:root {
  --primary: #0b5394;
  --primary-dark: #073763;
  --success: #2e7d32;
  --warning: #e65100;
  --danger: #c62828;
  --bg: #f4f6f8;
  --card-bg: #ffffff;
  --border: #e0e4e8;
  --text: #1a1a1a;
  --text-muted: #6b7280;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  background: var(--primary-dark);
  color: white;
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.topbar h1 { font-size: 18px; margin: 0; font-weight: 600; }
.topbar .actions { display: flex; gap: 12px; align-items: center; }
.topbar button, .btn-logout {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.4);
  color: white;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}
.topbar button:hover { background: rgba(255,255,255,0.1); }

.container { max-width: 1100px; margin: 0 auto; padding: 24px; }

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

.login-card {
  background: white;
  padding: 40px;
  border-radius: var(--radius);
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
  width: 100%;
  max-width: 380px;
}
.login-card h2 { margin-top: 0; color: var(--primary-dark); }
.login-card .logo-label { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }

label { display: block; font-size: 13px; font-weight: 600; margin: 14px 0 6px; color: var(--text-muted); }
input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); }

.btn {
  display: inline-block;
  background: var(--primary);
  color: white;
  border: none;
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
}
.btn:hover { background: var(--primary-dark); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-secondary { background: #fff; color: var(--primary); border: 1px solid var(--primary); }
.btn-success { background: var(--success); }
.btn-danger { background: var(--danger); }
.btn-sm { padding: 5px 10px; font-size: 12px; margin-top: 0; }
.btn-block { width: 100%; }

.error-msg { color: var(--danger); font-size: 13px; margin-top: 10px; }
.success-msg { color: var(--success); font-size: 13px; margin-top: 10px; }

.tabs { display: flex; gap: 4px; margin-bottom: 20px; border-bottom: 2px solid var(--border); }
.tab {
  padding: 10px 18px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
}
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  border: 1px solid var(--border);
}

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 24px; }
.stat-card { background: white; border-radius: var(--radius); padding: 18px; border: 1px solid var(--border); }
.stat-card .label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.stat-card .value { font-size: 26px; font-weight: 700; margin-top: 6px; }
.stat-card.warn .value { color: var(--warning); }
.stat-card.danger .value { color: var(--danger); }

table { width: 100%; border-collapse: collapse; background: white; border-radius: var(--radius); overflow: hidden; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); font-size: 13px; }
th { background: #f9fafb; font-weight: 600; color: var(--text-muted); text-transform: uppercase; font-size: 11px; letter-spacing: 0.5px; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafbfc; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 11px; font-weight: 700; text-transform: uppercase; }
.badge-payee { background: #e8f5e9; color: var(--success); }
.badge-en_attente { background: #fff3e0; color: var(--warning); }
.badge-en_retard { background: #ffebee; color: var(--danger); }
.badge-nouvelle { background: #e3f2fd; color: var(--primary); }
.badge-en_cours { background: #fff3e0; color: var(--warning); }
.badge-expediee { background: #ede7f6; color: #5e35b1; }
.badge-livree { background: #e8f5e9; color: var(--success); }
.badge-annulee { background: #f5f5f5; color: var(--text-muted); }

.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.product-card { background: white; border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.product-card h4 { margin: 0 0 4px; font-size: 14px; }
.product-card .ref { font-size: 11px; color: var(--text-muted); }
.product-card .price { font-size: 18px; font-weight: 700; color: var(--primary-dark); margin: 10px 0; }
.qty-row { display: flex; align-items: center; gap: 8px; }
.qty-row input { width: 60px; text-align: center; }

.cart-bar {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--primary-dark); color: white;
  padding: 14px 24px; display: flex; justify-content: space-between; align-items: center;
}

.empty-state { text-align: center; padding: 40px; color: var(--text-muted); }

.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.modal { background: white; border-radius: var(--radius); padding: 28px; width: 100%; max-width: 480px; max-height: 90vh; overflow-y: auto; }
.modal h3 { margin-top: 0; }
.modal-close { float: right; cursor: pointer; font-size: 20px; color: var(--text-muted); }

.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; gap: 12px; flex-wrap: wrap; }
.search-input { max-width: 260px; }

.loading { text-align: center; padding: 40px; color: var(--text-muted); }