/* ============================================================
   Compost Coty — Thème (dark/light via variables CSS)
   ============================================================ */
:root {
  --bg: #F8FAFC;
  --bg-soft: #FFFFFF;
  --bg-elevated: #FFFFFF;
  --text: #0F172A;
  --text-soft: #475569;
  --text-muted: #94A3B8;
  --border: #E2E8F0;
  --primary: #16A34A;          /* vert compost */
  --primary-hover: #15803D;
  --primary-soft: #DCFCE7;
  --secondary: #92400E;         /* brun terre */
  --secondary-soft: #FEF3C7;
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
  --info: #0EA5E9;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.08);
  --radius: 12px;
  --radius-sm: 8px;
}

[data-theme="dark"] {
  --bg: #0F172A;
  --bg-soft: #1E293B;
  --bg-elevated: #1E293B;
  --text: #F1F5F9;
  --text-soft: #CBD5E1;
  --text-muted: #64748B;
  --border: #334155;
  --primary: #22C55E;
  --primary-hover: #16A34A;
  --primary-soft: #14532D;
  --secondary: #D97706;
  --secondary-soft: #451A03;
  --shadow: 0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.4);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

/* Boutons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
  min-height: 44px;
  text-decoration: none;
}
.btn-primary {
  background: var(--primary);
  color: white;
}
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

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

.btn-danger { background: var(--danger); color: white; }
.btn-ghost { background: transparent; color: var(--text-soft); }
.btn-ghost:hover { background: var(--bg-soft); }

/* Champs */
.input, .select, .textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  color: var(--text);
  font-size: 15px;
  min-height: 44px;
  transition: border-color 0.15s;
  font-family: inherit;
}
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.15);
}

/* Cartes */
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  transition: transform 0.1s, box-shadow 0.15s;
}
.card.clickable {
  cursor: pointer;
}
.card.clickable:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge-primary { background: var(--primary-soft); color: var(--primary); }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.badge-danger { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.badge-success { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.badge-info { background: rgba(14, 165, 233, 0.15); color: var(--info); }
.badge-muted { background: var(--bg-soft); color: var(--text-muted); border: 1px solid var(--border); }

/* Badge de notif (rond rouge avec compteur) */
.notif-dot {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--danger);
  color: white;
  min-width: 20px;
  height: 20px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 6px;
  border: 2px solid var(--bg-elevated);
}

/* Onglets bottom-tab */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 8px 0 max(8px, env(safe-area-inset-bottom));
  z-index: 50;
}
.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 8px 4px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  background: transparent;
  transition: color 0.15s;
}
.bottom-nav-item.active { color: var(--primary); }
.bottom-nav-item svg { width: 24px; height: 24px; }

/* Header */
.app-header {
  position: sticky;
  top: 0;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px max(12px, env(safe-area-inset-top));
  padding-top: max(12px, env(safe-area-inset-top));
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 40;
}
.app-header h1 {
  font-size: 18px;
  font-weight: 700;
  margin: 0;
}
.header-actions { display: flex; gap: 8px; align-items: center; }
.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: transparent;
  border: none;
  color: var(--text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}
.icon-btn:hover { background: var(--bg-soft); }
.icon-btn svg { width: 22px; height: 22px; }

/* Container principal */
main.app-main {
  padding: 16px;
  padding-bottom: 90px;
  max-width: 720px;
  margin: 0 auto;
}

/* Loading / empty */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.empty-state {
  text-align: center;
  padding: 48px 16px;
  color: var(--text-muted);
}
.empty-state .emoji { font-size: 48px; margin-bottom: 12px; }

/* Modale */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 100;
  padding: 0;
}
@media (min-width: 640px) {
  .modal-overlay { align-items: center; padding: 20px; }
}
.modal {
  background: var(--bg-elevated);
  border-radius: 16px 16px 0 0;
  padding: 20px;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  padding-bottom: max(20px, env(safe-area-inset-bottom));
}
@media (min-width: 640px) {
  .modal { border-radius: 16px; }
}

/* Toast */
.toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  padding: 12px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  z-index: 200;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.2s ease;
}
@keyframes slideUp { from { transform: translate(-50%, 20px); opacity: 0; } }

/* Titres */
h2 { font-size: 20px; margin: 16px 0 12px; }
h3 { font-size: 16px; margin: 12px 0 8px; }

.section-title {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  font-weight: 600;
  margin: 20px 0 8px;
}

/* Utilitaires */
.stack { display: flex; flex-direction: column; gap: 12px; }
.row { display: flex; gap: 12px; align-items: center; }
.grow { flex-grow: 1; }
.text-muted { color: var(--text-muted); }
.text-small { font-size: 13px; }
.text-center { text-align: center; }
.mt-2 { margin-top: 8px; } .mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; } .mb-4 { margin-bottom: 16px; }

/* Couleurs statut composteur */
.statut-demarrage { background: rgba(14, 165, 233, 0.15); color: var(--info); }
.statut-actif { background: var(--primary-soft); color: var(--primary); }
.statut-murissage { background: var(--secondary-soft); color: var(--secondary); }
.statut-distribution { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.statut-inactif { background: var(--bg-soft); color: var(--text-muted); }