; border-color: var(--accent-deep); }

/* insight text box */
.insight {
  background: linear-gradient(180deg, var(--card-2), var(--card));
  border: 1px solid var(--line); border-left: 3px solid var(--accent-deep);
  border-radius: var(--r-sm); padding: 14px 16px; color: var(--ink-soft);
  font-size: 14px; line-height: 1.6; margin-bottom: 18px;
}

/* trip / charging list */
.trip-list { display: flex; flex-direction: column; gap: 10px; margin-top: 18px; }
.trip-day { color: var(--ink-faint); font-size: 12px; letter-spacing: .05em; text-transform: uppercase; margin: 14px 0 2px; }
.trip {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r);
  padding: 14px 16px; cursor: pointer; transition: border-color .15s;
}
.trip:hover { border-color: var(--ink-faint); }
.trip-top { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.trip-time { font-weight: 600; font-variant-numeric: tabular-nums; }
.trip-dist { color: var(--ink-soft); font-size: 13.5px; font-variant-numeric: tabular-nums; }
.trip-sub { color: var(--ink-faint); font-size: 13px; margin-top: 6px; }
.trip-actions { margin-top: 10px; display: flex; gap: 8px; }

/* map */
.map-box { height: 340px; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: var(--card); }
.map-large { height: 560px; }
.leaflet-container { background: #0d0f12; font-family: var(--sans); }
.leaflet-popup-content-wrapper, .leaflet-tooltip {
  background: var(--card); color: var(--ink); border: 1px solid var(--line);
}
.leaflet-tooltip { box-shadow: none; }
.leaflet-popup-tip { background: var(--card); }

/* charts */
.chart-empty { color: var(--ink-faint); font-size: 13px; padding: 26px 6px; text-align: center; }

/* calendar */
.cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.cal-h { text-align: center; color: var(--ink-faint); font-size: 11px; padding-bottom: 4px; }
.cal-d {
  aspect-ratio: 1 / 1; border: 1px solid var(--line-soft); border-radius: 8px;
  padding: 6px; display: flex; flex-direction: column; justify-content: space-between; min-height: 54px;
}
.cal-d.has { background: color-mix(in srgb, var(--accent) calc(var(--i, .2) * 100%), transparent); border-color: var(--accent-deep); }
.cal-n { font-size: 12px; color: var(--ink-soft); }
.cal-km { font-size: 11px; color: var(--ink); font-variant-numeric: tabular-nums; }

@media (max-width: 760px) {
  .layout { grid-template-columns: 1fr; }
  .sidenav { display: flex; overflow-x: auto; border-right: none; border-bottom: 1px solid var(--line-soft); }
  .nav-item { white-space: nowrap; }
  .nav-item .soon { display: none; }
  .content { padding: 20px 16px; }
  .map-large { height: 420px; }
}