/* QR Duplex Link specific styles */

.tool-heading {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 28px;
}

.tool-heading .page-description {
  margin-bottom: 0;
}

.protocol-badge {
  min-width: 132px;
  padding: 10px 12px;
  border: 1px solid #1f2937;
  border-radius: var(--radius-sm);
  background: #111827;
  color: #f9fafb;
  text-align: right;
  box-shadow: var(--shadow-card);
}

.protocol-badge span {
  display: block;
  color: #9ca3af;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
}

.protocol-badge strong {
  display: block;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 1rem;
  letter-spacing: 0.04em;
}

.duplex-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.88fr) minmax(360px, 1.12fr) minmax(320px, 1fr);
  gap: 20px;
  align-items: start;
}

.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-card);
}

.panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.panel__header h2 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0;
}

.panel__hint {
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  white-space: nowrap;
}

.panel-transmit {
  grid-column: span 2;
  grid-row: span 2;
}

.panel-inbox,
.panel-log {
  grid-column: span 2;
}

.form-grid,
.send-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.field-wide {
  grid-column: 1 / -1;
}

.field > span,
.check-field span {
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.text-field,
.select-field,
.textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.text-field,
.select-field {
  min-height: 42px;
  padding: 9px 11px;
}

.textarea {
  min-height: 150px;
  padding: 12px;
  resize: vertical;
  font-family: var(--font-mono);
  line-height: 1.55;
}

.textarea.compact {
  min-height: 86px;
  margin: 10px 0;
  font-size: 0.8125rem;
}

.text-field:focus,
.select-field:focus,
.textarea:focus {
  outline: none;
  border-color: #0891b2;
  box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.12);
}

.file-pick {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  margin: 12px 0 14px;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #f9fafb;
}

.file-pick__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid #0e7490;
  border-radius: var(--radius-sm);
  background: #ecfeff;
  color: #0e7490;
  font-size: 0.8125rem;
  font-weight: 800;
  cursor: pointer;
}

.file-pick__button input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.file-pick__summary {
  overflow: hidden;
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.switch-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
}

.check-field {
  display: flex;
  align-items: center;
  gap: 9px;
}

.check-field input {
  width: 16px;
  height: 16px;
  accent-color: #0891b2;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.transfer-progress {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.progress-card {
  padding: 11px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #f9fafb;
}

.progress-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 8px;
}

.progress-head span {
  color: var(--color-text-secondary);
  font-size: 0.6875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.progress-head strong {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.progress-track {
  height: 10px;
  border-radius: 999px;
  background: #e5e7eb;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: inherit;
  background: #0e7490;
  transition: width 0.2s ease;
}

.progress-fill.receive {
  background: #16a34a;
}

.progress-detail {
  overflow: hidden;
  margin-top: 7px;
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn-primary,
.btn-secondary {
  min-height: 42px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), background-color var(--transition);
}

.btn-primary {
  border: 1px solid #0e7490;
  background: #0e7490;
  color: #fff;
}

.btn-primary:hover {
  background: #155e75;
}

.btn-secondary {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

.btn-secondary:hover {
  border-color: #0891b2;
  background: #ecfeff;
}

.btn-primary:active,
.btn-secondary:active {
  transform: translateY(1px);
}

.link-button {
  border: none;
  background: transparent;
  color: #0e7490;
  font-size: 0.8125rem;
  font-weight: 700;
  cursor: pointer;
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 16px;
}

.stats-strip div {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 9px;
  background: #f9fafb;
}

.stats-strip span {
  display: block;
  color: var(--color-text-secondary);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stats-strip strong {
  display: block;
  overflow: hidden;
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pill {
  padding: 4px 8px;
  border-radius: 999px;
  background: #ecfeff;
  color: #0e7490;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
}

.qr-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 1 / 1;
  border: 1px solid #111827;
  border-radius: var(--radius);
  background: repeating-linear-gradient(135deg, #f9fafb 0, #f9fafb 12px, #f3f4f6 12px, #f3f4f6 24px);
  overflow: hidden;
}

.qr-stage canvas {
  width: min(94%, 720px);
  height: auto;
  image-rendering: pixelated;
  box-shadow: 0 10px 30px rgba(17, 24, 39, 0.18);
}

.qr-error {
  position: absolute;
  inset: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: rgba(127, 29, 29, 0.92);
  color: #fff;
  text-align: center;
  font-weight: 700;
}

.qr-error[hidden] {
  display: none;
}

.frame-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.camera-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 1px solid #111827;
  border-radius: var(--radius);
  background: #030712;
  overflow: hidden;
}

.camera-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.camera-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(3, 7, 18, 0.78);
  color: #f9fafb;
  font-weight: 700;
  text-align: center;
}

.scan-led {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #9ca3af;
  box-shadow: 0 0 0 4px rgba(156, 163, 175, 0.14);
}

.scan-led.active {
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.17);
}

.scan-led.hit {
  background: #f59e0b;
  box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.2);
}

.manual-ingest {
  margin-top: 14px;
  color: var(--color-text-secondary);
}

.manual-ingest summary {
  cursor: pointer;
  font-size: 0.8125rem;
  font-weight: 700;
}

.queue-list,
.inbox-list,
.event-log {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 310px;
  overflow-y: auto;
}

.queue-list {
  margin-top: 14px;
}

.queue-item,
.inbox-item,
.log-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 11px;
  background: #f9fafb;
}

.queue-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
}

.queue-state {
  min-width: 72px;
  padding: 4px 7px;
  border-radius: 999px;
  background: #e0f2fe;
  color: #075985;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 800;
  text-align: center;
}

.queue-state.waiting {
  background: #fef3c7;
  color: #92400e;
}

.queue-title,
.inbox-title {
  font-weight: 700;
  font-size: 0.875rem;
}

.queue-detail,
.inbox-meta,
.log-time {
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.inbox-item pre {
  margin-top: 8px;
  padding: 10px;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}

.inbox-file {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  margin-top: 10px;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.inbox-file__name {
  overflow: hidden;
  font-weight: 800;
  font-size: 0.875rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.inbox-file__meta {
  margin-top: 2px;
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.download-file {
  flex: 0 0 auto;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: #0e7490;
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 800;
  text-decoration: none;
}

.log-item {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 10px;
  align-items: start;
  font-size: 0.8125rem;
}

.log-item.error {
  border-color: #fecaca;
  background: #fff1f2;
}

.log-item.success {
  border-color: #bbf7d0;
  background: #f0fdf4;
}

.empty-state {
  padding: 18px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  text-align: center;
}

@media (max-width: 1120px) {
  .duplex-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .panel-transmit {
    grid-column: 1 / -1;
    grid-row: span 1;
  }

  .panel-inbox,
  .panel-log {
    grid-column: span 1;
  }
}

@media (max-width: 760px) {
  .tool-heading {
    flex-direction: column;
  }

  .protocol-badge {
    width: 100%;
    text-align: left;
  }

  .duplex-grid,
  .form-grid,
  .send-controls,
  .transfer-progress,
  .stats-strip {
    grid-template-columns: 1fr;
  }

  .panel {
    padding: 15px;
  }

  .button-row button {
    width: 100%;
  }

  .queue-item,
  .log-item {
    grid-template-columns: 1fr;
  }

  .file-pick {
    grid-template-columns: 1fr;
  }

  .inbox-file {
    align-items: stretch;
    flex-direction: column;
  }
}