/* ===== VARIABLES ===== */
:root {
    --primary-color: #800020;
    --primary-dark: #5a0016;
    --primary-light: #a3002a;
    --secondary-color: #f5f5f5;
    --accent-color: #d4af37;
    --text-dark: #333;
    --text-light: #666;
    --bg-light: #f8f9fa;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
}

/* ===== BASE STYLES ===== */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    color: var(--text-dark);
    line-height: 1.6;
}

/* ===== NAVIGATION ===== */
.navbar-custom {
    background-color: var(--primary-color) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-custom .navbar-brand {
    color: white;
    font-weight: 700;
    font-size: 1.5rem;
}

.navbar-custom .navbar-brand:hover {
    color: var(--accent-color);
}

.navbar-custom .nav-link {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
}

.navbar-custom .nav-link:hover {
    color: var(--accent-color);
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.navbar-custom .dropdown-menu {
    border: none;
    box-shadow: var(--shadow);
}

.navbar-custom .dropdown-item:hover {
    background-color: var(--primary-light);
    color: white;
}

/* ===== SIDEBAR ===== */
.sidebar {
    background: linear-gradient(180deg, var(--primary-color), var(--primary-dark));
    min-height: 100vh;
    padding: 0;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
}

.sidebar-sticky {
    position: sticky;
    top: 0;
    padding-top: 20px;
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.8);
    padding: 12px 20px;
    margin: 2px 0;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
}

.sidebar .nav-link:hover {
    color: white;
    background-color: rgba(255, 255, 255, 0.1);
    border-left: 3px solid var(--accent-color);
}

.sidebar .nav-link.active {
    color: white;
    background-color: rgba(255, 255, 255, 0.15);
    border-left: 3px solid var(--accent-color);
    font-weight: 600;
}

.sidebar .nav-link i {
    width: 24px;
    text-align: center;
    margin-right: 10px;
}

/* ===== BUTTONS ===== */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 8px 20px;
    font-weight: 500;
}

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

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

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

.btn-accent {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: #333;
}

.btn-accent:hover {
    background-color: #c19a2c;
    border-color: #c19a2c;
}

/* ===== CARDS ===== */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.card-header {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
    border-radius: var(--border-radius) var(--border-radius) 0 0 !important;
    padding: 15px 20px;
}

.card-header.bg-secondary {
    background-color: #6c757d !important;
}

/* ===== DASHBOARD WIDGETS ===== */
.dashboard-widget {
    text-align: center;
    padding: 20px;
    border-radius: var(--border-radius);
    color: white;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.dashboard-widget:hover {
    transform: translateY(-3px);
}

.widget-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
}

.widget-success {
    background: linear-gradient(135deg, #28a745, #20c997);
}

.widget-info {
    background: linear-gradient(135deg, #17a2b8, #20c9c9);
}

.widget-warning {
    background: linear-gradient(135deg, #ffc107, #fd7e14);
}

.dashboard-widget i {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.dashboard-widget .number {
    font-size: 2rem;
    font-weight: 700;
    display: block;
}

.dashboard-widget .label {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* ===== TABLES ===== */
.table-custom {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table-custom thead th {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 15px;
    font-weight: 600;
}

.table-custom tbody tr:hover {
    background-color: rgba(128, 0, 32, 0.05);
}

.table-custom .badge {
    padding: 5px 10px;
    border-radius: 20px;
    font-weight: 500;
}

/* ===== FORMS ===== */
.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(128, 0, 32, 0.25);
}

.form-label {
    font-weight: 500;
    color: var(--text-dark);
}

/* ===== ALERTS ===== */
.alert-custom {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: var(--shadow);
}

/* ===== LOGIN PAGE ===== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(128, 0, 32, 0.1), rgba(212, 175, 55, 0.1));
}

.login-card {
    border: none;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.login-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    padding: 30px;
    text-align: center;
}

.login-header h2 {
    color: white;
    margin: 0;
    font-weight: 700;
}

.login-header p {
    color: rgba(255, 255, 255, 0.8);
    margin: 5px 0 0 0;
}

.login-body {
    padding: 40px;
    background-color: white;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--primary-color);
    color: white;
    padding: 20px 0;
    margin-top: 40px;
}

.footer a {
    color: var(--accent-color);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* ===== RESPONSIVE UTILITIES ===== */

/* Mobile First Approach */
@media (max-width: 767.98px) {
    .sidebar {
        min-height: auto;
        position: fixed;
        bottom: 0;
        width: 100%;
        z-index: 1000;
        padding: 0;
    }
    
    .sidebar .nav {
        display: flex;
        flex-direction: row;
        overflow-x: auto;
        padding: 10px 0;
    }
    
    .sidebar .nav-link {
        flex: 1;
        min-width: 70px;
        text-align: center;
        padding: 10px 5px;
        border-left: none;
        border-top: 3px solid transparent;
    }
    
    .sidebar .nav-link:hover,
    .sidebar .nav-link.active {
        border-left: none;
        border-top: 3px solid var(--accent-color);
    }
    
    .sidebar .nav-link span {
        display: block;
        font-size: 0.8rem;
        margin-top: 5px;
    }
    
    .sidebar .nav-link i {
        margin-right: 0;
        font-size: 1.2rem;
    }
    
    main {
        margin-bottom: 70px !important;
        padding: 15px !important;
    }
    
    .dashboard-widget {
        padding: 15px;
    }
    
    .dashboard-widget .number {
        font-size: 1.5rem;
    }
    
    .table-responsive {
        font-size: 0.9rem;
    }
    
    .navbar-brand {
        font-size: 1.2rem !important;
    }
    
    .login-body {
        padding: 20px;
    }
}

/* Tablet */
@media (min-width: 768px) and (max-width: 991.98px) {
    .sidebar {
        width: 200px;
    }
    
    main {
        padding: 20px !important;
    }
    
    .dashboard-widget {
        padding: 15px;
    }
}

/* Desktop */
@media (min-width: 992px) {
    .sidebar {
        width: 250px;
    }
    
    .sidebar .nav-link span {
        display: inline;
    }
}

/* Print Styles */
@media print {
    .sidebar, .navbar, .btn {
        display: none !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}

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

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

/* ===== LOADING SPINNER ===== */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(128, 0, 32, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== STATUS BADGES ===== */
.status-active {
    background-color: #d4edda;
    color: #155724;
}

.status-inactive {
    background-color: #f8d7da;
    color: #721c24;
}

.status-pending {
    background-color: #fff3cd;
    color: #856404;
}