:root {
  --font-body: "Avenir Next", "Segoe UI", sans-serif;
  --font-display: "Space Grotesk", "Avenir Next", sans-serif;
  --bg: #0b1220;
  --bg-soft: #111a2d;
  --panel: rgba(17, 26, 45, 0.82);
  --panel-strong: rgba(12, 19, 34, 0.94);
  --text: #e8eefb;
  --text-soft: #a7b6d9;
  --line: rgba(154, 174, 217, 0.16);
  --accent: #5de1c3;
  --accent-2: #7cc7ff;
  --warning: #f2c66d;
  --danger: #ff8d91;
  --success: #79f0a8;
  --shadow: 0 24px 60px rgba(3, 8, 20, 0.36);
}

:root[data-theme="light"] {
  --bg: #edf2fb;
  --bg-soft: #dfe8f7;
  --panel: rgba(255, 255, 255, 0.88);
  --panel-strong: rgba(255, 255, 255, 0.98);
  --text: #14213d;
  --text-soft: #53627f;
  --line: rgba(20, 33, 61, 0.12);
  --accent: #0f766e;
  --accent-2: #2563eb;
  --warning: #a16207;
  --danger: #c2410c;
  --success: #15803d;
  --shadow: 0 24px 60px rgba(57, 72, 103, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

html[data-theme="light"] {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(93, 225, 195, 0.18), transparent 34%),
    radial-gradient(circle at top right, rgba(124, 199, 255, 0.14), transparent 28%),
    linear-gradient(180deg, var(--bg-soft), var(--bg));
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 92%);
  pointer-events: none;
}

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

img {
  max-width: 100%;
  display: block;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
.button {
  border: 0;
  border-radius: 14px;
  padding: 0.85rem 1rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #05111d;
  font-weight: 700;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, opacity 160ms ease;
  box-shadow: 0 10px 26px rgba(93, 225, 195, 0.2);
}

button:hover,
.button:hover {
  transform: translateY(-1px);
}

.button-subtle,
.ghost-button {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
  box-shadow: none;
}

.danger-button {
  background: rgba(255, 141, 145, 0.16);
  color: var(--danger);
  box-shadow: none;
}

.app-shell,
.login-shell {
  position: relative;
  width: min(1440px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1rem 0 2rem;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.login-panel {
  width: min(880px, 100%);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.25rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 1.25rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.panel-strong {
  background: var(--panel-strong);
}

.panel-accent {
  position: relative;
  overflow: hidden;
}

.panel-accent::after {
  content: "";
  position: absolute;
  inset: auto -20% -30% 30%;
  height: 240px;
  background: radial-gradient(circle, rgba(93, 225, 195, 0.26), transparent 60%);
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-title,
h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  line-height: 1.05;
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
}

.muted {
  color: var(--text-soft);
}

.tag-row,
.stats-grid,
.inventory-grid,
.vehicle-grid,
.timeline-list,
.history-list,
.header-row,
.card-actions,
.form-grid,
.line-item,
.detail-metrics {
  display: grid;
  gap: 0.9rem;
}

.header-row {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  margin-bottom: 1rem;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.vehicle-avatar {
  width: 84px;
  height: 84px;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(124, 199, 255, 0.2), rgba(93, 225, 195, 0.1));
}

.vehicle-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.page-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.page-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.03);
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease;
}

.page-tab.active {
  color: var(--text);
  border-color: rgba(93, 225, 195, 0.55);
  background: rgba(93, 225, 195, 0.12);
}

.stats-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 1rem;
}

.stat-card strong {
  display: block;
  font-size: 1.85rem;
  font-family: var(--font-display);
}

.stat-card span {
  color: var(--text-soft);
}

.layout {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 1rem;
}

.sidebar-stack,
.main-stack {
  display: grid;
  gap: 1rem;
}

.vehicle-grid {
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}

.vehicle-card,
.lookup-card,
.inventory-card,
.timeline-card,
.due-card,
.history-card {
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.02);
}

.vehicle-card.active {
  border-color: rgba(93, 225, 195, 0.55);
  box-shadow: inset 0 0 0 1px rgba(93, 225, 195, 0.18);
}

.vehicle-thumb {
  aspect-ratio: 16 / 10;
  border-radius: 18px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(124, 199, 255, 0.16), rgba(93, 225, 195, 0.08));
  margin-bottom: 0.75rem;
}

.vehicle-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.section-title h2,
.section-title h3 {
  font-size: 1.2rem;
}

.form-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-grid.single {
  grid-template-columns: 1fr;
}

.lookup-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 0.9rem;
  align-items: end;
}

.lookup-results {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.field {
  display: grid;
  gap: 0.42rem;
}

.field label {
  font-size: 0.86rem;
  color: var(--text-soft);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0.85rem 0.95rem;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.field textarea {
  min-height: 110px;
  resize: vertical;
}

.line-item {
  grid-template-columns: 1.4fr 0.85fr 1fr auto;
  align-items: end;
  padding: 0.95rem;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.02);
}

.inventory-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.inventory-card {
  display: grid;
  gap: 0.8rem;
}

.lookup-card {
  display: grid;
  gap: 0.8rem;
  background: rgba(255, 255, 255, 0.03);
}

.inventory-card h3 {
  font-size: 1.05rem;
}

.card-actions {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pill-row,
.record-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.pill,
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 0.82rem;
}

.pill {
  color: var(--text-soft);
}

.status-pill {
  background: rgba(93, 225, 195, 0.12);
  color: var(--accent);
}

.timeline-list,
.history-list {
  margin: 0;
}

.timeline-card,
.history-card,
.due-card {
  display: grid;
  gap: 0.75rem;
}

.timeline-meta,
.history-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.detail-metrics {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 1rem;
}

.metric strong {
  display: block;
  font-size: 1.2rem;
  font-family: var(--font-display);
}

.flash-stack {
  display: grid;
  gap: 0.65rem;
  margin-bottom: 1rem;
}

.flash {
  padding: 0.9rem 1rem;
  border-radius: 18px;
  border: 1px solid var(--line);
}

.flash.success {
  background: rgba(121, 240, 168, 0.12);
  color: var(--success);
}

.flash.error {
  background: rgba(255, 141, 145, 0.12);
  color: var(--danger);
}

.receipt-thumb {
  width: 92px;
  aspect-ratio: 4 / 5;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.receipt-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tiny {
  font-size: 0.84rem;
}

@media (max-width: 1120px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .lookup-results,
  .inventory-grid,
  .detail-metrics,
  .login-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .app-shell,
  .login-shell {
    width: min(100% - 1rem, 100%);
  }

  .header-row {
    grid-template-columns: 1fr;
  }

  .lookup-form,
  .stats-grid,
  .form-grid,
  .card-actions {
    grid-template-columns: 1fr;
  }

  .line-item {
    grid-template-columns: 1fr;
  }

  .detail-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}