:root {
  --bg: #f4f5f7;
  --paper: #ffffff;
  --ink: #1c2330;
  --muted: #667085;
  --line: #d9dee7;
  --accent: #1f5ed8;
  --danger: #ab2d2d;
  --radius: 14px;
  --shadow: 0 14px 28px rgba(18, 27, 45, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 15% -20%, #d8e5ff 0%, transparent 38%), #f4f5f7;
  line-height: 1.45;
}

.container {
  width: min(1180px, 94vw);
  margin-inline: auto;
}

.topbar__sub {
  margin: 2px 0 0;
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.4;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(244, 245, 247, 0.9);
  backdrop-filter: blur(8px);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
}

.topbar__actions {
  display: flex;
  gap: 8px;
}

.kicker {
  margin: 0;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
}

h1,
h2 {
  margin: 0;
  line-height: 1.15;
}

h1 {
  font-size: clamp(1.25rem, 2vw, 1.6rem);
}

h2 {
  font-size: 1.05rem;
}

.layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  grid-template-areas:
    "vehicle stats"
    "history history"
    "predictions report";
  gap: 10px;
  padding: 12px 0 18px;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 12px;
  min-height: 120px;
}

.card--vehicle {
  grid-area: vehicle;
}

.card--stats {
  grid-area: stats;
}

.card--history {
  grid-area: history;
}

.card--history .section-title-row {
  margin-bottom: 10px;
}

.card--predictions {
  grid-area: predictions;
}

.card--report {
  grid-area: report;
}

.card--report .section-title-row {
  margin-bottom: 10px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(150px, 1fr));
  gap: 8px;
}

label {
  display: grid;
  gap: 5px;
  font-size: 0.88rem;
  font-weight: 600;
}

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

input,
select,
textarea {
  width: 100%;
  border: 1px solid #c9d1de;
  border-radius: 9px;
  background: #fff;
  color: var(--ink);
  padding: 8px 9px;
}

textarea {
  resize: vertical;
}

.full {
  grid-column: 1 / -1;
}

.inline-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.grow {
  flex: 1;
}

.section-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.btn {
  border: 1px solid #c7cfdd;
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 6px 9px;
  font-size: 0.9rem;
  line-height: 1.2;
  cursor: pointer;
}

.btn:hover {
  border-color: #a8b4c7;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  border-color: #184aad;
}

.btn--danger {
  background: var(--danger);
  color: #fff;
  border-color: #8e2424;
}

.btn--icon {
  width: 30px;
  min-width: 30px;
  padding: 6px 0;
  font-weight: 700;
}

.muted {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(110px, 1fr));
  gap: 8px;
}

.stat-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px;
}

.stat-card--full {
  grid-column: 1 / -1;
}

.stat-label {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
}

.stat-value {
  margin: 6px 0 0;
  font-size: 1.25rem;
  font-weight: 800;
}

.stat-breakdown {
  margin-top: 8px;
  display: grid;
  gap: 6px;
}

.stat-breakdown__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.9rem;
  padding: 4px 0;
  border-bottom: 1px dashed var(--line);
}

.stat-breakdown__row:last-child {
  border-bottom: 0;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  max-height: 300px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 780px;
}

th,
td {
  text-align: left;
  padding: 7px;
  border-bottom: 1px solid #edf1f7;
  font-size: 0.89rem;
  vertical-align: middle;
}

th:last-child,
td.action-cell {
  min-width: 170px;
  vertical-align: middle;
}

.expense-actions {
  display: flex;
  justify-content: center;
  gap: 6px;
  align-items: center;
}

th {
  position: sticky;
  top: 0;
  background: #f9fbff;
  color: #5b6678;
  z-index: 1;
}

.list {
  display: grid;
  gap: 7px;
  max-height: 280px;
  overflow: auto;
}

.prediction-item {
  border: 1px dashed #c7cfdd;
  border-radius: 10px;
  padding: 8px;
  background: #fdfefe;
}

#saleSummary {
  width: 100%;
  border: 1px solid #c9d1de;
  border-radius: 10px;
  padding: 9px;
  background: #fafcff;
}

.modal {
  width: min(900px, 92vw);
  border: 0;
  border-radius: 14px;
  padding: 12px;
  box-shadow: 0 28px 80px rgba(19, 28, 46, 0.25);
}

.modal::backdrop {
  background: rgba(14, 21, 36, 0.45);
}

.vehicle-actions {
  margin-top: 8px;
  flex-wrap: wrap;
}

.service-hint {
  margin: 10px 0 8px;
}

.service-hint:empty {
  display: none;
}

.service-hint__card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  background: linear-gradient(135deg, rgba(31, 94, 216, 0.08), rgba(31, 94, 216, 0.02));
}

.service-hint__card--soon {
  border-color: rgba(31, 94, 216, 0.25);
}

.service-hint__card--due {
  border-color: rgba(171, 45, 45, 0.35);
  background: linear-gradient(135deg, rgba(171, 45, 45, 0.08), rgba(171, 45, 45, 0.02));
}

.service-hint__card--neutral {
  background: var(--bg);
}

.service-hint__eyebrow {
  margin: 0;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.service-hint__title {
  margin: 4px 0 0;
  font-size: 1rem;
  font-weight: 700;
}

.service-hint__text {
  margin: 5px 0 0;
  font-size: 0.9rem;
}

.service-hint__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.service-hint__chip {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  font-size: 0.82rem;
}

.service-plan {
  display: grid;
  gap: 8px;
  max-height: min(72vh, 760px);
  overflow: auto;
  padding-right: 4px;
}

.service-plan h3 {
  margin: 8px 0 0;
  font-size: 0.98rem;
}

.service-plan ul {
  margin: 2px 0 0;
  padding-left: 18px;
}

.service-plan li {
  margin: 2px 0;
  font-size: 0.9rem;
}

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

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "vehicle"
      "stats"
      "history"
      "predictions"
      "report";
  }

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

@media (max-width: 700px) {
  .topbar__inner,
  .topbar__actions,
  .section-title-row,
  .inline-row {
    flex-direction: column;
    align-items: stretch;
  }

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

  .stats {
    grid-template-columns: 1fr 1fr;
  }
}

/* ── Vehicle Panel ────────────────────────────────── */
.vehicle-panel {
  margin: 10px 0 4px;
}

.vehicle-hero {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 10px;
}

.vehicle-hero__text {
  min-width: 0;
}

.vehicle-title {
  margin: 0;
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.vehicle-subtitle {
  margin: 2px 0 0;
  font-size: 0.82rem;
}

.vehicle-meta {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 6px;
  margin-bottom: 8px;
}

.vehicle-meta__item {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 8px;
}

.vehicle-meta__label {
  display: block;
  font-size: 0.67rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 2px;
}

.vehicle-meta__value {
  display: block;
  font-size: 0.87rem;
  font-weight: 600;
  color: var(--ink);
  word-break: break-all;
}

.vehicle-notes {
  margin: 4px 0 2px;
  font-size: 0.85rem;
  font-style: italic;
}

/* ── Theme Switch ────────────────────────────────── */
.theme-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  border: none;
  background: none;
  cursor: pointer;
  padding: 4px 2px;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1;
}

.theme-switch__track {
  position: relative;
  width: 40px;
  height: 22px;
  background: var(--line);
  border-radius: 999px;
  transition: background 0.25s;
  flex-shrink: 0;
}

.theme-switch__thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  background: var(--paper);
  border-radius: 50%;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
  transition: transform 0.25s;
}

.theme-switch__sun,
.theme-switch__moon {
  font-size: 0.95rem;
  user-select: none;
}

/* ── Dark Theme ──────────────────────────────────── */
[data-theme="dark"] {
  --bg: #0f1117;
  --paper: #1a1d27;
  --ink: #e8eaf0;
  --muted: #8b93a8;
  --line: #2e3347;
  --accent: #3b82f6;
  --danger: #d04545;
  --shadow: 0 14px 28px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] body {
  background: radial-gradient(circle at 15% -20%, #102a55 0%, transparent 38%), #0f1117;
}

[data-theme="dark"] .topbar {
  background: rgba(26, 29, 39, 0.92);
}

[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
  background: #222534;
  border-color: var(--line);
  color: var(--ink);
}

[data-theme="dark"] .btn {
  background: #222534;
  border-color: var(--line);
  color: var(--ink);
}

[data-theme="dark"] .btn--primary {
  background: var(--accent);
  color: #fff;
  border-color: #2b67c7;
}

[data-theme="dark"] .btn--danger {
  background: var(--danger);
  color: #fff;
  border-color: #a83636;
}

[data-theme="dark"] th {
  background: #1e2132;
  color: var(--muted);
}

[data-theme="dark"] td,
[data-theme="dark"] th {
  border-bottom-color: var(--line);
}

[data-theme="dark"] .prediction-item {
  background: #1e2132;
  border-color: var(--line);
}

[data-theme="dark"] #saleSummary {
  background: #222534;
  border-color: var(--line);
  color: var(--ink);
}

[data-theme="dark"] .modal {
  background: var(--paper);
  color: var(--ink);
}

[data-theme="dark"] .theme-switch__track {
  background: var(--accent);
}

[data-theme="dark"] .theme-switch__thumb {
  transform: translateX(18px);
}