:root {
  --primary: #1e3a8a;
  --primary-hover: #1e40af;
  --primary-light: #eff6ff;
  --secondary: #0284c7;
  --accent: #f59e0b;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --dark: #0f172a;
  --light: #f8fafc;
  --border: #e2e8f0;
  --text-muted: #64748b;
  --card-bg: #ffffff;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: #f1f5f9;
  color: #1e293b;
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a {
  color: var(--secondary);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* Navbar */
.navbar {
  background-color: #ffffff;
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.brand-badge {
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
}

.nav-link {
  color: #475569;
  font-size: 0.95rem;
  font-weight: 500;
}
.nav-link:hover {
  color: var(--primary);
  text-decoration: none;
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
}

.nav-btn-primary {
  background: var(--primary);
  color: #ffffff !important;
}
.nav-btn-primary:hover {
  background: var(--primary-hover);
  text-decoration: none;
}

.nav-btn-pos {
  background: #0f766e;
  color: #ffffff !important;
}
.nav-btn-pos:hover {
  background: #115e59;
  text-decoration: none;
}

.role-pill {
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
  font-weight: 700;
  background: #e2e8f0;
  color: #475569;
}
.role-superadmin { background: #fee2e2; color: #991b1b; }
.role-manager { background: #fef3c7; color: #92400e; }
.role-cashier { background: #ccfbf1; color: #115e59; }
.role-cleaner { background: #e0e7ff; color: #3730a3; }
.role-driver { background: #f3e8ff; color: #6b21a8; }
.role-customer { background: #dcfce7; color: #166534; }

/* Main layout container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  flex: 1;
}

.container-fluid {
  width: 100%;
  padding: 1.5rem;
  flex: 1;
}

/* Flash alerts */
.alert {
  padding: 0.9rem 1.25rem;
  border-radius: 6px;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}
.alert-error {
  background-color: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}
.alert-success {
  background-color: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
}
.alert-info {
  background-color: #eff6ff;
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

/* Card components */
.card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.card-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--dark);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #1e3a8a 0%, #0369a1 100%);
  color: #ffffff;
  padding: 4rem 1.5rem;
  text-align: center;
  border-radius: 12px;
  margin-bottom: 3rem;
}
.hero h1 {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.025em;
}
.hero p {
  font-size: 1.25rem;
  opacity: 0.9;
  max-width: 700px;
  margin: 0 auto 2rem auto;
}

/* Postcode checker */
.postcode-box {
  background: #ffffff;
  padding: 0.5rem;
  border-radius: 8px;
  display: inline-flex;
  max-width: 500px;
  width: 100%;
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}
.postcode-input {
  flex: 1;
  border: none;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  outline: none;
  text-transform: uppercase;
}
.postcode-btn {
  background: #f59e0b;
  color: #ffffff;
  border: none;
  padding: 0.75rem 1.5rem;
  font-weight: 700;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
}
.postcode-btn:hover {
  background: #d97706;
}

/* Grid & Layouts */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .grid-2 { grid-template-columns: 1fr; }
  .navbar { flex-wrap: wrap; gap: 0.5rem; }
  .nav-links { flex-wrap: wrap; }
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 9999px;
  text-transform: uppercase;
}
.badge-PENDING { background: #fef3c7; color: #92400e; }
.badge-SCHEDULED_COLLECTION { background: #e0f2fe; color: #0369a1; }
.badge-COLLECTED { background: #e0e7ff; color: #3730a3; }
.badge-IN_PROCESS { background: #fef08a; color: #854d0e; }
.badge-READY { background: #ccfbf1; color: #115e59; }
.badge-OUT_FOR_DELIVERY { background: #fae8ff; color: #86198f; }
.badge-COMPLETED { background: #dcfce7; color: #166534; }
.badge-CANCELLED { background: #fee2e2; color: #991b1b; }

.badge-paid { background: #dcfce7; color: #166534; }
.badge-partial { background: #fef3c7; color: #92400e; }
.badge-unpaid { background: #fee2e2; color: #991b1b; }

/* Table styling */
.table-responsive {
  overflow-x: auto;
}
.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: 0.95rem;
}
.table th, .table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.table th {
  background: #f8fafc;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
}
.table tr:hover td {
  background: #f8fafc;
}

/* Form controls */
.form-group {
  margin-bottom: 1.25rem;
}
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: #334155;
}
.form-control {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
  outline: none;
}
.form-control:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  gap: 0.5rem;
}
.btn-primary { background: var(--primary); color: #ffffff; }
.btn-primary:hover { background: var(--primary-hover); text-decoration: none; }
.btn-secondary { background: #e2e8f0; color: #334155; }
.btn-secondary:hover { background: #cbd5e1; text-decoration: none; }
.btn-success { background: var(--success); color: #ffffff; }
.btn-danger { background: var(--danger); color: #ffffff; }
.btn-block { width: 100%; }

/* POS specific UI */
.pos-layout {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 1.5rem;
  height: calc(100vh - 120px);
}
.pos-catalog {
  background: #ffffff;
  border-radius: 8px;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.pos-cart {
  background: #ffffff;
  border-radius: 8px;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
}
.pos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 0.75rem;
  padding: 1rem;
  overflow-y: auto;
}
.pos-item-btn {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 90px;
}
.pos-item-btn:hover {
  border-color: var(--secondary);
  background: var(--primary-light);
  transform: translateY(-2px);
}
.pos-item-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: #1e293b;
}
.pos-item-price {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 0.25rem;
}

/* Footer */
footer {
  background: #ffffff;
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: auto;
}

/* Printable Thermal Receipt */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
  .navbar, footer, .no-print {
    display: none !important;
  }
  .receipt-container {
    width: 80mm !important;
    max-width: 100% !important;
    margin: 0 auto !important;
    padding: 0 !important;
    box-shadow: none !important;
    border: none !important;
    font-family: 'Courier New', Courier, monospace !important;
    font-size: 12px !important;
  }
  .receipt-container * {
    color: #000000 !important;
  }
}