mg4/web/src/app/globals.css

/*
 * The car's palette, from app/src/main/res/values/colors.xml.
 *
 * Permanent OLED black with charcoal cards and muted gold/cyan accents — the same visual
 * direction AGENTS.md pins for the head unit, so the phone and the dash read as one app.
 * No light mode: this is looked at in a dark car as often as anywhere else.
 */
:root {
  --bg: #000000;
  --surface: #121212;
  --raised: #1b1d1e;
  --outline: #363b3d;
  --text: #f4f3ef;
  --muted: #bdc4c6;
  --accent: #d8c39a;
  --on-accent: #17140e;
  --cyan: #a0e2e0;
  --cyan-deep: #103436;
  --gold-surface: #28241b;
  --ok: #a4dcc1;
  --warn: #e9ca96;
  --error: #ffb4ab;

  --radius: 18px;
  --gap: 12px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums;
}

a {
  color: inherit;
  text-decoration: none;
}

/* The phone frame. Wide windows get the same column rather than a stretched dashboard. */
.shell {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100dvh;
  padding: 20px 16px calc(84px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}

.header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 4px;
}

.title {
  font-size: 26px;
  font-weight: 650;
  letter-spacing: -0.4px;
  margin: 0;
}

.subtitle {
  color: var(--muted);
  font-size: 13px;
  margin: 2px 0 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  padding: 16px;
}

.card-title {
  font-size: 12px;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 12px;
  font-weight: 600;
}

/* Headline numbers: two per row, gold for energy/cost, cyan for distance/efficiency. */
.tiles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
}

.tile {
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.tile.gold {
  background: linear-gradient(160deg, var(--gold-surface), var(--surface) 70%);
}

.tile.teal {
  background: linear-gradient(160deg, var(--cyan-deep), var(--surface) 70%);
}

.tile-label {
  font-size: 11px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

.tile-value {
  font-size: 24px;
  font-weight: 650;
  margin: 6px 0 0;
  letter-spacing: -0.5px;
}

.tile-unit {
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  margin-left: 3px;
}

.tile-note {
  font-size: 11px;
  color: var(--muted);
  margin: 4px 0 0;
}

/* Key/value rows inside a card. */
.rows {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-size: 14px;
}

.row + .row {
  border-top: 1px solid var(--outline);
  padding-top: 10px;
}

.row-key {
  color: var(--muted);
}

.row-value {
  font-weight: 600;
}

.list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.session {
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.session summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.session summary::-webkit-details-marker {
  display: none;
}

.session-when {
  font-size: 14px;
  font-weight: 600;
}

.session-meta {
  font-size: 12px;
  color: var(--muted);
  margin-top: 3px;
}

.session-energy {
  text-align: right;
  font-size: 18px;
  font-weight: 650;
  color: var(--accent);
  white-space: nowrap;
}

.session-cost {
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
}

.session-body {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--outline);
}

.chart {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}

.legend {
  display: flex;
  gap: 14px;
  font-size: 11px;
  color: var(--muted);
  margin-top: 8px;
}

.swatch {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  margin-right: 5px;
  vertical-align: baseline;
}

.empty {
  color: var(--muted);
  font-size: 14px;
  text-align: center;
  padding: 28px 12px;
}

/* Bottom navigation — the car app falls back to the same pattern below 1000dp. */
.nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--outline);
  padding: 8px 0 calc(8px + env(safe-area-inset-bottom));
}

.nav-inner {
  max-width: 480px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.nav a {
  text-align: center;
  padding: 8px 4px;
  font-size: 11px;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.3px;
}

.nav a[aria-current="page"] {
  color: var(--accent);
}

.nav-icon {
  display: block;
  font-size: 17px;
  margin-bottom: 2px;
}

/* Login */
.login {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.field {
  width: 100%;
  background: var(--raised);
  border: 1px solid var(--outline);
  border-radius: 12px;
  color: var(--text);
  padding: 13px 14px;
  font-size: 16px;
  margin-top: 16px;
}

.field:focus {
  outline: none;
  border-color: var(--accent);
}

.button {
  width: 100%;
  margin-top: 14px;
  background: var(--accent);
  color: var(--on-accent);
  border: none;
  border-radius: 12px;
  padding: 13px;
  font-size: 15px;
  font-weight: 650;
  cursor: pointer;
}

.error {
  color: var(--error);
  font-size: 13px;
  margin: 14px 0 0;
}

.signout {
  font: inherit;
  font-size: 12px;
  color: var(--muted);
  background: none;
  border: 1px solid var(--outline);
  border-radius: 999px;
  padding: 5px 12px;
  cursor: pointer;
}

/* ---------- Consumption date filter ---------- */

.filter-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.filter-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
}

.filter-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.date-input {
  width: auto;
  min-width: 0;
  flex: 1 1 150px;
  margin-top: 0;
  color-scheme: dark;
}

.filter-button {
  width: auto;
  margin-top: 0;
  padding: 12px 18px;
  flex: 0 0 auto;
}

.filter-clear {
  font: inherit;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--outline);
  border-radius: 12px;
  padding: 11px 14px;
  flex: 0 0 auto;
}

.filter-clear:active {
  border-color: var(--accent);
}

/* Highlighted selected day in the day-by-day list */
.session.selected {
  border-color: var(--accent);
}

.day-link {
  color: var(--text);
  text-decoration: none;
}

.day-link:active {
  color: var(--accent);
}