:root {
  color-scheme: dark;
  --bg: #080b10;
  --surface: #10151c;
  --surface-strong: #151b23;
  --border: #29313b;
  --text: #f0f3f7;
  --muted: #8e98a5;
  --green: #22e58f;
  --red: #ff5d70;
  --yellow: #f0c75e;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 46px 46px;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

.site-header {
  align-items: center;
  border-bottom: 1px solid #20262e;
  display: flex;
  justify-content: space-between;
  min-height: 64px;
  padding: 0 clamp(16px, 4vw, 48px);
}

.brand {
  align-items: center;
  color: var(--text);
  display: inline-flex;
  font-size: 18px;
  font-weight: 750;
  gap: 10px;
  text-decoration: none;
}

.brand-mark,
.empty-mark {
  align-items: center;
  background-color: #d85f9b;
  border-radius: 6px;
  color: #fff;
  display: inline-flex;
  height: 30px;
  justify-content: center;
  width: 30px;
}

.brand-caret {
  color: var(--green);
}

.header-status {
  align-items: center;
  color: var(--muted);
  display: inline-flex;
  font-size: 12px;
  gap: 8px;
}

.qr-status {
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 750;
  padding: 5px 6px;
}

.qr-status[data-state="linked"] {
  border-color: #1a7c54;
  color: var(--green);
}

.connection-dot {
  background-color: var(--red);
  border-radius: 50%;
  display: inline-block;
  height: 8px;
  width: 8px;
}

.connection-dot[data-state="linked"] {
  background-color: var(--green);
}

.connection-dot[data-state="connecting"] {
  background-color: var(--yellow);
}

.app-shell {
  margin: 0 auto;
  max-width: 980px;
  padding: clamp(28px, 5vw, 64px) clamp(16px, 4vw, 48px) 80px;
}

.empty-state {
  margin: 12vh auto 0;
  max-width: 520px;
  text-align: center;
}

.empty-mark {
  background-color: var(--surface-strong);
  border: 1px solid var(--border);
  color: var(--green);
  margin: 0 auto 18px;
}

h1,
h2,
p {
  margin-top: 0;
}

.empty-state h1,
.panel-heading h1 {
  letter-spacing: 0;
  margin-bottom: 10px;
}

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

.primary-button,
.icon-button {
  background-color: var(--green);
  border: 1px solid var(--green);
  border-radius: 6px;
  color: #06120c;
  cursor: pointer;
  font-weight: 750;
}

.primary-button {
  margin-top: 18px;
  padding: 11px 16px;
}

.panel-heading {
  align-items: flex-start;
  display: flex;
  gap: 16px;
  justify-content: space-between;
}

.eyebrow,
.section-kicker {
  color: var(--green);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  margin-bottom: 8px;
}

.section-kicker {
  color: var(--muted);
  margin: 0;
}

.icon-button {
  align-items: center;
  display: inline-flex;
  font-size: 22px;
  height: 42px;
  justify-content: center;
  width: 42px;
}

.save-status {
  border-left: 2px solid var(--green);
  color: var(--muted);
  margin: 24px 0 18px;
  padding: 8px 12px;
}

.header-link {
  color: var(--muted);
  font-size: 12px;
  text-decoration: none;
}

.header-link:hover {
  color: var(--green);
}

.scanner-shell {
  display: grid;
  min-height: calc(100vh - 64px);
  place-items: start center;
}

.scanner-card {
  background-color: rgba(16, 21, 28, 0.96);
  border: 1px solid var(--border);
  border-radius: 8px;
  max-width: 620px;
  padding: clamp(20px, 5vw, 34px);
  text-align: center;
  width: 100%;
}

.scanner-card h1 {
  margin-bottom: 10px;
}

.scanner-view {
  background-color: #050709;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin: 24px auto 16px;
  min-height: 280px;
  overflow: hidden;
  width: min(100%, 460px);
}

.scanner-view video {
  display: block;
  height: auto !important;
  max-width: 100%;
  width: 100% !important;
}

.file-reader {
  height: 0;
  overflow: hidden;
  width: 0;
}

.scanner-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.secondary-button {
  background-color: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  font-weight: 700;
  padding: 11px 16px;
}

.secondary-button:hover {
  border-color: var(--green);
  color: var(--green);
}

.visually-hidden {
  height: 1px;
  margin: -1px;
  overflow: hidden;
  position: absolute;
  width: 1px;
  clip: rect(0 0 0 0);
}

.scanner-note {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
  margin: 18px auto 0;
  max-width: 460px;
}

[data-tone="error"] {
  color: var(--red);
}

[data-tone="success"] {
  color: var(--green);
}

.control-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.control-section {
  background-color: rgba(16, 21, 28, 0.94);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
}

.section-heading {
  align-items: center;
  border-bottom: 1px solid #252c35;
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  padding-bottom: 12px;
}

.section-heading h2 {
  font-size: 16px;
  margin: 0;
}

.toggle-row,
.field-row,
.range-row {
  align-items: center;
  border-bottom: 1px solid #20262e;
  display: flex;
  gap: 14px;
  justify-content: space-between;
  min-height: 48px;
  padding: 8px 0;
}

.toggle-row:last-child,
.field-row:last-child,
.range-row:last-child {
  border-bottom: 0;
}

.toggle-row span:first-child,
.field-row span:first-child,
.range-row > span {
  color: var(--text);
  min-width: 0;
}

.toggle-row small {
  color: var(--muted);
  display: block;
  font-size: 11px;
  margin-top: 3px;
}

.toggle-row.compact {
  min-height: 42px;
}

input[type="checkbox"] {
  accent-color: var(--green);
  flex: 0 0 auto;
  height: 18px;
  width: 18px;
}

.field-row select,
.text-input,
.color-input {
  background-color: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text);
  min-width: 130px;
  padding: 8px 10px;
}

.color-input {
  height: 38px;
  padding: 3px;
  width: 58px;
}

.range-row {
  align-items: stretch;
  flex-direction: column;
  gap: 7px;
}

.range-row > span {
  display: flex;
  justify-content: space-between;
}

output {
  color: var(--green);
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  accent-color: var(--green);
  width: 100%;
}

button:disabled,
input:disabled,
select:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

@media (max-width: 700px) {
  .site-header {
    min-height: 58px;
    padding: 0 14px;
  }

  .header-status {
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .app-shell {
    padding: 28px 14px 56px;
  }

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

  .control-section {
    padding: 15px;
  }
}