/* ═══════════════════════════════════════
   SUDDENLY SELLING — Design System
   Matches landing page tokens exactly
   ═══════════════════════════════════════ */

:root {
  --terracotta: #C75B39;
  --terracotta-light: #E8845F;
  --terracotta-bg: rgba(199, 91, 57, 0.08);
  --cream: #FBF7F2;
  --warm-white: #FFFDF9;
  --charcoal: #1A1A1A;
  --slate: #4A4A4A;
  --soft-gray: #9B9B9B;
  --sand: #E8DDD3;
  --moss: #5A7A62;
  --moss-light: #6d9477;
  --danger: #d44;
  --border: rgba(0,0,0,0.06);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.08);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-full: 100px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--warm-white);
  color: var(--charcoal);
  overflow-x: hidden;
  min-height: 100vh;
}

/* ─── TYPOGRAPHY ─── */
h1, h2, h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}
h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2rem); }
h3 { font-size: 1.1rem; }
p { line-height: 1.65; }
a { color: var(--terracotta); text-decoration: none; }
a:hover { color: var(--terracotta-light); }

/* ─── NAV ─── */
.app-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 253, 249, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.app-nav .logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.03em;
  color: var(--charcoal);
  text-decoration: none;
}
.app-nav .logo span { color: var(--terracotta); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--slate);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  transition: all 0.2s ease;
  text-decoration: none;
}
.nav-link:hover {
  color: var(--charcoal);
  background: var(--cream);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--terracotta);
  color: white;
}
.btn-primary:hover {
  background: var(--terracotta-light);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--cream);
  color: var(--charcoal);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--sand);
  color: var(--charcoal);
}

.btn-outline {
  background: transparent;
  color: var(--terracotta);
  border: 1.5px solid var(--terracotta);
}
.btn-outline:hover {
  background: var(--terracotta);
  color: white;
}

.btn-moss {
  background: var(--moss);
  color: white;
}
.btn-moss:hover {
  background: var(--moss-light);
  color: white;
  transform: translateY(-1px);
}

.btn-lg {
  padding: 0.8rem 1.8rem;
  font-size: 1rem;
}

.btn-sm {
  padding: 0.4rem 0.9rem;
  font-size: 0.8rem;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ─── LAYOUT ─── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.page-section {
  padding: 2.5rem 0;
}

/* ─── PAGE HEADER ─── */
.page-header {
  padding: 2rem 0 1.5rem;
}
.page-header h1 { margin-bottom: 0.5rem; }
.page-header p { color: var(--slate); font-size: 1.05rem; }

/* ─── SEARCH BAR ─── */
.search-bar {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.search-input {
  flex: 1;
  padding: 0.75rem 1.25rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  border: 1.5px solid var(--sand);
  border-radius: var(--radius-full);
  background: white;
  color: var(--charcoal);
  outline: none;
  transition: border-color 0.2s;
}
.search-input:focus {
  border-color: var(--terracotta);
}
.search-input::placeholder {
  color: var(--soft-gray);
}

/* ─── CATEGORY PILLS ─── */
.category-pills {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.category-pills::-webkit-scrollbar { display: none; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--sand);
  background: white;
  color: var(--slate);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}
.pill:hover {
  border-color: var(--terracotta);
  color: var(--terracotta);
}
.pill.active {
  background: var(--terracotta);
  border-color: var(--terracotta);
  color: white;
}

/* ─── SORT BAR ─── */
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.result-count {
  font-size: 0.9rem;
  color: var(--soft-gray);
}

.sort-select {
  padding: 0.45rem 0.9rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  border: 1.5px solid var(--sand);
  border-radius: var(--radius-full);
  background: white;
  color: var(--slate);
  cursor: pointer;
  outline: none;
}

/* ─── ITEM GRID ─── */
.items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.item-card {
  background: white;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all 0.25s ease;
  text-decoration: none;
  color: inherit;
  display: block;
}
.item-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  color: inherit;
}

.item-card-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  background: var(--cream);
  display: block;
}

.item-card-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--cream) 0%, var(--sand) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  opacity: 0.5;
}

.item-card-body {
  padding: 1rem 1.15rem;
}

.item-card-category {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 0.4rem;
}

.item-card-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.item-card-price {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--charcoal);
}
.item-card-price.free {
  color: var(--moss);
}

.item-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.5rem;
  font-size: 0.78rem;
  color: var(--soft-gray);
}

.sold-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--charcoal);
  color: white;
  border-radius: var(--radius-full);
}

/* ─── EMPTY STATE ─── */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
}
.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.4;
}
.empty-state h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}
.empty-state p {
  color: var(--soft-gray);
  margin-bottom: 1.5rem;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* ─── PAGINATION ─── */
.pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 2rem 0 3rem;
}

.page-btn {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--sand);
  background: white;
  color: var(--slate);
  cursor: pointer;
  transition: all 0.2s;
}
.page-btn:hover { border-color: var(--terracotta); color: var(--terracotta); }
.page-btn.active { background: var(--terracotta); border-color: var(--terracotta); color: white; }
.page-btn:disabled { opacity: 0.3; cursor: not-allowed; }

/* ─── FORM STYLES ─── */
.form-card {
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  color: var(--charcoal);
}
.form-label .optional {
  font-weight: 400;
  color: var(--soft-gray);
  font-size: 0.8rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  border: 1.5px solid var(--sand);
  border-radius: var(--radius-sm);
  background: white;
  color: var(--charcoal);
  outline: none;
  transition: border-color 0.2s;
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--terracotta);
}
.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--soft-gray);
  margin-top: 0.3rem;
}

.form-error {
  font-size: 0.8rem;
  color: var(--danger);
  margin-top: 0.3rem;
}

.price-input-wrap {
  position: relative;
}
.price-input-wrap .currency {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-weight: 600;
  color: var(--slate);
  pointer-events: none;
}
.price-input-wrap .form-input {
  padding-left: 1.8rem;
}

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

/* ─── IMAGE UPLOAD ─── */
.image-upload-zone {
  border: 2px dashed var(--sand);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--cream);
}
.image-upload-zone:hover,
.image-upload-zone.dragover {
  border-color: var(--terracotta);
  background: var(--terracotta-bg);
}
.image-upload-zone .upload-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.image-upload-zone p { color: var(--slate); font-size: 0.9rem; }
.image-upload-zone .upload-hint { font-size: 0.8rem; color: var(--soft-gray); margin-top: 0.25rem; }

.image-previews {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.image-preview {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
}
.image-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.image-preview .remove-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(0,0,0,0.6);
  color: white;
  border: none;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.image-preview .remove-btn:hover {
  background: var(--danger);
}

/* ─── ITEM DETAIL ─── */
.item-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  padding: 2rem 0 3rem;
}

.item-gallery {
  position: relative;
}

.item-main-image {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius-lg);
  background: var(--cream);
  display: block;
}

.item-main-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--cream), var(--sand));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  opacity: 0.4;
}

.item-thumbnails {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
}
.item-thumbnail {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.2s;
  opacity: 0.7;
}
.item-thumbnail:hover,
.item-thumbnail.active {
  border-color: var(--terracotta);
  opacity: 1;
}

.item-info { padding-top: 0.5rem; }

.item-category-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.35rem 0.8rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--terracotta);
  background: var(--terracotta-bg);
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.item-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.5rem;
}

.item-price {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.8rem;
  color: var(--charcoal);
  margin-bottom: 1rem;
}
.item-price.free {
  color: var(--moss);
}

.item-meta-row {
  display: flex;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--soft-gray);
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.item-description {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--slate);
  margin-bottom: 2rem;
  white-space: pre-wrap;
}

/* Seller Card */
.seller-card {
  background: var(--cream);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.seller-card h3 {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--soft-gray);
  margin-bottom: 0.75rem;
}
.seller-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}
.seller-contact {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all 0.2s;
}
.contact-btn-email {
  background: var(--terracotta);
  color: white;
}
.contact-btn-email:hover {
  background: var(--terracotta-light);
  color: white;
}
.contact-btn-phone {
  background: var(--moss);
  color: white;
}
.contact-btn-phone:hover {
  background: var(--moss-light);
  color: white;
}

.item-detail-sold {
  background: var(--charcoal);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  text-align: center;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

/* ─── TOAST ─── */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  z-index: 999;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}
.toast-success { background: var(--moss); color: white; }
.toast-error { background: var(--danger); color: white; }

/* ─── LOADING SPINNER ─── */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2.5px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
.spinner-dark {
  border-color: var(--sand);
  border-top-color: var(--terracotta);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}
.skeleton-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
}
.skeleton-img {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(90deg, var(--cream) 25%, var(--sand) 50%, var(--cream) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}
.skeleton-body {
  padding: 1rem;
}
.skeleton-line {
  height: 14px;
  border-radius: 7px;
  background: linear-gradient(90deg, var(--cream) 25%, var(--sand) 50%, var(--cream) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  margin-bottom: 0.5rem;
}
.skeleton-line.short { width: 60%; }
.skeleton-line.price { width: 40%; height: 20px; margin-top: 0.5rem; }

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ─── FOOTER ─── */
.app-footer {
  padding: 2rem;
  text-align: center;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}
.app-footer p {
  font-size: 0.8rem;
  color: var(--soft-gray);
}

/* ─── SUCCESS ANIMATION ─── */
.success-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,253,249,0.95);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 200;
  text-align: center;
  padding: 2rem;
}
.success-check {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--moss);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  margin-bottom: 1.5rem;
  animation: popIn 0.4s ease;
}
.success-overlay h2 { margin-bottom: 0.5rem; }
.success-overlay p { color: var(--slate); margin-bottom: 1.5rem; max-width: 400px; }

@keyframes popIn {
  0% { transform: scale(0); }
  70% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .app-nav { padding: 0.85rem 1.25rem; }
  .app-nav .logo { font-size: 1.15rem; }
  .container { padding: 0 1.25rem; }
  .items-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
  .item-card-body { padding: 0.75rem; }
  .item-card-title { font-size: 0.9rem; }
  .item-card-price { font-size: 1rem; }
  .item-card-meta { font-size: 0.72rem; }
  .item-detail { grid-template-columns: 1fr; gap: 1.5rem; }
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 1.5rem; }
  .search-bar { flex-direction: column; }
  .page-header { padding: 1.5rem 0 1rem; }
  .nav-link { padding: 0.4rem 0.6rem; font-size: 0.8rem; }
  .loading-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
}

@media (max-width: 480px) {
  .items-grid { grid-template-columns: repeat(2, 1fr); gap: 0.6rem; }
  .item-card-body { padding: 0.6rem; }
  .item-card-title { font-size: 0.85rem; }
  .nav-links .nav-link:first-child { display: none; }
}