:root {
  color-scheme: dark;
  --bg: #0b1220;
  --surface: #121d30;
  --text: #f7fafc;
  --muted: #a9b5c7;
  --accent: #38d39f;
  --accent-strong: #20b884;
  --danger: #ff6b78;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  padding: max(18px, env(safe-area-inset-top)) 16px
    max(18px, env(safe-area-inset-bottom));
}

.scanner-shell {
  width: min(100%, 520px);
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

h1 {
  margin: 0;
  font-size: clamp(24px, 7vw, 34px);
}

.status {
  min-height: 42px;
  margin: 10px 0 16px;
  color: var(--muted);
  line-height: 1.4;
}

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

.status.success {
  color: var(--accent);
}

.camera-frame {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: min(48vh, 500px);
  height: min(48dvh, 500px);
  min-height: 300px;
  border: 1px solid #273550;
  border-radius: 22px;
  background: #05080e;
}

#preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.shade {
  position: absolute;
  background: rgb(4 8 15 / 24%);
  pointer-events: none;
}

.shade-top,
.shade-bottom {
  left: 0;
  width: 100%;
  height: 33%;
}

.shade-top {
  top: 0;
}

.shade-bottom {
  bottom: 0;
}

.shade-left,
.shade-right {
  top: 33%;
  width: 8%;
  height: 34%;
}

.shade-left {
  left: 0;
}

.shade-right {
  right: 0;
}

.scan-box {
  position: absolute;
  top: 33%;
  left: 8%;
  width: 84%;
  height: 34%;
}

.corner {
  position: absolute;
  width: 30px;
  height: 30px;
  border-color: var(--accent);
  border-style: solid;
}

.corner-tl {
  top: 0;
  left: 0;
  border-width: 4px 0 0 4px;
  border-radius: 8px 0 0;
}

.corner-tr {
  top: 0;
  right: 0;
  border-width: 4px 4px 0 0;
  border-radius: 0 8px 0 0;
}

.corner-bl {
  bottom: 0;
  left: 0;
  border-width: 0 0 4px 4px;
  border-radius: 0 0 0 8px;
}

.corner-br {
  right: 0;
  bottom: 0;
  border-width: 0 4px 4px 0;
  border-radius: 0 0 8px;
}

.scan-line {
  position: absolute;
  top: 50%;
  left: 3%;
  width: 94%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  box-shadow: 0 0 14px var(--accent);
  opacity: 0.22;
}

.camera-frame.is-processing .scan-line {
  animation: scan 0.7s ease-in-out infinite alternate;
  opacity: 1;
}

@keyframes scan {
  from {
    top: 14%;
  }
  to {
    top: 84%;
  }
}

.hint {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.35;
  text-align: center;
}

.confirmation {
  margin: 14px 0;
  padding: 18px;
  border: 1px solid var(--accent-strong);
  border-radius: 18px;
  background: var(--surface);
  text-align: center;
}

.confirmation-label,
.confirmation-hint {
  margin: 0;
  color: var(--muted);
}

.candidate {
  display: block;
  margin: 12px 0;
  color: var(--accent);
  font-size: clamp(22px, 7vw, 32px);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.confirmation-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.confirmation-actions .button-quiet {
  grid-column: 1 / -1;
}

.actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.button.scan-trigger {
  grid-column: 1 / -1;
  min-height: 58px;
  font-size: 18px;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

.scan-trigger.is-held {
  background: #66e3b8;
  box-shadow: 0 0 0 4px rgb(56 211 159 / 18%);
  transform: scale(0.985);
}

#start {
  grid-column: 1 / -1;
}

.button {
  min-height: 48px;
  border: 1px solid #33445f;
  border-radius: 14px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-weight: 700;
}

.button-primary {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
  color: #06130f;
}

.button-quiet {
  color: var(--muted);
}

.button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.manual-form {
  margin-top: 14px;
  padding: 14px;
  border-radius: 16px;
  background: var(--surface);
}

.manual-form label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
}

.manual-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

input {
  min-width: 0;
  border: 1px solid #3a4b68;
  border-radius: 12px;
  background: #0a1322;
  color: var(--text);
  padding: 0 12px;
  font: inherit;
  text-transform: uppercase;
}

@media (max-width: 700px) {
  body {
    padding-top: max(12px, env(safe-area-inset-top));
  }

  .eyebrow {
    font-size: 11px;
  }

  h1 {
    font-size: 28px;
    line-height: 1.1;
  }

  .status {
    min-height: 36px;
    margin: 8px 0 12px;
    font-size: 15px;
  }

  .camera-frame {
    height: min(46vh, 480px);
    height: min(46dvh, 480px);
    min-height: 280px;
  }
}

[hidden] {
  display: none !important;
}