:root {
  --brand-start: #FF9D2E;
  --brand-end: #E8650A;
  --card-bg: #F2F2F2;
  --text-gray: #666666;
  --error: #D32F2F;
  --off-black: #1F1F1F;
  --border: #DDDDDD;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--off-black);
  background: #FFFFFF;
}

.header {
  background: linear-gradient(135deg, var(--brand-start), var(--brand-end));
  color: #fff;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.header h1 { margin: 0; font-size: 20px; }
.header .subtitle { font-size: 12px; opacity: .9; }
.header .user-box { text-align: right; font-size: 13px; }
.header .user-box a { color: #fff; }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}

.nav a.btn-nav {
  background: #fff;
  border: 1px solid var(--border);
  color: var(--off-black);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 13px;
  min-width: 90px;
  text-align: center;
}
.nav a.btn-nav:hover { background: var(--card-bg); }
.nav .nav-section { width: 100%; font-size: 11px; font-weight: bold; color: var(--text-gray); margin: 6px 0 0 4px; text-transform: uppercase; }

.container { padding: 20px; max-width: 1100px; margin: 0 auto; }

.card {
  background: var(--card-bg);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 10px;
}

.cards-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}
.cards-grid .card { flex: 1 1 150px; min-width: 150px; }
.cards-grid .card .label { font-size: 11px; color: var(--text-gray); }
.cards-grid .card .value { font-size: 22px; font-weight: bold; }

table { width: 100%; border-collapse: collapse; margin-bottom: 20px; }
th, td { text-align: left; padding: 10px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { background: var(--card-bg); font-size: 12px; color: var(--text-gray); text-transform: uppercase; }
tr:hover { background: #FFF8F0; }

.status-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; }
.status-Lleno { background: #2E7D32; }
.status-Vacio { background: #757575; }
.status-Vendido { background: #1565C0; }
.status-ConCliente { background: #EF6C00; }
.status-EnLlenado { background: #F9A825; }
.status-EnMantenimiento { background: #00838F; }
.status-Descartado { background: #C62828; }

.form-group { margin-bottom: 16px; max-width: 420px; }
.form-group label { display: block; font-size: 13px; color: var(--text-gray); margin-bottom: 4px; }
.form-group input[type=text], .form-group input[type=password], .form-group input[type=number],
.form-group input[type=date], .form-group select, .form-group textarea {
  width: 100%; padding: 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px;
}
.form-row { display: flex; gap: 16px; flex-wrap: wrap; }
.form-row .form-group { flex: 1 1 200px; }

.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--off-black);
  cursor: pointer;
  font-size: 14px;
  text-decoration: none;
  min-width: 110px;
  text-align: center;
}
.btn-primary {
  background: linear-gradient(135deg, var(--brand-start), var(--brand-end));
  color: #fff;
  border: none;
}
.btn-sm { min-width: 0; padding: 6px 12px; font-size: 12px; }

.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }

.alert { padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; font-size: 14px; }
.alert-error { background: #FDECEA; color: var(--error); }
.alert-success { background: #E8F5E9; color: #2E7D32; }
.alert-info { background: #FFF3E0; color: #B5500A; }

.login-wrap { max-width: 380px; margin: 60px auto; padding: 0 20px; }
.login-card { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.login-card .header { flex-direction: column; align-items: flex-start; }
.login-card .body { padding: 24px; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 11px; }
.badge-active { background: #E8F5E9; color: #2E7D32; }
.badge-inactive { background: #FDECEA; color: var(--error); }

@media (max-width: 600px) {
  .header { flex-direction: column; align-items: flex-start; }
  .header .user-box { text-align: left; }
}