/* ==========================================================================
   SCAN PAGE STYLES
   Modern hero layout with scanner viewfinder
   ========================================================================== */

/* Hero Section */
.scan-hero {
  padding: var(--space-2xl) 0;
}

.scan-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

@media (max-width: 900px) {
  .scan-hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .scan-hero-content {
    order: 2;
  }
  
  .scan-hero-scanner {
    order: 1;
  }
}

/* Hero Content */
.scan-hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.scan-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
}

.scan-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text);
  margin: 0;
}

.scan-subtitle {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.6;
  max-width: 480px;
}

/* Features List */
.scan-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-sm);
}

.scan-feature {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.scan-feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--teal-transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
  flex-shrink: 0;
}

.scan-feature h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 2px;
}

.scan-feature p {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}

/* Stats Panel */
.scan-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  padding: var(--space-lg);
  margin-top: var(--space-md);
}

.scan-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.scan-stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
  font-family: var(--font-mono);
}

.scan-stat-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Scanner Container */
.scan-hero-scanner {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.scanner-container {
  border-radius: 24px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.4);
}

.scanner-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}

.scanner-status {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--muted);
  animation: pulse 2s infinite;
}

.scanner-status.active {
  background: var(--teal);
  box-shadow: 0 0 8px var(--teal);
}

.scanner-status.error {
  background: var(--ember);
  animation: none;
}

.scanner-status.success {
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Scanner Viewport */
.scanner-viewport {
  position: relative;
  aspect-ratio: 1;
  background: #000;
  overflow: hidden;
}

.scanner-reader {
  width: 100%;
  height: 100%;
}

.scanner-reader video {
  object-fit: cover !important;
}

/* Viewfinder Overlay */
.scanner-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 10;
}

.viewfinder {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 70%;
  height: 70%;
}

.viewfinder-corner {
  position: absolute;
  width: 32px;
  height: 32px;
  border-color: var(--teal);
  border-style: solid;
  border-width: 0;
}

.viewfinder-corner.top-left {
  top: 0;
  left: 0;
  border-top-width: 4px;
  border-left-width: 4px;
  border-top-left-radius: 12px;
}

.viewfinder-corner.top-right {
  top: 0;
  right: 0;
  border-top-width: 4px;
  border-right-width: 4px;
  border-top-right-radius: 12px;
}

.viewfinder-corner.bottom-left {
  bottom: 0;
  left: 0;
  border-bottom-width: 4px;
  border-left-width: 4px;
  border-bottom-left-radius: 12px;
}

.viewfinder-corner.bottom-right {
  bottom: 0;
  right: 0;
  border-bottom-width: 4px;
  border-right-width: 4px;
  border-bottom-right-radius: 12px;
}

/* Scan Line Animation */
.scan-line {
  position: absolute;
  top: 15%;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--teal), transparent);
  opacity: 0.7;
  animation: scanMove 2s ease-in-out infinite;
}

@keyframes scanMove {
  0%, 100% { top: 15%; }
  50% { top: 75%; }
}

/* Permission Overlay */
.permission-overlay,
.error-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  text-align: center;
  z-index: 20;
}

.permission-overlay.hidden,
.error-overlay.hidden {
  display: none;
}

.permission-icon,
.error-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--teal-transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  color: var(--teal);
}

.error-icon {
  background: rgba(239, 68, 68, 0.15);
  color: var(--ember);
}

.permission-overlay h3,
.error-overlay h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 8px;
}

.permission-overlay p,
.error-overlay p {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 var(--space-lg);
}

.permission-overlay .btn {
  min-width: 200px;
}

/* Scanner Controls */
.scanner-controls {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--border);
}

.scanner-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.scanner-btn:hover {
  background: var(--teal-transparent);
  border-color: var(--teal);
  color: var(--teal);
}

.scanner-btn.hidden {
  display: none;
}

/* Upload QR button - styled as label wrapping hidden input */
.scanner-btn#uploadQrBtn {
  cursor: pointer;
}

/* On desktop, highlight the upload button since camera is less useful */
@media (min-width: 1024px) {
  .scanner-btn#uploadQrBtn {
    background: var(--teal-transparent);
    border-color: var(--teal);
    color: var(--teal);
  }
  
  .scanner-btn#uploadQrBtn:hover {
    background: var(--teal);
    color: var(--bg);
  }
}

.scanner-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}

/* Recent Scans Section */
.recent-scans-section {
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--border);
}

.section-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}

.section-title svg {
  color: var(--teal);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background: var(--teal-transparent);
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.recent-scans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

/* Empty State */
.empty-state {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-3xl);
  text-align: center;
}

.empty-icon {
  color: var(--muted);
  opacity: 0.4;
  margin-bottom: var(--space-lg);
}

.empty-state h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 8px;
}

.empty-state p {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
}

/* Recent Scan Card */
.recent-scan-card {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  border-radius: 16px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.2s;
}

.recent-scan-card:hover {
  border-color: var(--teal);
  transform: translateY(-2px);
}

.recent-scan-thumb {
  width: 72px;
  height: 72px;
  border-radius: 12px;
  background: var(--surface);
  overflow: hidden;
  flex-shrink: 0;
}

.recent-scan-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.recent-scan-info {
  flex: 1;
  min-width: 0;
}

.recent-scan-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.recent-scan-meta {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}

.recent-scan-time {
  font-size: 11px;
  color: var(--teal);
  margin-top: 8px;
}

/* Modal Styles */
.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}

.modal[open] {
  opacity: 1;
  visibility: visible;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.modal-box {
  position: relative;
  width: 90%;
  max-width: 400px;
  padding: var(--space-xl);
  border-radius: 20px;
  z-index: 1;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
}

.modal-header h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.modal-close:hover {
  background: var(--surface-2);
  color: var(--text);
}

.modal-desc {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 var(--space-lg);
}

.modal-input {
  width: 100%;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-size: 16px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-lg);
}

.modal-input:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px var(--teal-transparent);
}

.modal-input::placeholder {
  color: var(--muted);
  text-transform: none;
  letter-spacing: normal;
}

.modal-actions {
  display: flex;
  gap: var(--space-sm);
}

.modal-actions .btn {
  flex: 1;
}

/* Mobile Adjustments */
@media (max-width: 600px) {
  .scan-hero {
    padding: var(--space-lg) 0;
  }
  
  .scan-stats {
    padding: var(--space-md);
  }
  
  .scan-stat-value {
    font-size: 22px;
  }
  
  .scan-features {
    display: none;
  }
  
  .scanner-viewport {
    max-height: 350px;
  }
  
  .recent-scans-section {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
  }
}