/**
 * Bootstrap 5 Overrides and Customizations
 * VMS - Vehicle Management System
 * Version: 1.5.0 - Phase 1
 */

/* ============================================
   ROOT VARIABLES - South African Branding
   ============================================ */
:root {
    /* Primary Colors - Professional Blue/Green */
    --vms-primary: #0d6efd;
    --vms-primary-dark: #0a58ca;
    --vms-secondary: #6c757d;
    --vms-success: #198754;
    --vms-info: #0dcaf0;
    --vms-warning: #ffc107;
    --vms-danger: #dc3545;
    
    /* South African Brand Colors (Optional) */
    --vms-sa-green: #007749;
    --vms-sa-gold: #FFB81C;
    --vms-sa-blue: #001489;
    
    /* Typography */
    --vms-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --vms-heading-font: var(--vms-font-family);
    
    /* Spacing */
    --vms-spacing-xs: 0.25rem;
    --vms-spacing-sm: 0.5rem;
    --vms-spacing-md: 1rem;
    --vms-spacing-lg: 1.5rem;
    --vms-spacing-xl: 2rem;
    
    /* Border Radius */
    --vms-border-radius: 0.375rem;
    --vms-border-radius-lg: 0.5rem;
    --vms-border-radius-xl: 0.75rem;
    
    /* Shadows */
    --vms-shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --vms-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --vms-shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    
    /* Transitions */
    --vms-transition: all 0.3s ease;
}

/* ============================================
   GLOBAL STYLES
   ============================================ */
body {
    font-family: var(--vms-font-family);
    color: var(--bs-body-color);
    background-color: var(--bs-body-bg);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--vms-heading-font);
    font-weight: 600;
}

a {
    text-decoration: none;
    transition: var(--vms-transition);
}

a:hover {
    text-decoration: none;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    border-radius: var(--vms-border-radius);
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    transition: var(--vms-transition);
}

.btn-primary {
    background-color: var(--vms-primary);
    border-color: var(--vms-primary);
}

.btn-primary:hover {
    background-color: var(--vms-primary-dark);
    border-color: var(--vms-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--vms-shadow);
}

.btn-lg {
    padding: 0.75rem 2rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.375rem 1rem;
    font-size: 0.875rem;
}

/* ============================================
   CARDS
   ============================================ */
.card {
    border-radius: var(--vms-border-radius-lg);
    box-shadow: var(--vms-shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.125);
    transition: var(--vms-transition);
}

.card:hover {
    box-shadow: var(--vms-shadow);
    transform: translateY(-2px);
}

.card-header {
    background-color: rgba(0, 0, 0, 0.03);
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
    padding: 1rem 1.25rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    background-color: rgba(0, 0, 0, 0.03);
    border-top: 1px solid rgba(0, 0, 0, 0.125);
}

/* ============================================
   FORMS
   ============================================ */
.form-control,
.form-select {
    border-radius: var(--vms-border-radius);
    border: 1px solid #ced4da;
    padding: 0.625rem 0.75rem;
    transition: var(--vms-transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--vms-primary);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.form-floating > .form-control,
.form-floating > .form-select {
    height: calc(3.5rem + 2px);
    line-height: 1.25;
}

.form-floating > label {
    padding: 1rem 0.75rem;
}

/* Form validation */
.was-validated .form-control:valid,
.form-control.is-valid {
    border-color: var(--vms-success);
    padding-right: calc(1.5em + 0.75rem);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%23198754' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
}

.was-validated .form-control:invalid,
.form-control.is-invalid {
    border-color: var(--vms-danger);
    padding-right: calc(1.5em + 0.75rem);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
}

/* ============================================
   TABLES
   ============================================ */
.table {
    border-collapse: separate;
    border-spacing: 0;
}

.table thead th {
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
    color: var(--bs-secondary);
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: rgba(0, 0, 0, 0.02);
}

.table-hover > tbody > tr:hover > * {
    background-color: rgba(0, 0, 0, 0.04);
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    font-weight: 500;
    padding: 0.375rem 0.75rem;
    border-radius: var(--vms-border-radius);
    font-size: 0.875rem;
}

.badge-status {
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    border-radius: var(--vms-border-radius);
    border-left: 4px solid;
    padding: 1rem 1.25rem;
}

.alert-success {
    border-left-color: var(--vms-success);
}

.alert-danger {
    border-left-color: var(--vms-danger);
}

.alert-warning {
    border-left-color: var(--vms-warning);
}

.alert-info {
    border-left-color: var(--vms-info);
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    padding: 0.75rem 1rem;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    padding: 0;
}

.nav-link {
    padding: 0.5rem 1rem;
    transition: var(--vms-transition);
}

.nav-link:hover {
    color: var(--vms-primary) !important;
}

.navbar-light .navbar-nav .nav-link.active {
    color: var(--vms-primary) !important;
    font-weight: 600;
}

/* ============================================
   DROPDOWN
   ============================================ */
.dropdown-menu {
    border-radius: var(--vms-border-radius);
    box-shadow: var(--vms-shadow);
    border: 1px solid rgba(0, 0, 0, 0.15);
    padding: 0.5rem 0;
}

.dropdown-item {
    padding: 0.625rem 1.25rem;
    transition: var(--vms-transition);
}

.dropdown-item:hover {
    background-color: rgba(0, 0, 0, 0.04);
    color: var(--vms-primary);
}

.dropdown-divider {
    margin: 0.5rem 0;
}

/* ============================================
   MODALS
   ============================================ */
.modal-content {
    border-radius: var(--vms-border-radius-lg);
    border: none;
    box-shadow: var(--vms-shadow-lg);
}

.modal-header {
    border-bottom: 1px solid #dee2e6;
    padding: 1.25rem 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid #dee2e6;
    padding: 1rem 1.5rem;
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
    margin-bottom: 0;
}

.page-link {
    color: var(--vms-primary);
    border-radius: var(--vms-border-radius);
    margin: 0 0.125rem;
    transition: var(--vms-transition);
}

.page-link:hover {
    color: var(--vms-primary-dark);
    background-color: rgba(13, 110, 253, 0.1);
}

.page-item.active .page-link {
    background-color: var(--vms-primary);
    border-color: var(--vms-primary);
}

/* ============================================
   BREADCRUMB
   ============================================ */
.breadcrumb {
    background-color: transparent;
    padding: 0.75rem 0;
    margin-bottom: 1rem;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: ">";
    color: var(--bs-secondary);
}

.breadcrumb-item.active {
    color: var(--bs-body-color);
    font-weight: 500;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.shadow-sm-hover:hover {
    box-shadow: var(--vms-shadow-sm) !important;
}

.shadow-hover:hover {
    box-shadow: var(--vms-shadow) !important;
}

.transform-hover:hover {
    transform: translateY(-2px);
}

.cursor-pointer {
    cursor: pointer;
}

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */
@media (max-width: 767.98px) {
    .card {
        margin-bottom: 1rem;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .btn-group .btn {
        width: auto;
        margin-bottom: 0;
    }
}