:root {
  --color-primary: #2563eb;
  --color-primary-strong: #1d4ed8;
  --color-accent: #047857;
  --color-danger: #b91c1c;
  --color-warning: #a16207;
  --color-bg: var(--tg-theme-bg-color, #f8fafc);
  --color-surface: var(--tg-theme-secondary-bg-color, #ffffff);
  --color-text: var(--tg-theme-text-color, #0f172a);
  --color-muted-text: var(--tg-theme-hint-color, #526277);
  --color-border: #dbe4f0;
  --color-soft: #eef4ff;
  --shadow-card: 0 10px 30px rgba(15, 23, 42, 0.08);
  --radius-lg: 20px;
  --radius-md: 14px;
  --safe-top: max(18px, env(safe-area-inset-top));
  --safe-bottom: max(24px, env(safe-area-inset-bottom));
}

* { box-sizing: border-box; }

html { background: var(--color-bg); }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100dvh;
  background:
    radial-gradient(circle at 100% 0, rgba(37, 99, 235, 0.11), transparent 30rem),
    var(--color-bg);
  color: var(--color-text);
  font-family: "Segoe UI", "Fira Sans", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

button, input, select { font: inherit; }
button, select { cursor: pointer; }

button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--color-primary) 45%, transparent);
  outline-offset: 2px;
}

svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.app-shell {
  width: min(100%, 920px);
  margin: 0 auto;
  padding: var(--safe-top) 16px var(--safe-bottom);
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.eyebrow {
  margin: 0 0 3px;
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 2px; font-size: clamp(1.75rem, 7vw, 2.4rem); line-height: 1.15; }
.updated-at { margin-bottom: 0; color: var(--color-muted-text); font-size: 0.875rem; }

.icon-button {
  display: inline-grid;
  place-items: center;
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: 0 5px 18px rgba(15, 23, 42, 0.06);
  transition: background-color 180ms ease, transform 180ms ease;
}
.icon-button:active { transform: scale(0.96); }

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.metric {
  min-height: 92px;
  padding: 14px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}
.metric strong { display: block; font-size: 1.65rem; line-height: 1.1; font-variant-numeric: tabular-nums; }
.metric span { display: block; margin-top: 6px; color: var(--color-muted-text); font-size: 0.78rem; font-weight: 650; }
.metric.attention strong { color: var(--color-danger); }

.controls {
  margin-bottom: 22px;
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.search-field {
  display: flex;
  align-items: center;
  min-height: 50px;
  padding: 0 14px;
  border: 1px solid var(--color-border);
  border-radius: 13px;
  background: var(--color-bg);
  color: var(--color-muted-text);
}
.search-field svg { flex: 0 0 22px; width: 22px; height: 22px; }
.search-field input {
  width: 100%;
  min-width: 0;
  padding: 12px 10px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--color-text);
  font-size: 1rem;
}

.filter-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; margin-top: 10px; }
.filter-grid label > span { display: block; margin: 0 0 4px 2px; color: var(--color-muted-text); font-size: 0.73rem; font-weight: 700; }
.filter-grid select {
  width: 100%;
  min-height: 46px;
  padding: 8px 30px 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-bg);
  color: var(--color-text);
}

.list-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.list-heading h2 { margin-bottom: 0; font-size: 1.18rem; }
.result-count { color: var(--color-muted-text); font-size: 0.875rem; }

.fleet-list { display: grid; gap: 10px; }
.load-more-button {
  min-height: 50px;
  padding: 11px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-primary-strong);
  font-weight: 750;
}
.load-more-button:hover { border-color: var(--color-primary); background: var(--color-soft); }
.vehicle-card {
  width: 100%;
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: 0 5px 20px rgba(15, 23, 42, 0.055);
  text-align: left;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}
.vehicle-card:hover { border-color: color-mix(in srgb, var(--color-primary) 35%, var(--color-border)); box-shadow: var(--shadow-card); }
.vehicle-card:active { transform: scale(0.99); }
.vehicle-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.registration { margin: 0; font-size: 1.24rem; font-weight: 800; letter-spacing: 0.035em; font-variant-numeric: tabular-nums; }
.vehicle-model { margin: 2px 0 0; color: var(--color-muted-text); font-size: 0.875rem; }
.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--color-soft);
  color: var(--color-primary-strong);
  font-size: 0.72rem;
  font-weight: 750;
  text-align: center;
}
.status-badge::before { content: ""; width: 7px; height: 7px; margin-right: 6px; border-radius: 50%; background: currentColor; }
.status-badge.available { background: #ecfdf5; color: #047857; }
.status-badge.paused { background: #fffbeb; color: #a16207; }
.status-badge.attention { background: #fef2f2; color: #b91c1c; }
.card-meta { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 15px; }
.meta-item { min-width: 0; }
.meta-label { display: block; color: var(--color-muted-text); font-size: 0.72rem; font-weight: 650; }
.meta-value { display: block; overflow: hidden; margin-top: 2px; font-size: 0.9rem; font-weight: 650; text-overflow: ellipsis; white-space: nowrap; }
.warning-line { display: flex; align-items: center; gap: 7px; margin-top: 13px; color: var(--color-danger); font-size: 0.8rem; font-weight: 700; }
.warning-line svg { width: 18px; height: 18px; }

.state-panel { padding: 42px 20px; text-align: center; color: var(--color-muted-text); }
.state-panel > svg { width: 40px; height: 40px; margin-bottom: 10px; }
.state-panel h2 { margin-bottom: 4px; color: var(--color-text); font-size: 1.2rem; }
.error-panel > svg { color: var(--color-danger); }

.primary-button, .action-button {
  min-height: 48px;
  padding: 11px 16px;
  border: 0;
  border-radius: 12px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 750;
  transition: background-color 180ms ease, transform 180ms ease;
}
.primary-button:hover, .action-button:hover { background: var(--color-primary-strong); }
.primary-button:active, .action-button:active { transform: scale(0.98); }
.primary-button:disabled, .action-button:disabled, .icon-button:disabled { cursor: wait; opacity: 0.55; }
.action-button.secondary { background: var(--color-soft); color: var(--color-primary-strong); }
.action-button.danger { background: #fef2f2; color: var(--color-danger); }

.vehicle-dialog {
  width: min(calc(100% - 16px), 620px);
  max-height: min(86dvh, 760px);
  margin: auto auto 0;
  padding: 10px 18px var(--safe-bottom);
  overflow-y: auto;
  border: 1px solid var(--color-border);
  border-radius: 24px 24px 0 0;
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: 0 -18px 50px rgba(15, 23, 42, 0.2);
}
.vehicle-dialog::backdrop { background: rgba(15, 23, 42, 0.56); backdrop-filter: blur(2px); }
.dialog-handle { width: 42px; height: 4px; margin: 0 auto 14px; border-radius: 10px; background: var(--color-border); }
.dialog-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.dialog-header h2 { margin-bottom: 1px; font-size: 1.6rem; font-variant-numeric: tabular-nums; }
.dialog-model { margin-bottom: 0; color: var(--color-muted-text); }
.detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 18px 0 22px; }
.detail-item { padding: 11px; border-radius: 12px; background: var(--color-bg); }
.detail-item dt { color: var(--color-muted-text); font-size: 0.72rem; font-weight: 650; }
.detail-item dd { margin: 3px 0 0; font-size: 0.9rem; font-weight: 700; overflow-wrap: anywhere; }
.vehicle-dialog h3 { margin-bottom: 9px; font-size: 1rem; }
.action-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.dialog-note { margin: 14px 0 0; color: var(--color-muted-text); font-size: 0.78rem; }

.toast {
  position: fixed;
  right: 16px;
  bottom: calc(var(--safe-bottom) + 8px);
  left: 16px;
  z-index: 90;
  max-width: 560px;
  margin: 0 auto;
  padding: 13px 16px;
  border-radius: 12px;
  background: #0f172a;
  color: #fff;
  box-shadow: 0 12px 34px rgba(15, 23, 42, 0.32);
  font-weight: 650;
  text-align: center;
}

.skeleton, .skeleton-card {
  position: relative;
  min-height: 94px;
  overflow: hidden;
  background: color-mix(in srgb, var(--color-surface) 70%, var(--color-border));
}
.skeleton::after, .skeleton-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, transparent 30%, rgba(255,255,255,.55) 50%, transparent 70%);
  transform: translateX(-100%);
  animation: shimmer 1.3s infinite;
}
.skeleton-card { min-height: 154px; }
@keyframes shimmer { to { transform: translateX(100%); } }

@media (min-width: 700px) {
  .app-shell { padding-right: 24px; padding-left: 24px; }
  .metrics { gap: 12px; }
  .metric { padding: 17px; }
  .fleet-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .vehicle-dialog { margin-bottom: auto; border-radius: 24px; }
}

@media (max-width: 480px) {
  .filter-grid { grid-template-columns: 1fr 1fr; }
  .filter-grid label:last-child { grid-column: 1 / -1; }
  .action-grid { grid-template-columns: 1fr; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: var(--tg-theme-bg-color, #0b1220);
    --color-surface: var(--tg-theme-secondary-bg-color, #121c2d);
    --color-text: var(--tg-theme-text-color, #f8fafc);
    --color-muted-text: var(--tg-theme-hint-color, #a8b4c5);
    --color-border: #2a3850;
    --color-soft: #172b52;
    --color-primary: #60a5fa;
    --color-primary-strong: #93c5fd;
  }
  .status-badge.available { background: #083c2e; color: #6ee7b7; }
  .status-badge.paused { background: #422b08; color: #fcd34d; }
  .status-badge.attention, .action-button.danger { background: #471515; color: #fca5a5; }
  .skeleton::after, .skeleton-card::after { background: linear-gradient(100deg, transparent 30%, rgba(255,255,255,.08) 50%, transparent 70%); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}