:root {
    --primary: 0 60% 49%;          /* #C93333 - KURYEEN Brand Red */
    --primary-light: 0 70% 59%;    /* Lighter red variant */
    --primary-dark: 0 60% 39%;     /* Darker red variant */
    --secondary: 0 60% 59%;        /* #E05555 - Lighter red */
    --success: 0 60% 49%;          /* Brand red for success */
    --danger: 354 70% 54%;         /* #dc3545 */
    --warning: 45 100% 51%;        /* #ffc107 */
    --info: 188 78% 41%;           /* #17a2b8 */
    --light: 210 17% 98%;          /* #f8f9fa */
    --dark: 210 10% 23%;           /* #343a40 */
    --background: 0 0% 98%;        /* #fafafa */
    --surface: 0 0% 100%;          /* #ffffff */
    --text: 210 10% 23%;           /* #343a40 */
    --text-muted: 210 11% 71%;     /* #6c757d */
    --border: 210 14% 89%;         /* #dee2e6 */
    --text-on-primary: 0 0% 100%;  /* White text on red backgrounds */
}

* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: hsl(var(--text));
    background-color: hsl(var(--background));
    margin: 0;
    padding: 0;
}

.main-wrapper {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    background: hsl(var(--surface));
    border-right: 1px solid hsl(var(--border));
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: transform 0.3s ease;
}

.sidebar.collapsed {
    transform: translateX(-100%);
}

.sidebar-header {
    padding: 1.5rem 1rem;
    border-bottom: 1px solid hsl(var(--border));
    background: hsl(var(--primary));
    color: hsl(var(--text-on-primary));
}

.sidebar-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: hsl(var(--text-on-primary));
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sidebar-nav {
    padding: 1rem 0;
}

.nav-item {
    margin-bottom: 0.25rem;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: hsl(var(--text));
    text-decoration: none;
    transition: all 0.2s ease;
    gap: 0.75rem;
}

.nav-link:hover {
    background-color: hsl(var(--light));
    color: hsl(var(--primary));
}

.nav-link.active {
    background-color: hsl(var(--primary) / 0.1);
    color: hsl(var(--primary));
    border-right: 3px solid hsl(var(--primary));
}

.nav-link i {
    width: 20px;
    text-align: center;
}

.main-content {
    flex: 1;
    margin-left: 280px;
    transition: margin-left 0.3s ease;
}

.main-content.expanded {
    margin-left: 0;
}

.topbar {
    background: hsl(var(--surface));
    border-bottom: 1px solid hsl(var(--border));
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.2rem;
    color: hsl(var(--text));
    cursor: pointer;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: auto;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: hsl(var(--text));
}

.content-area {
    padding: 2rem;
}

.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: hsl(var(--text));
    margin: 0;
}

.page-subtitle {
    color: hsl(var(--text-muted));
    margin: 0.25rem 0 0 0;
}

.card {
    background: hsl(var(--surface));
    border: 1px solid hsl(var(--border));
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
}

.card-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid hsl(var(--border));
    background: hsl(var(--light));
    border-radius: 0.5rem 0.5rem 0 0;
}

.card-title {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: hsl(var(--text));
}

.card-body {
    padding: 1.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid transparent;
    border-radius: 0.375rem;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: hsl(var(--primary));
    border-color: hsl(var(--primary));
    color: hsl(var(--text-on-primary));
}

.btn-primary:hover {
    background-color: hsl(var(--primary-dark));
    color: hsl(var(--text-on-primary));
}

.btn-success {
    background-color: hsl(var(--success));
    border-color: hsl(var(--success));
    color: hsl(var(--text-on-primary));
}

.btn-danger {
    background-color: hsl(var(--danger));
    border-color: hsl(var(--danger));
    color: hsl(var(--text-on-primary));
}

.btn-warning {
    background-color: hsl(var(--warning));
    border-color: hsl(var(--warning));
    color: hsl(var(--dark));
}

.btn-secondary {
    background-color: hsl(var(--secondary));
    border-color: hsl(var(--secondary));
    color: hsl(var(--text-on-primary));
}

.btn-outline-primary {
    color: hsl(var(--primary));
    border-color: hsl(var(--primary));
    background: transparent;
}

.btn-outline-primary:hover {
    background-color: hsl(var(--primary));
    color: hsl(var(--text-on-primary));
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: hsl(var(--text));
}

.form-control {
    display: block;
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    border: 1px solid hsl(var(--border));
    border-radius: 0.375rem;
    background-color: hsl(var(--surface));
    color: hsl(var(--text));
    transition: border-color 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: hsl(var(--primary));
    box-shadow: 0 0 0 2px hsl(var(--primary) / 0.25);
}

.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m1 6 7 7 7-7'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
    padding-right: 2.5rem;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

.table th,
.table td {
    padding: 0.75rem;
    border-bottom: 1px solid hsl(var(--border));
    text-align: left;
}

.table th {
    background-color: hsl(var(--light));
    font-weight: 600;
    color: hsl(var(--text));
    border-top: 1px solid hsl(var(--border));
}

.table-striped tbody tr:nth-child(odd) {
    background-color: hsl(var(--light) / 0.5);
}

.table-hover tbody tr:hover {
    background-color: hsl(var(--light));
}

.badge {
    display: inline-block;
    padding: 0.35em 0.65em;
    font-size: 0.75em;
    font-weight: 600;
    line-height: 1;
    color: white;
    text-align: center;
    white-space: nowrap;
    border-radius: 0.375rem;
}

.badge.bg-primary {
    background-color: hsl(var(--primary));
}

.badge.bg-success {
    background-color: hsl(var(--success));
}

.badge.bg-danger {
    background-color: hsl(var(--danger));
}

.badge.bg-warning {
    background-color: hsl(var(--warning));
    color: hsl(var(--dark));
}

.badge.bg-info {
    background-color: hsl(var(--info));
}

.badge.bg-secondary {
    background-color: hsl(var(--secondary));
}

.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 0.375rem;
}

.alert-success {
    color: hsl(var(--success) / 0.8);
    background-color: hsl(var(--success) / 0.1);
    border-color: hsl(var(--success) / 0.2);
}

.alert-danger {
    color: hsl(var(--danger) / 0.8);
    background-color: hsl(var(--danger) / 0.1);
    border-color: hsl(var(--danger) / 0.2);
}

.alert-warning {
    color: hsl(var(--warning) / 0.8);
    background-color: hsl(var(--warning) / 0.1);
    border-color: hsl(var(--warning) / 0.2);
}

.alert-info {
    color: hsl(var(--info) / 0.8);
    background-color: hsl(var(--info) / 0.1);
    border-color: hsl(var(--info) / 0.2);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: hsl(var(--surface));
    border: 1px solid hsl(var(--border));
    border-radius: 0.5rem;
    padding: 1.5rem;
    text-align: center;
}

.stat-icon {
    width: 3rem;
    height: 3rem;
    margin: 0 auto 1rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.primary {
    background-color: hsl(var(--primary) / 0.1);
    color: hsl(var(--primary));
}

.stat-icon.success {
    background-color: hsl(var(--success) / 0.1);
    color: hsl(var(--success));
}

.stat-icon.warning {
    background-color: hsl(var(--warning) / 0.1);
    color: hsl(var(--warning));
}

.stat-icon.danger {
    background-color: hsl(var(--danger) / 0.1);
    color: hsl(var(--danger));
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: hsl(var(--text));
    margin: 0.5rem 0;
}

.stat-label {
    color: hsl(var(--text-muted));
    font-size: 0.9rem;
}

.actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.pagination {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
    gap: 0.25rem;
}

.pagination a,
.pagination span {
    padding: 0.5rem 0.75rem;
    border: 1px solid hsl(var(--border));
    color: hsl(var(--text));
    text-decoration: none;
    border-radius: 0.375rem;
}

.pagination a:hover {
    background-color: hsl(var(--light));
}

.pagination .current {
    background-color: hsl(var(--primary));
    color: white;
    border-color: hsl(var(--primary));
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    .content-area {
        padding: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .table-responsive {
        overflow-x: auto;
    }
    
    .actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .topbar {
        padding: 0.75rem 1rem;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
}

/* Loading and States */
.loading {
    text-align: center;
    padding: 2rem;
    color: hsl(var(--text-muted));
}

.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: hsl(var(--text-muted));
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: hsl(var(--light));
}

::-webkit-scrollbar-thumb {
    background: hsl(var(--primary));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: hsl(var(--primary-dark));
}

/* Courier Registration Form Styles */
.courier-registration-form .card {
    border: 1px solid hsl(var(--border));
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: box-shadow 0.3s ease;
}

.courier-registration-form .card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.courier-registration-form .card-header {
    background: hsl(var(--primary));
    color: hsl(var(--text-on-primary));
    border-bottom: none;
    padding: 1.25rem 1.5rem;
}

.courier-registration-form .card-header h4 {
    margin: 0;
    font-weight: 600;
    font-size: 1.2rem;
}

.courier-registration-form .card-body {
    padding: 2rem 1.5rem;
}

.courier-registration-form .form-label {
    font-weight: 600;
    color: hsl(var(--text));
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.courier-registration-form .form-control,
.courier-registration-form .form-select {
    border: 2px solid hsl(var(--border));
    border-radius: 8px;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.courier-registration-form .form-control:focus,
.courier-registration-form .form-select:focus {
    border-color: hsl(var(--primary));
    box-shadow: 0 0 0 0.2rem hsl(var(--primary) / 0.25);
    outline: none;
}

.courier-registration-form .form-text {
    font-size: 0.85rem;
    color: hsl(var(--text-muted));
    margin-top: 0.25rem;
}

.courier-registration-form .required-field::after {
    content: ' *';
    color: hsl(var(--danger));
    font-weight: bold;
}

.courier-registration-form .section-divider {
    border: none;
    height: 2px;
    background: linear-gradient(to right, transparent, hsl(var(--border)), transparent);
    margin: 2rem 0;
}

.courier-registration-form .form-actions {
    background: hsl(var(--light));
    margin: -2rem -1.5rem -2rem -1.5rem;
    padding: 1.5rem;
    border-radius: 0 0 0.5rem 0.5rem;
}

.courier-registration-form .btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.courier-registration-form .btn-primary {
    background: hsl(var(--primary));
    border: none;
    color: hsl(var(--text-on-primary));
    box-shadow: 0 4px 12px hsl(var(--primary) / 0.3);
}

.courier-registration-form .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px hsl(var(--primary) / 0.4);
}

.courier-registration-form .btn-secondary {
    background: hsl(var(--secondary));
    border: none;
    color: hsl(var(--text-on-primary));
}

.courier-registration-form .btn-secondary:hover {
    background: hsl(var(--secondary) / 0.8);
    transform: translateY(-1px);
}

/* File input styling */
.courier-registration-form input[type="file"] {
    border: 2px dashed hsl(var(--border));
    background: hsl(var(--light));
    padding: 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.courier-registration-form input[type="file"]:hover {
    border-color: hsl(var(--primary));
    background: hsl(var(--primary) / 0.05);
}

/* Progress indicator */
.form-progress {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
    padding: 1rem;
    background: hsl(var(--light));
    border-radius: 12px;
}

.progress-step {
    flex: 1;
    text-align: center;
    padding: 0.5rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: hsl(var(--text-muted));
    background: white;
    margin: 0 0.25rem;
    transition: all 0.3s ease;
}

.progress-step.active {
    background: hsl(var(--primary));
    color: hsl(var(--text-on-primary));
}

.progress-step.completed {
    background: hsl(var(--success));
    color: hsl(var(--text-on-primary));
}

/* Section icons styling */
.courier-registration-form .card-header i {
    font-size: 1.2rem;
    margin-right: 0.5rem;
}

/* Responsive adjustments for courier form */
@media (max-width: 768px) {
    .courier-registration-form .card-body {
        padding: 1.5rem 1rem;
    }
    
    .courier-registration-form .form-actions {
        margin: -1.5rem -1rem -1.5rem -1rem;
        padding: 1rem;
    }
    
    .courier-registration-form .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
        width: 100%;
        margin-bottom: 0.5rem;
    }
}

/* Sidebar overlay for mobile */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.sidebar-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* Mobile header */
.mobile-header {
    background: hsl(var(--surface));
    border-bottom: 1px solid hsl(var(--border));
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.mobile-header .sidebar-toggle {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: hsl(var(--text));
    cursor: pointer;
}

/* Pulse Heart Animation */
.pulse-heart {
    color: #C93333;
    animation: pulse-heart 1.5s ease-in-out infinite;
}

@keyframes pulse-heart {
    0% {
        transform: scale(1);
    }
    25% {
        transform: scale(1.1);
    }
    50% {
        transform: scale(1);
    }
    75% {
        transform: scale(1.15);
    }
    100% {
        transform: scale(1);
    }
}