/**
 * Scanner Page CSS
 * Mobile-optimized scanning interface styles
 */

/* ==================== SCANNER LAYOUT ==================== */

.scanner-page {
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - var(--header-height) - var(--nav-height));
  min-height: calc(100dvh - var(--header-height) - var(--nav-height));
}

@media (min-width: 768px) {
  .scanner-page {
    min-height: calc(100vh - var(--header-height));
  }
}

/* ==================== UPC INPUT SECTION ==================== */

.scanner-input-section {
  padding: var(--space-4);
  background-color: var(--color-card);
  border-bottom: 1px solid var(--color-border);
}

.upc-input-wrapper {
  position: relative;
}

.upc-input {
  width: 100%;
  min-height: 60px;
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xl);
  font-weight: 600;
  text-align: center;
  letter-spacing: 0.1em;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: white;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.upc-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-light);
  outline: none;
}

.upc-input::placeholder {
  color: var(--color-muted);
  font-weight: 400;
  letter-spacing: normal;
}

.upc-input.scanning {
  border-color: var(--color-info);
  background-color: var(--color-info-bg);
}

.upc-input.success {
  border-color: var(--color-success);
}

.upc-input.error {
  border-color: var(--color-danger);
}

.scanner-hint {
  margin-top: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-muted);
  text-align: center;
}

/* Scan status indicator */
.scan-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  font-size: var(--font-size-sm);
}

.scan-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-muted);
}

.scan-status-dot.ready {
  background-color: var(--color-success);
}

.scan-status-dot.scanning {
  background-color: var(--color-info);
  animation: pulse 1s ease-in-out infinite;
}

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

/* ==================== PRODUCT INFO SECTION ==================== */

.product-section {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
}

.product-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.product-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
}

.product-card-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.product-card-body {
  padding: var(--space-4);
}

.product-card-collapsed .product-card-body {
  display: none;
}

.expand-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.expand-toggle:hover {
  background-color: var(--color-border-light);
}

.product-card-collapsed .expand-toggle {
  transform: rotate(-90deg);
}

/* Product info display (read-only mode) */
.product-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.product-info-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
}

.product-info-label {
  flex-shrink: 0;
  font-size: var(--font-size-sm);
  color: var(--color-muted);
}

.product-info-value {
  text-align: right;
  font-weight: 500;
  word-break: break-word;
}

.product-info-value.empty {
  color: var(--color-muted);
  font-style: italic;
  font-weight: normal;
}

/* Product edit form */
.product-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

@media (max-width: 400px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-row.single {
  grid-template-columns: 1fr;
}

/* Product image in scanner */
.product-image-preview {
  display: flex;
  justify-content: center;
  padding: var(--space-3);
  margin-bottom: var(--space-3);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-md);
}

.product-image-preview img {
  max-width: 120px;
  max-height: 120px;
  object-fit: contain;
}

/* Source and status badges */
.product-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-top: var(--space-3);
  margin-top: var(--space-3);
  border-top: 1px solid var(--color-border-light);
}

/* Lookup button */
.lookup-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
}

/* ==================== PRICE SECTION ==================== */

.price-section {
  padding: var(--space-4);
  background-color: var(--color-card);
  border-top: 1px solid var(--color-border);
}

.price-section-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
}

.price-display-large {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-1);
  padding: var(--space-4);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
}

.price-currency-large {
  font-size: var(--font-size-xl);
  color: var(--color-muted);
}

.price-amount-large {
  font-family: var(--font-family-mono);
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.price-input-wrapper {
  position: relative;
}

.price-input {
  width: 100%;
  min-height: var(--input-height);
  padding: var(--space-3) var(--space-4);
  padding-left: 32px;
  font-family: var(--font-family-mono);
  font-size: var(--font-size-lg);
  text-align: right;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.price-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
  outline: none;
}

.price-input-prefix {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--font-size-lg);
  color: var(--color-muted);
}

.price-hint {
  margin-top: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-muted);
  text-align: center;
}

/* Number pad (optional, for touch input) */
.number-pad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.number-pad-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  font-size: var(--font-size-xl);
  font-weight: 500;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.number-pad-btn:hover {
  background-color: var(--color-border-light);
}

.number-pad-btn:active {
  background-color: var(--color-border);
}

.number-pad-btn.delete {
  color: var(--color-danger);
}

.number-pad-btn.clear {
  color: var(--color-warning);
}

/* ==================== ACTION SECTION ==================== */

.action-section {
  padding: var(--space-4);
  padding-bottom: calc(var(--space-4) + env(safe-area-inset-bottom));
  background-color: var(--color-card);
  border-top: 1px solid var(--color-border);
}

.save-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  width: 100%;
  min-height: 56px;
  padding: var(--space-4) var(--space-6);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: white;
  background-color: var(--color-primary);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.save-btn:hover {
  background-color: var(--color-primary-hover);
}

.save-btn:active {
  transform: scale(0.98);
}

.save-btn:disabled {
  background-color: var(--color-border);
  cursor: not-allowed;
}

.save-btn.saving {
  background-color: var(--color-border);
  pointer-events: none;
}

.secondary-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-3);
}

.secondary-action-btn {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.secondary-action-btn:hover {
  color: var(--color-text);
}

/* ==================== LAST SCAN INFO ==================== */

.last-scan-bar {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-xs);
  color: var(--color-muted);
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border-light);
  white-space: nowrap;
}

/* Desktop: adjust for sidebar */
@media (min-width: 768px) {
  .last-scan-bar {
    margin-left: var(--sidebar-width);
  }
}

.last-scan-info {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
}

.last-scan-upc {
  font-family: var(--font-family-mono);
}

.last-scan-price {
  font-weight: 600;
}

/* ==================== SCANNER LOG ==================== */

.scanner-log {
  max-height: 150px;
  overflow-y: auto;
  margin-top: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg-secondary);
}

.scanner-log-entry {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-xs);
  font-family: var(--font-family-mono);
  border-bottom: 1px solid var(--color-border-light);
}

.scanner-log-entry:last-child {
  border-bottom: none;
}

.scanner-log-entry.error {
  color: var(--color-danger);
  background-color: var(--color-danger-bg);
}

.scanner-log-time {
  color: var(--color-muted);
  margin-right: var(--space-2);
}

/* ==================== HIDDEN SCANNER BUFFER ==================== */

.scanner-buffer {
  position: fixed;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

/* ==================== SCANNER SUCCESS ANIMATION ==================== */

@keyframes scanSuccess {
  0% {
    box-shadow: 0 0 0 0 rgba(46, 125, 50, 0.4);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(46, 125, 50, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(46, 125, 50, 0);
  }
}

.upc-input.scan-success {
  animation: scanSuccess 0.5s ease-out;
}

/* ==================== COMPACT MODE ==================== */

.scanner-page.compact .product-card-body {
  padding: var(--space-3);
}

.scanner-page.compact .form-group {
  margin-bottom: var(--space-2);
}

.scanner-page.compact .price-section {
  padding: var(--space-3);
}

.scanner-page.compact .price-display-large {
  padding: var(--space-3);
}

.scanner-page.compact .price-amount-large {
  font-size: 32px;
}

/* ==================== DESKTOP ENHANCEMENTS ==================== */

@media (min-width: 768px) {
  .scanner-page {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--space-6);
  }

  .scanner-input-section,
  .price-section,
  .action-section {
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    margin-bottom: var(--space-4);
  }

  .product-section {
    padding: 0;
    margin-bottom: var(--space-4);
  }

  /* Side by side layout for larger screens */
  .scanner-main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }

  .scanner-main-grid .product-section {
    margin-bottom: 0;
  }

  .scanner-main-grid .price-action-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
  }
}

@media (min-width: 1024px) {
  .scanner-page {
    max-width: 800px;
  }
}