:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --panel: #ffffff;
  --text: #1f2937;
  --muted: #687385;
  --line: #dbe1ea;
  --primary: #146a5d;
  --primary-dark: #0f5148;
  --warn: #b45309;
  --danger: #b91c1c;
  --ok: #047857;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

button,
input,
select {
  font: inherit;
}

button {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  padding: 9px 12px;
  cursor: pointer;
}

button.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

button.primary:hover {
  background: var(--primary-dark);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.shell {
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 4;
}

.topbar h1 {
  margin: 0;
  font-size: 22px;
}

.statusline {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 14px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 3px 10px;
  border-radius: 999px;
  background: #edf2f7;
  color: #334155;
}

.pill.ok {
  background: #dff5ed;
  color: var(--ok);
}

.pill.warn {
  background: #fff4dd;
  color: var(--warn);
}

.content {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 18px;
  padding: 18px 24px 32px;
}

.sidebar,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.sidebar {
  padding: 12px;
  align-self: start;
  position: sticky;
  top: 84px;
}

.vehicle-button {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  text-align: left;
}

.vehicle-button.active {
  border-color: var(--primary);
  box-shadow: inset 0 0 0 1px var(--primary);
}

.main-stack {
  display: grid;
  gap: 18px;
}

.panel {
  padding: 18px;
}

.panel h2 {
  margin: 0 0 14px;
  font-size: 18px;
}

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

.toolbar.split {
  justify-content: space-between;
  align-items: flex-start;
}

.settings {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.phase-tabs {
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
  border-radius: 7px;
  overflow: hidden;
}

.phase-tabs button {
  border: 0;
  border-radius: 0;
  min-width: 120px;
}

.phase-tabs button.active {
  background: var(--primary);
  color: #fff;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(130px, 1fr));
  gap: 12px;
}

.sidebar-title {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  margin: 8px 4px;
}

.side-separator {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 12px 0;
}

.flow {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 0 0 14px;
  list-style: none;
}

.flow li {
  background: #edf2f7;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #334155;
  font-size: 13px;
  padding: 6px 10px;
}

.photo-slot {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.photo-slot img {
  width: 100%;
  aspect-ratio: 4 / 3;
  display: block;
  object-fit: cover;
  background: #f3f4f6;
}

.slot-body {
  padding: 10px;
  display: grid;
  gap: 8px;
}

.slot-title {
  font-weight: 700;
  font-size: 14px;
}

.meta {
  color: var(--muted);
  display: block;
  font-size: 12px;
  line-height: 1.45;
}

.warn-text {
  color: var(--warn);
}

.footer-actions {
  margin-top: 14px;
}

.compare-grid {
  display: grid;
  gap: 14px;
}

.compare-row {
  display: grid;
  grid-template-columns: 110px 1fr 1fr;
  gap: 12px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.compare-title {
  font-weight: 700;
  padding-top: 24px;
}

.compare-photo strong {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 13px;
}

.compare-photo img {
  width: 100%;
  max-height: 240px;
  object-fit: cover;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: #f3f4f6;
}

.notice {
  color: var(--muted);
  line-height: 1.7;
}

.error,
.error-panel {
  color: var(--danger);
}

.error-panel {
  background: #fff1f2;
  border-color: #fecdd3;
}

.ok-panel {
  background: #ecfdf5;
  border-color: #bbf7d0;
  color: var(--ok);
}

.proof-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(130px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.proof-summary div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
}

.proof-summary strong,
.proof-summary span {
  display: block;
}

.proof-summary strong {
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 4px;
}

.proof h3 {
  font-size: 16px;
  margin: 18px 0 10px;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  gap: 12px;
}

.proof-grid figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.proof-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  display: block;
  object-fit: cover;
}

.proof-grid figcaption {
  display: grid;
  gap: 4px;
  padding: 9px;
  color: var(--muted);
  font-size: 12px;
}

.proof-grid figcaption strong {
  color: var(--text);
  font-size: 13px;
}

.camera-modal {
  position: fixed;
  inset: 0;
  z-index: 10;
  background: rgba(15, 23, 42, 0.72);
  padding: 18px;
}

.camera-modal[hidden] {
  display: none;
}

.camera-box {
  background: #fff;
  border-radius: 8px;
  margin: 0 auto;
  max-width: 820px;
  padding: 16px;
}

.camera-box video {
  width: 100%;
  max-height: 65vh;
  object-fit: contain;
  background: #111827;
  border-radius: 8px;
  display: block;
}

@media (max-width: 980px) {
  .content {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .photo-grid {
    grid-template-columns: repeat(2, minmax(130px, 1fr));
  }

  .proof-summary,
  .proof-grid {
    grid-template-columns: repeat(2, minmax(130px, 1fr));
  }
}

@media (max-width: 640px) {
  .topbar,
  .content {
    padding-left: 14px;
    padding-right: 14px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .photo-grid,
  .compare-row,
  .proof-summary,
  .proof-grid {
    grid-template-columns: 1fr;
  }

  .compare-title {
    padding-top: 0;
  }
}