/* ===== APP SHARED STYLES ===== */

/* Nav */
.app-nav {
  background: var(--cream);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 3rem);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--green);
  text-decoration: none;
  flex-shrink: 0;
}

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

.nav-link {
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--charcoal-soft);
  text-decoration: none;
  transition: all 0.15s;
}

.nav-link:hover, .nav-link.active {
  color: var(--green);
  background: rgba(45, 90, 39, 0.07);
}

/* App Main */
.app-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-xl) clamp(1.5rem, 5vw, 3rem);
  min-height: 70vh;
}

.app-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.app-header h1 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--charcoal);
}

.app-subtitle {
  color: var(--charcoal-soft);
  font-size: 1rem;
  margin-top: 0.25rem;
}

.header-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-shrink: 0;
}

/* Buttons */
.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

.btn-danger {
  background: #c0392b;
  color: white;
  border: none;
}

.btn-danger:hover {
  background: #a93226;
}

.btn-block {
  display: block;
  width: 100%;
  text-align: center;
}

/* Search Bar */
.search-bar {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.search-form {
  display: flex;
  gap: 0.5rem;
  flex: 1;
  min-width: 0;
  flex-wrap: wrap;
}

.search-input {
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: white;
  color: var(--charcoal);
  transition: border-color 0.2s;
  flex: 1;
  min-width: 160px;
}

.search-input:focus {
  outline: none;
  border-color: var(--green);
}

.search-location {
  max-width: 200px;
}

/* Puzzle Grid */
.puzzle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-lg);
}

/* Puzzle Card */
.puzzle-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(45, 90, 39, 0.06);
  border: 1px solid var(--border);
  transition: box-shadow 0.2s, transform 0.2s;
}

.puzzle-card:hover {
  box-shadow: 0 6px 24px rgba(45, 90, 39, 0.12);
  transform: translateY(-2px);
}

.puzzle-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.puzzle-card-placeholder {
  width: 100%;
  height: 180px;
  background: var(--cream-alt);
  display: flex;
  align-items: center;
  justify-content: center;
}

.puzzle-card-body {
  padding: var(--space-md);
}

.puzzle-card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 4px;
}

.puzzle-card-brand {
  display: block;
  font-size: 0.8rem;
  color: var(--charcoal-soft);
  margin-bottom: 8px;
}

.puzzle-card-meta {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.meta-tag {
  display: inline-block;
  padding: 3px 8px;
  background: var(--cream-alt);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--charcoal-soft);
}

.meta-tag.condition-complete { background: #e8f5e9; color: #2D5A27; }
.meta-tag.condition-minor_wear { background: #fff8e1; color: #8B6914; }
.meta-tag.condition-missing_pieces { background: #fce4ec; color: #B71C1C; }

/* Condition tier badges */
.meta-tag.condition-new { background: #e8f5e9; color: #2D5A27; }
.meta-tag.condition-like_new { background: #e3f2fd; color: #1565C0; }
.meta-tag.condition-good { background: #f1f8e9; color: #558B2F; }
.meta-tag.condition-fair { background: #fff8e1; color: #8B6914; }
.meta-tag.condition-poor { background: #fce4ec; color: #B71C1C; }

.meta-tag.meta-warn {
  background: #fff3e0;
  color: #bf360c;
}

.puzzle-card-owner {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
  font-size: 0.8rem;
  color: var(--charcoal-soft);
}

.puzzle-card-status {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 20px;
  margin-bottom: 6px;
}

.puzzle-card-status.available { background: #e8f5e9; color: #2D5A27; }
.puzzle-card-status.unavailable { background: #f5f5f5; color: #999; }

.puzzle-card-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Wishlist cards */
.wishlist-card {
  background: #f9f7f2;
}

.wishlist-badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--terracotta);
  margin-bottom: 6px;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  color: var(--charcoal-soft);
}

.empty-icon { margin-bottom: var(--space-md); }

.empty-state h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 8px;
  color: var(--charcoal);
}

.empty-state p { font-size: 1rem; margin-bottom: var(--space-md); }

.empty-state .btn { display: inline-block; }

/* Pagination */
.pagination { text-align: center; margin-top: var(--space-xl); }

/* Collection sections */
.collection-section { margin-bottom: var(--space-2xl); }
.collection-section h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  color: var(--charcoal);
}

/* Trades */
.trades-list { display: flex; flex-direction: column; gap: 0.75rem; }

.trade-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: white;
  border-radius: 12px;
  border: 1px solid var(--border);
  gap: 1rem;
  flex-wrap: wrap;
}

.trade-status-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: capitalize;
}

.trade-item.status-pending .trade-status-badge { background: #fff8e1; color: #8B6914; }
.trade-item.status-accepted .trade-status-badge { background: #e8f5e9; color: #2D5A27; }
.trade-item.status-completed .trade-status-badge { background: #e3f2fd; color: #1565C0; }
.trade-item.status-declined .trade-status-badge,
.trade-item.status-cancelled .trade-status-badge { background: #fce4ec; color: #B71C1C; }

.trade-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
}

.trade-arrow { color: var(--green); font-size: 1.1rem; }
.trade-other { color: var(--charcoal-soft); }
.trade-actions { display: flex; gap: 0.5rem; flex-shrink: 0; }

/* Trade layout */
.trade-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.trade-my-puzzles {
  background: white;
  border-radius: 16px;
  padding: var(--space-lg);
  border: 1px solid var(--border);
  position: sticky;
  top: 80px;
}

.trade-my-puzzles h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.puzzle-select-list { display: flex; flex-direction: column; gap: 0.5rem; }

.puzzle-select-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: background 0.15s;
}

.puzzle-select-item:hover { background: var(--cream-alt); }

.trade-available h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.trade-puzzle-list { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: var(--space-md); }

.trade-puzzle-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: white;
  border-radius: 12px;
  border: 1px solid var(--border);
  gap: 1rem;
}

.trade-puzzle-info { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 0; }

.trade-puzzle-img {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

.trade-puzzle-placeholder {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  background: var(--cream-alt);
  flex-shrink: 0;
}

.no-puzzles { font-size: 0.9rem; color: var(--charcoal-soft); }
.no-puzzles a { color: var(--green); }

/* Add form */
.add-form-section { margin-bottom: var(--space-xl); }

.add-form-card {
  background: white;
  border-radius: 20px;
  padding: var(--space-xl);
  border: 1px solid var(--border);
  max-width: 640px;
}

.add-form-card h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group.full { grid-column: 1 / -1; }

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--charcoal);
}

.form-group input, .form-group select, .form-group textarea {
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--charcoal);
  background: white;
  transition: border-color 0.2s;
}

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

.checkbox-label { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; cursor: pointer; }
.checkbox-label input { width: 16px; height: 16px; }

.form-actions { display: flex; gap: 0.75rem; margin-top: 0.5rem; }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26, 26, 26, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 1rem;
}

.modal {
  background: white;
  border-radius: 20px;
  padding: var(--space-xl);
  max-width: 480px;
  width: 100%;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.2);
}

.modal h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.modal p { color: var(--charcoal-soft); margin-bottom: var(--space-lg); }

/* Auth page */
.auth-page {
  min-height: 100vh;
  background: var(--cream);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.auth-card {
  background: white;
  border-radius: 24px;
  padding: var(--space-xl);
  width: 100%;
  max-width: 420px;
  box-shadow: 0 8px 32px rgba(45, 90, 39, 0.1);
}

.auth-logo {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--green);
  text-decoration: none;
  display: block;
  margin-bottom: 4px;
}

.auth-tagline {
  font-size: 0.85rem;
  color: var(--charcoal-soft);
  font-style: italic;
  margin-bottom: var(--space-lg);
}

.auth-card h1 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.auth-error {
  background: #fce4ec;
  color: #B71C1C;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
}

.auth-form { display: flex; flex-direction: column; gap: 1rem; margin-bottom: var(--space-lg); }

.auth-switch {
  text-align: center;
  font-size: 0.9rem;
  color: var(--charcoal-soft);
}

.auth-switch a { color: var(--green); font-weight: 500; text-decoration: none; }

/* Google OAuth button */
.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 11px 20px;
  background: white;
  border: 1.5px solid #ddd;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: #3c4043;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, box-shadow 0.15s;
  margin-bottom: 0.5rem;
}

.btn-google:hover {
  background: #f8f9fa;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

/* Auth divider */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0.5rem 0;
  font-size: 0.85rem;
  color: var(--charcoal-soft);
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Responsive */
@media (max-width: 900px) {
  .trade-layout { grid-template-columns: 1fr; }
  .trade-my-puzzles { position: static; }
  .form-row { grid-template-columns: 1fr; }
  .app-header { flex-direction: column; }
  .header-actions { width: 100%; }
}

@media (max-width: 600px) {
  .puzzle-grid { grid-template-columns: 1fr; }
  .search-bar { flex-direction: column; align-items: stretch; }
  .search-form { flex-direction: column; }
  .search-location { max-width: none; }
  .add-form-card { padding: var(--space-lg); }
}

/* Number stepper (photo count) */
.number-stepper {
  display: flex;
  align-items: center;
  gap: 0;
  width: fit-content;
}

.stepper-btn {
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: var(--cream);
  color: var(--charcoal);
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}

.stepper-btn:hover { background: var(--cream-alt); }

.stepper-input {
  width: 60px;
  height: 36px;
  text-align: center;
  border: 1.5px solid var(--border);
  border-left: none;
  border-right: none;
  border-radius: 0;
  font-size: 1rem;
  font-weight: 600;
  background: white;
  -moz-appearance: textfield;
}

.stepper-input::-webkit-outer-spin-button,
.stepper-input::-webkit-inner-spin-button { -webkit-appearance: none; }

/* Form hint text */
.form-hint {
  font-size: 0.8rem;
  color: var(--charcoal-soft);
  margin-top: 4px;
  line-height: 1.3;
}

/* Condition note snippet in trade page */
.condition-note-snippet {
  display: block;
  font-size: 0.78rem;
  color: var(--charcoal-soft);
  font-style: italic;
  margin-top: 2px;
}

/* Full-width form group */
.form-group.full { grid-column: 1 / -1; }

/* ===== FIRST SWAP GUARANTEE BADGE ===== */
.profile-header {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 2rem clamp(1.5rem, 5vw, 3rem);
  max-width: 1200px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.profile-avatar-wrap {
  flex-shrink: 0;
}

.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
}

.profile-avatar-placeholder {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--cream-alt);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--green);
}

.profile-identity {
  flex: 1;
  min-width: 0;
}

.profile-name-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.25rem;
}

.profile-name {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--charcoal);
  line-height: 1.2;
  margin: 0;
}

.profile-location {
  font-size: 0.875rem;
  color: var(--charcoal-soft);
  margin: 0;
}

.first-swap-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  background: var(--green);
  color: #fff;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  font-family: var(--font-body);
  letter-spacing: 0.01em;
  cursor: default;
  position: relative;
}

.first-swap-badge svg {
  flex-shrink: 0;
}

.fsg-tooltip-trigger {
  cursor: pointer;
  display: flex;
  align-items: center;
  opacity: 0.75;
  transition: opacity 0.15s;
}

.fsg-tooltip-trigger:hover {
  opacity: 1;
}

.fsg-tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  width: 240px;
  background: var(--charcoal);
  color: #fff;
  border-radius: 8px;
  padding: 0.75rem 0.9rem;
  font-size: 0.78rem;
  line-height: 1.5;
  box-shadow: 0 4px 16px rgba(0,0,0,0.18);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
  z-index: 50;
  text-align: left;
}

.fsg-tooltip strong {
  display: block;
  color: var(--sage);
  margin-bottom: 0.3rem;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

.fsg-tooltip p {
  margin: 0;
  color: rgba(255,255,255,0.85);
}

/* Arrow on tooltip */
.fsg-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--charcoal);
}

/* ===== COMPLETION BADGE ===== */
.completion-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: #e8f5e9;
  color: #2D5A27;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  margin-bottom: 4px;
}

/* ===== COMPLETE BUTTON ===== */
.btn-complete {
  background: #e8f5e9;
  color: #2D5A27;
  border: 1.5px solid #c8e6c9;
}
.btn-complete:hover {
  background: #c8e6c9;
}