/* ═══════════════════════════════════════════════
   DAMUNDJÉ — Design System
   Propre, chaleureux, accessible à tous
   Suit automatiquement le thème du téléphone/PC
═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800&display=swap');

/* ── Thème CLAIR (défaut) ─────────────────── */
:root {
  --bg-base:      #f5f5f5;
  --bg-surface:   #ffffff;
  --bg-card:      #ffffff;
  --bg-input:     #f0f0f0;
  --bg-hover:     #f7f7f7;

  --primary:       #2563eb;        /* bleu principal */
  --primary-light: #eff6ff;
  --primary-dark:  #1d4ed8;

  --whatsapp:      #25d366;        /* vert WhatsApp */
  --whatsapp-dark: #128c4a;

  --success:  #16a34a;
  --warning:  #d97706;
  --danger:   #dc2626;

  --text-primary:   #111111;
  --text-secondary: #555555;
  --text-muted:     #999999;
  --text-on-primary: #ffffff;

  --border:        #e5e5e5;
  --border-focus:  #2563eb;
  --shadow-sm:     0 1px 3px rgba(0,0,0,0.08);
  --shadow-md:     0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg:     0 8px 32px rgba(0,0,0,0.12);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;

  --font: 'Nunito', 'Segoe UI', Arial, sans-serif;
  --navbar-height: 60px;
}

/* ── Thème SOMBRE (automatique selon le système) ── */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-base:      #0f0f0f;
    --bg-surface:   #1a1a1a;
    --bg-card:      #1e1e1e;
    --bg-input:     #2a2a2a;
    --bg-hover:     #252525;

    --primary:       #3b82f6;
    --primary-light: #1e3a5f;
    --primary-dark:  #2563eb;

    --text-primary:   #f0f0f0;
    --text-secondary: #aaaaaa;
    --text-muted:     #666666;

    --border:        #2e2e2e;
    --border-focus:  #3b82f6;
    --shadow-sm:     0 1px 3px rgba(0,0,0,0.3);
    --shadow-md:     0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg:     0 8px 32px rgba(0,0,0,0.5);
  }
}

/* ── Reset ──────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a   { color: inherit; text-decoration: none; }
button { font-family: var(--font); cursor: pointer; }

/* ══════════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════════ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--navbar-height);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
}

.navbar-brand {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  flex-shrink: 0;
  letter-spacing: -0.5px;
}

.navbar-brand span { color: var(--whatsapp); }

.search-bar {
  flex: 1;
  position: relative;
  max-width: 520px;
}

.search-bar input {
  width: 100%;
  height: 40px;
  background: var(--bg-input);
  border: 1.5px solid transparent;
  border-radius: 20px;
  padding: 0 16px 0 42px;
  font-family: var(--font);
  font-size: 14px;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}

.search-bar input:focus {
  background: var(--bg-surface);
  border-color: var(--border-focus);
}

.search-bar input::placeholder { color: var(--text-muted); }

.search-bar .icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 16px;
  pointer-events: none;
  color: var(--text-muted);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* ══════════════════════════════════════════════
   BOUTONS
══════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.18s ease;
  text-decoration: none;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}

.btn:active { transform: scale(0.97); }

/* Bouton principal bleu */
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); }

/* Bouton WhatsApp */
.btn-whatsapp {
  background: var(--whatsapp);
  color: #fff;
  font-size: 15px;
}
.btn-whatsapp:hover { background: var(--whatsapp-dark); }

/* Bouton secondaire */
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn-outline:hover { background: var(--primary-light); }

/* Bouton discret */
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-sm  { padding: 7px 14px; font-size: 13px; border-radius: var(--radius-sm); }
.btn-lg  { padding: 14px 28px; font-size: 16px; border-radius: var(--radius-lg); }
.btn-full { width: 100%; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

/* Bouton icône rond */
.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
  background: var(--bg-input);
  border: none;
  font-size: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: background 0.18s;
}
.btn-icon:hover { background: var(--border); }

/* ══════════════════════════════════════════════
   FORMULAIRES
══════════════════════════════════════════════ */
.form-group { margin-bottom: 18px; }

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 7px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1.5px solid transparent;
  border-radius: var(--radius-md);
  padding: 12px 14px;
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
  -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  background: var(--bg-surface);
  border-color: var(--border-focus);
}

.form-input::placeholder { color: var(--text-muted); }

.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='10' viewBox='0 0 14 10'%3E%3Cpath fill='%23999' d='M7 10L0 0h14z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.form-textarea { resize: vertical; min-height: 110px; }

.form-error {
  font-size: 12px;
  color: var(--danger);
  margin-top: 5px;
  font-weight: 500;
}

.form-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 5px;
}

/* Champ avec préfixe (ex: indicatif téléphone) */
.input-group {
  display: flex;
  gap: 8px;
}
.input-group .form-select { width: 130px; flex-shrink: 0; }
.input-group .form-input  { flex: 1; }

/* ══════════════════════════════════════════════
   CARTES ANNONCES
══════════════════════════════════════════════ */
.listings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
  padding: 16px;
}

@media (min-width: 480px) {
  .listings-grid { grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); }
}
@media (min-width: 768px) {
  .listings-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; padding: 20px; }
}

.listing-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s, box-shadow 0.18s;
  display: block;
  color: inherit;
  border: 1px solid var(--border);
  position: relative;
}

.listing-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.listing-card:active { transform: scale(0.98); }

/* Photo de l'annonce */
.listing-card-photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--bg-input);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 36px;
}

.listing-card-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.listing-card:hover .listing-card-photo img {
  transform: scale(1.04);
}

/* Bouton favori (cœur) */
.btn-favorite {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(4px);
  border: none;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.15s;
  box-shadow: var(--shadow-sm);
}
.btn-favorite:active { transform: scale(1.25); }
.btn-favorite.active { color: var(--danger); }

.listing-card-body { padding: 12px; }

.listing-card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
}

.listing-card-price {
  font-size: 17px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 6px;
}

.listing-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

/* ══════════════════════════════════════════════
   BADGES & CHIPS
══════════════════════════════════════════════ */
.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.badge-new      { background: #dcfce7; color: #15803d; }
.badge-like-new { background: #dbeafe; color: #1d4ed8; }
.badge-used     { background: #f3f4f6; color: #6b7280; }
.badge-damaged  { background: #fee2e2; color: #dc2626; }
.badge-negotiable { background: #fef3c7; color: #b45309; }
.badge-sold     { background: #f3f4f6; color: #9ca3af; }

@media (prefers-color-scheme: dark) {
  .badge-new      { background: #14532d; color: #4ade80; }
  .badge-like-new { background: #1e3a5f; color: #60a5fa; }
  .badge-used     { background: #2a2a2a; color: #9ca3af; }
  .badge-negotiable { background: #451a03; color: #fbbf24; }
}

/* ══════════════════════════════════════════════
   BARRE CATÉGORIES
══════════════════════════════════════════════ */
.categories-bar {
  display: flex;
  gap: 8px;
  padding: 10px 16px;
  overflow-x: auto;
  scrollbar-width: none;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
}
.categories-bar::-webkit-scrollbar { display: none; }

.category-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: var(--bg-input);
  border: 1.5px solid transparent;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.18s;
  -webkit-tap-highlight-color: transparent;
}

.category-chip:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.category-chip.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ══════════════════════════════════════════════
   BARRE DE FILTRES PRIX
══════════════════════════════════════════════ */
.filters-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.filter-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.price-range {
  display: flex;
  align-items: center;
  gap: 8px;
}

.price-range input {
  width: 100px;
  height: 36px;
  background: var(--bg-input);
  border: 1.5px solid transparent;
  border-radius: var(--radius-sm);
  padding: 0 10px;
  font-family: var(--font);
  font-size: 13px;
  color: var(--text-primary);
  outline: none;
}

.price-range input:focus { border-color: var(--border-focus); }

.price-range span { color: var(--text-muted); font-size: 13px; }

/* ══════════════════════════════════════════════
   ZONE UPLOAD PHOTOS
══════════════════════════════════════════════ */
.photo-upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-muted);
  background: var(--bg-input);
}

.photo-upload-zone:hover,
.photo-upload-zone.dragover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.photo-upload-zone .upload-icon {
  font-size: 36px;
  margin-bottom: 8px;
}

.photo-upload-zone p { font-size: 14px; font-weight: 600; }
.photo-upload-zone span { font-size: 12px; }

.photo-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.photo-preview-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1.5px solid var(--border);
}

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

.photo-preview-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  background: rgba(220, 38, 38, 0.9);
  color: white;
  border: none;
  border-radius: 50%;
  width: 22px;
  height: 22px;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

/* ══════════════════════════════════════════════
   TOAST NOTIFICATIONS
══════════════════════════════════════════════ */
.toast-container {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 90%;
  max-width: 360px;
  pointer-events: none;
}

.toast {
  background: #222;
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  width: 100%;
  animation: toastIn 0.25s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: var(--shadow-lg);
}

.toast-success { background: #15803d; }
.toast-error   { background: var(--danger); }
.toast-warning { background: var(--warning); color: #fff; }

@media (prefers-color-scheme: dark) {
  .toast { background: #333; }
}

@keyframes toastIn {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* ══════════════════════════════════════════════
   PROFIL VENDEUR
══════════════════════════════════════════════ */
.seller-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.avatar {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--bg-input);
  border: 2px solid var(--border);
  object-fit: cover;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  flex-shrink: 0;
  overflow: hidden;
}

.seller-info { flex: 1; }
.seller-name { font-size: 16px; font-weight: 700; }
.seller-since { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

.stars { color: #f59e0b; letter-spacing: 2px; }

.verified-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--primary);
  font-weight: 600;
}

/* ══════════════════════════════════════════════
   LOADER
══════════════════════════════════════════════ */
.spinner {
  width: 20px;
  height: 20px;
  border: 2.5px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
  vertical-align: middle;
}

.spinner-dark {
  border-color: var(--border);
  border-top-color: var(--primary);
}

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

.loading-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  gap: 14px;
  color: var(--text-muted);
  font-size: 14px;
}

/* ══════════════════════════════════════════════
   PAGE LAYOUTS
══════════════════════════════════════════════ */
.page-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 16px;
}

.page-center {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  background: var(--bg-base);
}

/* ══════════════════════════════════════════════
   ÉTATS VIDES
══════════════════════════════════════════════ */
.empty-state {
  text-align: center;
  padding: 60px 24px;
  color: var(--text-muted);
}

.empty-state .empty-icon { font-size: 52px; margin-bottom: 14px; }
.empty-state h3 { font-size: 17px; font-weight: 700; color: var(--text-secondary); margin-bottom: 8px; }
.empty-state p  { font-size: 14px; margin-bottom: 20px; }

/* ══════════════════════════════════════════════
   TITRE DE SECTION
══════════════════════════════════════════════ */
.section-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary);
  padding: 0 16px;
  margin: 16px 0 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-title a {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
}

/* ══════════════════════════════════════════════
   BARRE DE NAVIGATION MOBILE (bottom nav)
══════════════════════════════════════════════ */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 62px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-around;
  z-index: 100;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.06);
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  transition: color 0.15s;
  border: none;
  background: none;
  -webkit-tap-highlight-color: transparent;
}

.bottom-nav-item .nav-icon { font-size: 22px; }
.bottom-nav-item.active { color: var(--primary); }

/* Bouton publier (central, mis en avant) */
.bottom-nav-publish {
  width: 52px;
  height: 52px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: #fff;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.4);
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.bottom-nav-publish:active { transform: scale(0.93); }

/* Espace pour que le contenu ne soit pas caché derrière la bottom nav */
.has-bottom-nav { padding-bottom: 70px; }

/* ══════════════════════════════════════════════
   CARD ANNONCE DÉTAIL (listing.html)
══════════════════════════════════════════════ */
.listing-detail-photos {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--bg-input);
  overflow: hidden;
  position: relative;
}

.listing-detail-photos img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-dots {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
}

.photo-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  transition: background 0.2s;
}
.photo-dot.active { background: #fff; }

.listing-detail-body { padding: 18px 16px; }

.listing-detail-price {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}

.listing-detail-title {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
}

/* ══════════════════════════════════════════════
   DIVIDER
══════════════════════════════════════════════ */
.divider {
  height: 8px;
  background: var(--bg-base);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 12px 0;
}

/* ══════════════════════════════════════════════
   MASQUER sur grand écran (mobile-first)
══════════════════════════════════════════════ */
@media (min-width: 768px) {
  .bottom-nav { display: none; }
  .has-bottom-nav { padding-bottom: 0; }
  .navbar { padding: 0 24px; }
  .search-bar { max-width: 400px; }
}