:root {
  color-scheme: dark;
  --bg: #0f172a;
  --panel: #111827;
  --line: #334155;
  --text: #f8fafc;
  --muted: #cbd5e1;
  --valid: #16a34a;
  --invalid: #dc2626;
  --warning: #f59e0b;
  --touch: 52px;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  letter-spacing: 0;
}

button,
input,
select {
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
}

button {
  background: #e2e8f0;
  color: #0f172a;
  font-weight: 800;
  padding: 0 14px;
}

button:disabled {
  opacity: 0.45;
}

input,
select {
  width: 100%;
  background: #020617;
  color: var(--text);
  padding: 0 10px;
}

.scanner-shell {
  min-height: 100vh;
}

.scanner-app,
.scanner-setup {
  width: min(100vw, 520px);
  min-height: 100vh;
  margin: 0 auto;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.scanner-topbar {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: flex-start;
  padding: 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.scanner-brand {
  font-size: 22px;
  font-weight: 900;
}

.scanner-meta {
  margin-top: 3px;
  color: var(--muted);
  font-size: 15px;
}

.scanner-connection {
  min-width: 116px;
  text-align: right;
  font-size: 12px;
  color: #bbf7d0;
}

.scanner-connection strong,
.scanner-connection span {
  display: block;
}

.scanner-connection.is-offline,
.scanner-connection.is-unsynced {
  color: #fed7aa;
}

.scanner-input {
  position: fixed;
  left: -200vw;
  top: 0;
  width: 1px;
  height: 1px;
  opacity: 0.01;
}

.scanner-stage {
  min-height: 152px;
  padding: 12px;
  display: grid;
  place-items: center;
  gap: 10px;
  background: #020617;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.scanner-primary {
  width: 100%;
  min-height: 76px;
  background: #f8fafc;
  color: #020617;
  font-size: 24px;
}

.scanner-hint {
  font-size: 18px;
  color: var(--muted);
}

.scanner-actions,
.scanner-controls,
.scanner-dialog-actions {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.scanner-actions button,
.scanner-controls button {
  min-width: 0;
  overflow-wrap: anywhere;
}

.scanner-result {
  min-height: 250px;
  padding: 14px;
  border-radius: 8px;
  background: #1e293b;
  border: 2px solid var(--line);
}

.scanner-result--valid {
  background: var(--valid);
  color: #052e16;
}

.scanner-result--invalid {
  background: var(--invalid);
  color: #fff1f2;
}

.scanner-result--warning {
  background: var(--warning);
  color: #111827;
}

.scanner-result__state {
  font-size: 30px;
  line-height: 1.08;
  font-weight: 900;
  text-transform: uppercase;
}

.scanner-result__message {
  margin-top: 6px;
  font-size: 19px;
  font-weight: 800;
}

.scanner-result__grid {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.scanner-result__grid div {
  min-width: 0;
}

.scanner-result__grid span {
  display: block;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  opacity: 0.75;
}

.scanner-result__grid strong {
  display: block;
  min-height: 24px;
  font-size: 18px;
  overflow-wrap: anywhere;
}

.scanner-result__photo {
  width: 84px;
  height: 84px;
  object-fit: cover;
  margin-top: 10px;
  border-radius: 8px;
  border: 2px solid currentColor;
}

.scanner-section-title {
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--muted);
}

.scanner-history-panel {
  padding: 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.scanner-history {
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.scanner-history li {
  display: grid;
  grid-template-columns: 72px 1fr 72px;
  gap: 6px;
  align-items: center;
  min-height: 34px;
  padding: 6px;
  border-radius: 6px;
  background: #020617;
  font-size: 13px;
}

.scanner-history li.valid {
  border-left: 6px solid var(--valid);
}

.scanner-history li.invalid {
  border-left: 6px solid var(--invalid);
}

.scanner-history li.warning {
  border-left: 6px solid var(--warning);
}

.scanner-controls {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.scanner-controls label,
.scanner-setup-form label {
  display: grid;
  gap: 5px;
  min-width: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.scanner-link-button {
  min-height: 48px;
  display: inline-grid;
  place-items: center;
  padding: 0 16px;
  border-radius: 8px;
  background: #e2e8f0;
  color: #020617;
  text-decoration: none;
  font-weight: 900;
}

.scanner-setup-form,
.scanner-test-panel {
  display: grid;
  gap: 10px;
  padding: 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.scanner-test-panel pre {
  min-height: 88px;
  margin: 0;
  padding: 10px;
  white-space: pre-wrap;
  background: #020617;
  border-radius: 8px;
}

.scanner-dialog {
  width: min(92vw, 420px);
  border: 0;
  border-radius: 8px;
  padding: 14px;
  background: #111827;
  color: var(--text);
}

.scanner-dialog::backdrop {
  background: rgb(0 0 0 / 0.72);
}

.scanner-dialog h2 {
  margin: 0 0 12px;
  font-size: 22px;
}

#camera-video {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #020617;
  border-radius: 8px;
}

@media (max-width: 520px) {
  .scanner-app,
  .scanner-setup {
    width: 100vw;
  }

  .scanner-result {
    min-height: 238px;
  }

  .scanner-result__state {
    font-size: 28px;
  }

  .scanner-actions,
  .scanner-controls {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-height: 520px) and (orientation: landscape) {
  .scanner-app {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    grid-template-areas:
      "top result"
      "stage result"
      "history controls";
    min-width: 100vw;
    min-height: 100vh;
  }

  .scanner-topbar {
    grid-area: top;
  }

  .scanner-stage {
    grid-area: stage;
    min-height: 120px;
  }

  .scanner-result {
    grid-area: result;
    min-height: calc(100vh - 20px);
  }

  .scanner-history-panel {
    grid-area: history;
  }

  .scanner-controls {
    grid-area: controls;
  }
}