* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', system-ui, sans-serif;
}

body {
  background-color: #0b0e14;
  color: #e1e6ed;
  min-height: 100vh;
  padding: 20px;
}

.app-container {
  max-width: 950px;
  margin: 0 auto;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  border-bottom: 2px solid #1f293d;
  padding-bottom: 15px;
}

.brand h1 {
  font-size: 2.2rem;
  color: #3b82f6;
  text-shadow: 0 0 12px rgba(59, 130, 246, 0.4);
}

.subtitle {
  font-size: 0.85rem;
  color: #64748b;
}

.status-zone {
  display: flex;
  align-items: center;
  gap: 15px;
}

.update-tag {
  font-size: 0.8rem;
  background: #161b26;
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid #2d3748;
  color: #94a3b8;
}

#btn-refresh {
  background: #2563eb;
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
}

#btn-refresh:hover {
  background: #1d4ed8;
}

.toolbar input {
  width: 100%;
  padding: 12px 16px;
  background: #161b26;
  border: 1px solid #2d3748;
  border-radius: 8px;
  color: #fff;
  font-size: 1rem;
  margin-bottom: 20px;
  outline: none;
}

/* Sections principales (Marchandises, Vaisseaux) */
.section-categorie {
  background: #111520;
  border: 1px solid #1f293d;
  border-radius: 8px;
  margin-bottom: 20px;
  overflow: hidden;
}

.titre-section {
  padding: 16px 20px;
  font-size: 1.2rem;
  font-weight: bold;
  background: #161b26;
  color: #3b82f6;
  cursor: pointer;
  border-bottom: 1px solid #1f293d;
}

.liste-cartes {
  padding: 15px;
}

/* Cartes déroulantes d'items */
.carte-item {
  background: #161b26;
  border: 1px solid #2d3748;
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
}

summary.entete-item {
  padding: 14px 18px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: bold;
  background: #1c2333;
}

summary.entete-item:hover {
  background: #222b3e;
}

.badge-gain {
  color: #4ade80;
  background: rgba(74, 222, 128, 0.1);
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid rgba(74, 222, 128, 0.2);
}

.contenu-item {
  padding: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  background: #0f131c;
}

.bloc-info {
  background: #182030;
  padding: 12px 14px;
  border-radius: 6px;
  border-left: 4px solid #3b82f6;
}

.bloc-info.vente {
  border-left-color: #eab308;
}

.bloc-info h4 {
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.bloc-info p {
  font-size: 0.85rem;
  margin-top: 5px;
  color: #94a3b8;
}

.bloc-info strong {
  color: #fff;
}

.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  margin-top: 6px;
  font-weight: 500;
}

.badge.ok {
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
}

.badge.alerte {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
}

.loading {
  text-align: center;
  padding: 25px;
  color: #64748b;
  font-style: italic;
}