/* CSS Variables - Pastel Palette */
:root {
  --bg-primary: #F8F9FC;
  --bg-card: #FFFFFF;
  --accent-mint: #A8E6CF;
  --accent-peach: #FFB7B2;
  --accent-lavender: #C7CEEA;
  --accent-butter: #FFEAA7;
  --accent-sky: #DFE6E9;
  --text-primary: #2D3436;
  --text-secondary: #636E72;
  --border: #E0E0E0;
  --shadow: rgba(0, 0, 0, 0.08);
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  background: linear-gradient(
    -45deg,
    #a8d8ea,  /* baby blue */
    #ffb6c1,  /* soft pink */
    #ffeaa7,  /* soft yellow */
    #dfe6e9,  /* light gray */
    #f8b4b4,  /* soft red/coral */
    #c9b99a,  /* soft brown/tan */
    #a8d8ea   /* back to baby blue */
  );
  background-size: 400% 400%;
  animation: gradientShift 120s ease infinite;
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.export-buttons {
  display: flex;
  gap: 8px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--shadow);
}

.btn-primary {
  background: var(--accent-mint);
  color: var(--text-primary);
}

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

.btn-danger {
  background: var(--accent-peach);
  color: var(--text-primary);
}

.btn-large {
  padding: 14px 28px;
  font-size: 1rem;
  width: 100%;
}

/* Stats Bar */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 2px 8px var(--shadow);
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-received { border-top: 4px solid var(--accent-mint); }
.stat-listed { border-top: 4px solid var(--accent-lavender); }
.stat-sold { border-top: 4px solid var(--accent-butter); }
.stat-shipped { border-top: 4px solid var(--accent-sky); }
.stat-value { border-top: 4px solid var(--accent-peach); }
.stat-total-sold { border-top: 4px solid #27ae60; }

/* Date Filter Bar */
.date-filter-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  background: var(--bg-card);
  padding: 12px 16px;
  border-radius: 12px;
  box-shadow: 0 2px 8px var(--shadow);
  flex-wrap: wrap;
}

.date-presets {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.date-btn {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.date-btn:hover {
  border-color: var(--accent-mint);
  background: var(--accent-mint);
}

.date-btn.active {
  background: var(--accent-mint);
  border-color: var(--accent-mint);
  color: var(--text-primary);
}

.date-custom {
  display: flex;
  align-items: center;
  gap: 8px;
}

.date-custom span {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.date-input {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.85rem;
  background: var(--bg-primary);
}

.date-input:focus {
  outline: none;
  border-color: var(--accent-mint);
}

.btn-small {
  padding: 6px 12px;
  font-size: 0.8rem;
}

/* Filter Bar */
.filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
  background: var(--bg-card);
  padding: 16px;
  border-radius: 12px;
  box-shadow: 0 2px 8px var(--shadow);
}

.filter-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn:hover {
  border-color: var(--accent-lavender);
  background: var(--accent-lavender);
}

.filter-btn.active {
  background: var(--accent-lavender);
  border-color: var(--accent-lavender);
  color: var(--text-primary);
}

.filter-controls {
  display: flex;
  gap: 12px;
}

.search-input,
.sort-select {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  background: var(--bg-primary);
}

.search-input {
  min-width: 200px;
}

.search-input:focus,
.sort-select:focus {
  outline: none;
  border-color: var(--accent-lavender);
}

/* Inventory Grid */
.inventory-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

/* Item Card */
.item-card {
  background: var(--bg-card);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px var(--shadow);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.item-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--shadow);
}

.item-image {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--bg-primary);
}

.item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.item-details {
  padding: 16px;
}

.item-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.item-platform {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: var(--bg-primary);
  padding: 2px 8px;
  border-radius: 4px;
  margin-right: 8px;
}

.item-condition {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: var(--bg-primary);
  padding: 2px 8px;
  border-radius: 4px;
}

.item-price {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  display: block;
  margin: 8px 0;
}

.item-sold-price {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: #27ae60;
  margin-bottom: 8px;
}

.item-date {
  display: block;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* Shipping Warning */
.item-card.needs-shipping {
  border: 3px solid #e74c3c;
  position: relative;
}

.shipping-warning {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  background: #e74c3c;
  color: white;
  text-align: center;
  padding: 8px;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  animation: pulse 1.5s infinite;
  z-index: 10;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* Status Badges */
.status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-received { background: var(--accent-mint); }
.status-listed { background: var(--accent-lavender); }
.status-sold { background: var(--accent-butter); }
.status-shipped { background: var(--accent-sky); }

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: 16px;
}

.empty-state h2 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.empty-state p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
  z-index: 1000;
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-card);
  border-radius: 16px;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95);
  transition: transform 0.2s;
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  font-size: 1.25rem;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 4px;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 20px;
}

.modal-image {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 20px;
  background: var(--bg-primary);
}

.modal-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.modal-actions {
  display: flex;
  justify-content: space-between;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.modal-actions-right {
  display: flex;
  gap: 12px;
}

/* Form Styles */
.form-container {
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-card);
  padding: 32px;
  border-radius: 16px;
  box-shadow: 0 2px 8px var(--shadow);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--bg-primary);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-lavender);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* Upload Zone */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  background: var(--bg-primary);
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--accent-lavender);
  background: rgba(199, 206, 234, 0.1);
}

.upload-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
}

.upload-icon {
  font-size: 2.5rem;
}

.upload-hint {
  font-size: 0.8rem;
}

.image-preview {
  display: none;
  max-width: 100%;
  max-height: 300px;
  border-radius: 8px;
  object-fit: contain;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: 14px 24px;
  border-radius: 8px;
  font-weight: 500;
  box-shadow: 0 4px 16px var(--shadow);
  opacity: 0;
  transition: transform 0.3s, opacity 0.3s;
  z-index: 2000;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast-success {
  background: var(--accent-mint);
  color: var(--text-primary);
}

.toast-error {
  background: var(--accent-peach);
  color: var(--text-primary);
}

/* Placeholder SVG */
img[src="/placeholder.svg"] {
  padding: 20%;
  opacity: 0.5;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 16px;
  }

  .header {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .stats-bar {
    grid-template-columns: repeat(3, 1fr);
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-buttons {
    justify-content: center;
  }

  .filter-controls {
    flex-direction: column;
  }

  .search-input {
    min-width: 100%;
  }

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

  .modal-actions {
    flex-direction: column-reverse;
    gap: 12px;
  }

  .modal-actions-right {
    width: 100%;
  }

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

  .btn-danger {
    width: 100%;
  }
}