:root {
    --primary-color: #4e73df;
    --secondary-color: #858796;
    --success-color: #1cc88a;
    --info-color: #36b9cc;
    --warning-color: #f6c23e;
    --danger-color: #e74a3b;
    --dark-color: #5a5c69;
}

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

body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #f8f9fc;
}

/* Wrapper */
.wrapper {
    display: flex;
    width: 100%;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: linear-gradient(180deg, var(--primary-color) 0%, #224abe 100%);
    color: #fff;
    transition: all 0.3s;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
}

.sidebar-header {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header h3 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
}

.sidebar .nav-link {
    color: rgba(255,255,255,0.8);
    padding: 12px 20px;
    transition: all 0.3s;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    color: #fff;
    background: rgba(255,255,255,0.1);
}

.sidebar .nav-link i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.sidebar .collapse .nav-link {
    padding-left: 50px;
    font-size: 0.9rem;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 250px;
    min-height: 100vh;
}

/* Navbar */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 15px 30px;
}

.navbar .dropdown-menu {
    right: 0;
    left: auto;
}

/* Cards */
.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.card.border-left-primary {
    border-left: 4px solid var(--primary-color) !important;
}

.card.border-left-success {
    border-left: 4px solid var(--success-color) !important;
}

.card.border-left-info {
    border-left: 4px solid var(--info-color) !important;
}

.card.border-left-warning {
    border-left: 4px solid var(--warning-color) !important;
}

/* Tables */
.dataTables_wrapper {
    padding: 20px 0;
}

table.dataTable {
    border-collapse: collapse !important;
}

table.dataTable thead th {
    background-color: #f8f9fc;
    border-bottom: 2px solid #e3e6f0;
}

/* Forms */
.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(78, 115, 223, 0.25);
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #2e59d9;
    border-color: #2e59d9;
}

/* Status Badges */
.badge {
    padding: 5px 10px;
    font-weight: 600;
}

.badge-open {
    background-color: var(--info-color);
    color: #fff;
}

.badge-assigned {
    background-color: var(--warning-color);
    color: #fff;
}

.badge-in-progress {
    background-color: var(--primary-color);
    color: #fff;
}

.badge-waiting-parts {
    background-color: var(--danger-color);
    color: #fff;
}

.badge-resolved {
    background-color: var(--success-color);
    color: #fff;
}

.badge-closed {
    background-color: var(--secondary-color);
    color: #fff;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        margin-left: -250px;
    }
    
    .sidebar.active {
        margin-left: 0;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .navbar {
        left: 0;
    }
}

/* Loading Spinner */
.spinner-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255,255,255,0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.spinner-wrapper.show {
    display: flex;
}

/* Print Styles */
@media print {
    .sidebar,
    .navbar,
    .btn {
        display: none !important;
    }
    
    .main-content {
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}