:root {
  --navy-900: #0b1830;
  --navy-800: #14224a;
  --navy-700: #1c3566;
  --navy-600: #24417d;
  --gold: #f4b400;
  --gold-dark: #d69e00;
  --bg: #f2f4f8;
  --card-bg: #ffffff;
  --text-muted: #6b7280;
  --danger: #e5484d;
  --success: #1b9e5a;
}

* { box-sizing: border-box; }

body {
  background: var(--bg);
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  color: #1f2937;
}

/* ---------- Login ---------- */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at top left, var(--navy-600), var(--navy-900) 70%);
  padding: 20px;
}

.login-card {
  background: var(--card-bg);
  border-radius: 16px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.35);
  overflow: hidden;
}

.login-brand {
  background: linear-gradient(135deg, var(--navy-800), var(--navy-700));
  color: #fff;
  text-align: center;
  padding: 34px 20px 26px;
}

.login-brand .gear-icon {
  font-size: 42px;
  color: var(--gold);
}

.login-brand h1 {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 1px;
  margin: 8px 0 0;
}

.login-brand p {
  margin: 2px 0 0;
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
}

.login-body { padding: 28px 30px 32px; }

.btn-gold {
  background: var(--gold);
  border-color: var(--gold-dark);
  color: #1f2937;
  font-weight: 600;
}
.btn-gold:hover { background: var(--gold-dark); color: #111827; }

.demo-hint {
  background: #fff8e6;
  border: 1px dashed var(--gold-dark);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 12.5px;
  color: #7a5b00;
}

/* ---------- App shell ---------- */
.app-topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 60px;
  background: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px 0 16px;
  z-index: 1030;
}

.app-topbar .toggler-btn {
  background: none;
  border: none;
  font-size: 22px;
  color: var(--navy-800);
  margin-right: 12px;
}

.app-topbar .page-title {
  font-weight: 700;
  color: var(--navy-800);
  font-size: 18px;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  color: var(--navy-800);
}
.topbar-brand .bi { color: var(--gold-dark); font-size: 20px; }

.app-sidebar {
  position: fixed;
  top: 60px;
  bottom: 0;
  left: 0;
  width: 250px;
  background: linear-gradient(180deg, var(--navy-900), var(--navy-800));
  overflow-y: auto;
  z-index: 1020;
  transition: transform .25s ease;
}

.app-sidebar .nav-link {
  color: rgba(255,255,255,0.75);
  padding: 11px 20px;
  font-size: 14.5px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-left: 3px solid transparent;
}
.app-sidebar .nav-link .bi { font-size: 16px; width: 18px; text-align: center; }
.app-sidebar .nav-link:hover {
  color: #fff;
  background: rgba(255,255,255,0.06);
}
.app-sidebar .nav-link.active {
  color: #fff;
  background: rgba(244,180,0,0.14);
  border-left-color: var(--gold);
  font-weight: 600;
}

.sidebar-section-label {
  color: rgba(255,255,255,0.35);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 16px 20px 6px;
}

.app-content {
  margin-left: 250px;
  padding-top: 76px;
  padding-left: 24px;
  padding-right: 24px;
  padding-bottom: 40px;
  min-height: 100vh;
}

@media (max-width: 991.98px) {
  .app-sidebar { transform: translateX(-100%); }
  body.sidebar-open .app-sidebar { transform: translateX(0); }
  .app-content { margin-left: 0; }
}

/* ---------- Widgets ---------- */
.kpi-card {
  border-radius: 14px;
  border: none;
  color: #fff;
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}
.kpi-card .kpi-icon {
  font-size: 26px;
  background: rgba(255,255,255,0.18);
  width: 46px; height: 46px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
}
.kpi-card .kpi-number { font-size: 26px; font-weight: 800; }
.kpi-card .kpi-label { font-size: 12.5px; opacity: 0.9; }

.bg-navy { background: linear-gradient(135deg, var(--navy-700), var(--navy-900)); }
.bg-gold { background: linear-gradient(135deg, #ffcf40, var(--gold-dark)); color:#1f2937 !important; }
.bg-teal { background: linear-gradient(135deg, #17a589, #117864); }
.bg-rose { background: linear-gradient(135deg, #e5484d, #b3262b); }

.card-panel {
  background: var(--card-bg);
  border: none;
  border-radius: 14px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.06);
}

.section-title {
  font-weight: 700;
  color: var(--navy-800);
}

.table thead th {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-muted);
  border-top: none;
  white-space: nowrap;
}

.badge-stock-low { background: var(--danger); }
.badge-stock-ok { background: var(--success); }

.badge-estado-recibido { background: #6b7280; }
.badge-estado-proceso { background: #2563eb; }
.badge-estado-listo { background: #d69e00; }
.badge-estado-entregado { background: #1b9e5a; }

.avatar-circle {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--navy-700);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 13px;
}

.repuesto-row .form-select, .repuesto-row .form-control { font-size: 13.5px; }

/* ---------- Print (Orden de salida) ---------- */
@media print {
  .no-print { display: none !important; }
  body { background: #fff; }
  .print-sheet { box-shadow: none !important; margin: 0 !important; }
}