:root {
  color-scheme: light dark;
  --fg: #1a1a1a;
  --bg: #ffffff;
  --muted: #6b6b6b;
  --accent: #2563eb;
  --border: #e2e2e2;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #f2f2f2;
    --bg: #121212;
    --muted: #a0a0a0;
    --border: #333333;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.5;
}

.container {
  max-width: 480px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

h1 { font-size: 1.5rem; margin-bottom: 0.25rem; }

p.muted, .muted { color: var(--muted); }

a { color: var(--accent); }

input, button, .btn {
  font-size: 1rem;
  padding: 0.6rem 0.8rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  max-width: 100%;
}

input[type="text"], input[type="password"], input[type="file"] {
  width: 100%;
}

button, .btn {
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  display: inline-block;
  text-decoration: none;
  text-align: center;
}

form { display: flex; flex-direction: column; gap: 0.75rem; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.brand { font-weight: 600; text-decoration: none; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
}

.topbar form.inline {
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
}

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  padding: 0;
  cursor: pointer;
  font-size: 0.9rem;
}

.error {
  color: #c0392b;
  font-size: 0.9rem;
}

.field { display: flex; flex-direction: column; gap: 0.3rem; }
.field label { font-size: 0.9rem; color: var(--muted); }

.vehicle-list { list-style: none; padding: 0; margin: 0 0 1.25rem; }
.vehicle-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
}
.vehicle-list a { flex: 1; min-width: 0; text-decoration: none; color: var(--fg); }

.qr-icon-btn {
  flex-shrink: 0;
  padding: 0.4rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 600;
}

.doc-section {
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  padding: 1rem;
  margin-bottom: 1rem;
}
.doc-status {
  font-size: 0.85rem;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  display: inline-block;
  margin-bottom: 0.5rem;
}
.doc-status.ok { background: #dcfce7; color: #166534; }
.doc-status.missing { background: #fef3c7; color: #92400e; }

.danger { background: #c0392b; }

.public-url {
  display: block;
  word-break: break-all;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0.4rem;
  padding: 0.5rem;
  font-size: 0.85rem;
}

.qr {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0.75rem 0;
  border-radius: 0.5rem;
  cursor: pointer;
}

.qr-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 1000;
}
.qr-modal[hidden] { display: none; }
.qr-modal img {
  width: 100%;
  max-width: min(90vw, 420px);
  max-height: 90vh;
  background: #fff;
  padding: 1.25rem;
  border-radius: 0.75rem;
}
.qr-modal-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 2.25rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
}

.doc-public-list { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.doc-public-list li { margin-bottom: 0.85rem; }
.doc-public-list .doc-link {
  width: 100%;
  padding: 1rem;
  font-size: 1.05rem;
  font-weight: 600;
}
.doc-public-list .disabled {
  display: block;
  width: 100%;
  padding: 1rem;
  border-radius: 0.5rem;
  border: 1px dashed var(--border);
  color: var(--muted);
  text-align: center;
  box-sizing: border-box;
}

section { margin-bottom: 2rem; }