/**
 * SysCMS - Main Application Styles
 * 
 * Custom styles for the SysCMS application
 * Built on top of Bootstrap 5.3
 */

/* ===== VARIABLES ===== */
:root {
    --syscms-primary: #007bff;
    --syscms-secondary: #6c757d;
    --syscms-success: #28a745;
    --syscms-danger: #dc3545;
    --syscms-warning: #ffc107;
    --syscms-info: #17a2b8;
    --syscms-light: #f8f9fa;
    --syscms-dark: #343a40;
    
    --syscms-font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --syscms-font-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    
    --syscms-border-radius: 0.375rem;
    --syscms-box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --syscms-box-shadow-lg: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* ===== GLOBAL STYLES ===== */
body {
    font-family: var(--syscms-font-sans);
    line-height: 1.6;
    color: var(--syscms-dark);
}

/* ===== NAVBAR ===== */
.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: rgba(255, 255, 255, 0.8) !important;
}

.dropdown-menu {
    border: none;
    box-shadow: var(--syscms-box-shadow-lg);
    border-radius: var(--syscms-border-radius);
}

.dropdown-item {
    transition: background-color 0.3s ease;
}

.dropdown-item:hover {
    background-color: var(--syscms-light);
}

/* ===== HERO SECTION ===== */
.hero-section {
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,144C960,149,1056,139,1152,122.7C1248,107,1344,85,1392,74.7L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

/* ===== CARDS ===== */
.card {
    border: none;
    box-shadow: var(--syscms-box-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: var(--syscms-border-radius);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--syscms-box-shadow-lg);
}

.card-title {
    font-weight: 600;
    color: var(--syscms-dark);
}

/* ===== BUTTONS ===== */
.btn {
    font-weight: 500;
    border-radius: var(--syscms-border-radius);
    transition: all 0.3s ease;
    border: none;
}

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

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
    transform: translateY(-2px);
}

.btn-outline-primary {
    border-color: var(--syscms-primary);
    color: var(--syscms-primary);
}

.btn-outline-primary:hover {
    background-color: var(--syscms-primary);
    border-color: var(--syscms-primary);
}

/* ===== FORMS ===== */
.form-control {
    border-radius: var(--syscms-border-radius);
    border: 1px solid #ced4da;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    border-color: var(--syscms-primary);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-label {
    font-weight: 600;
    color: var(--syscms-dark);
    margin-bottom: 0.5rem;
}

/* ===== ALERTS ===== */
.alert {
    border: none;
    border-radius: var(--syscms-border-radius);
    font-weight: 500;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
}

/* ===== FOOTER ===== */
footer {
    background-color: var(--syscms-dark) !important;
}

footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: #fff;
}

/* ===== BREADCRUMBS ===== */
.breadcrumb {
    background-color: transparent;
    padding: 0;
    margin: 0;
}

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

.breadcrumb-item a {
    color: var(--syscms-primary);
    text-decoration: none;
}

.breadcrumb-item a:hover {
    text-decoration: underline;
}

/* ===== TABLES ===== */
.table {
    border-radius: var(--syscms-border-radius);
    overflow: hidden;
}

.table thead th {
    background-color: var(--syscms-light);
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
}

.table-hover tbody tr:hover {
    background-color: rgba(0, 123, 255, 0.05);
}

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

.page-link {
    border: none;
    color: var(--syscms-primary);
    margin: 0 2px;
    border-radius: var(--syscms-border-radius);
}

.page-link:hover {
    background-color: var(--syscms-light);
    color: var(--syscms-primary);
}

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

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

.modal-header {
    border-bottom: 1px solid #dee2e6;
    background-color: var(--syscms-light);
}

.modal-footer {
    border-top: 1px solid #dee2e6;
    background-color: var(--syscms-light);
}

/* ===== LOADING STATES ===== */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* ===== UTILITIES ===== */
.text-gradient {
    background: linear-gradient(135deg, var(--syscms-primary), #0056b3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-sm {
    box-shadow: var(--syscms-box-shadow);
}

.shadow-lg {
    box-shadow: var(--syscms-box-shadow-lg);
}

.rounded-lg {
    border-radius: 0.5rem;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

.animate-slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

.animate-slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero-section .display-4 {
        font-size: 2rem;
    }
    
    .hero-section .btn-lg {
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .table-responsive {
        border-radius: var(--syscms-border-radius);
    }
}

@media (max-width: 576px) {
    .hero-section .row {
        text-align: center;
    }
    
    .hero-section .col-lg-6 {
        margin-bottom: 2rem;
    }
    
    .btn-group-vertical .btn {
        margin-bottom: 0.5rem;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .navbar,
    .btn,
    .pagination,
    .modal {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #dee2e6;
    }
    
    .table {
        font-size: 0.8rem;
    }
}

/* ===== DARK MODE SUPPORT ===== */
@media (prefers-color-scheme: dark) {
    :root {
        --syscms-light: #212529;
        --syscms-dark: #f8f9fa;
    }
    
    body {
        background-color: #121212;
        color: var(--syscms-dark);
    }
    
    .card {
        background-color: #1e1e1e;
        color: var(--syscms-dark);
    }
    
    .form-control {
        background-color: #2d2d2d;
        border-color: #404040;
        color: var(--syscms-dark);
    }
    
    .table {
        color: var(--syscms-dark);
    }
    
    .table thead th {
        background-color: #2d2d2d;
    }
}

/* ===== ACCESSIBILITY ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* FOCUS STYLES */
.btn:focus,
.form-control:focus,
.nav-link:focus {
    outline: 2px solid var(--syscms-primary);
    outline-offset: 2px;
}

/* HIGH CONTRAST MODE */
@media (prefers-contrast: high) {
    :root {
        --syscms-primary: #0000ff;
        --syscms-success: #008000;
        --syscms-danger: #ff0000;
        --syscms-warning: #ff8c00;
    }
    
    .btn {
        border: 2px solid currentColor;
    }
    
    .card {
        border: 2px solid var(--syscms-dark);
    }
}