/* Custom CSS for ClassPilot Tester Reporting System */

:root {
    --primary-color: #4f46e5;
    --primary-light: #6366f1;
    --primary-dark: #3730a3;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    --light-bg: #f8fafc;
    --dark-text: #1e293b;
    --muted-text: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Global Styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--light-bg);
    color: var(--dark-text);
    line-height: 1.6;
}

/* Custom Button Styles */
.btn {
    border-radius: 8px;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: all 0.2s ease-in-out;
    border: none;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

/* Card Enhancements */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    overflow: hidden;
}

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

.card-header {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    padding: 1rem 1.5rem;
}

.card-body {
    padding: 1.5rem;
}

/* Form Enhancements */
.form-control, .form-select {
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    transition: all 0.2s ease;
    font-size: 0.95rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

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

/* Table Enhancements */
.table {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table thead th {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    font-weight: 600;
    border: none;
    padding: 1rem;
}

.table tbody tr {
    transition: all 0.2s ease;
}

.table tbody tr:hover {
    background-color: rgba(79, 70, 229, 0.05);
    transform: scale(1.01);
}

.table td {
    padding: 1rem;
    vertical-align: middle;
    border-color: var(--border-color);
}

/* Badge Enhancements */
.badge {
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.8rem;
}

/* Alert Enhancements */
.alert {
    border: none;
    border-radius: 12px;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
}

.alert-success {
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
    color: #065f46;
}

.alert-danger {
    background: linear-gradient(135deg, #fef2f2, #fecaca);
    color: #991b1b;
}

.alert-warning {
    background: linear-gradient(135deg, #fffbeb, #fed7aa);
    color: #92400e;
}

/* Sidebar Enhancements */
.sidebar {
    background: linear-gradient(180deg, #ffffff, #f8fafc);
    backdrop-filter: blur(10px);
    border-right: 1px solid var(--border-color);
}

.sidebar .nav-link {
    border-radius: 8px;
    margin: 0.25rem 0;
    padding: 0.75rem 1rem;
    transition: all 0.2s ease;
    font-weight: 500;
}

.sidebar .nav-link:hover {
    background: rgba(79, 70, 229, 0.1);
    transform: translateX(4px);
}

.sidebar .nav-link.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white !important;
    box-shadow: var(--shadow);
}

/* Dashboard Cards */
.dashboard-card {
    background: linear-gradient(135deg, #ffffff, #f8fafc);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.dashboard-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Status Badges */
.badge-pending {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
}

.badge-in-progress {
    background: linear-gradient(135deg, #06b6d4, #0891b2);
    color: white;
}

.badge-fixed {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.badge-rejected {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

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

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

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

/* Loading States */
.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Enhancements */
@media (max-width: 768px) {
    .card-body {
        padding: 1rem;
    }
    
    .table-responsive {
        border-radius: 12px;
    }
    
    .btn {
        padding: 0.75rem 1.25rem;
    }
}

/* Mobile Optimization */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1050;
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding: 10px;
    }
    
    .container-fluid {
        padding-left: 10px;
        padding-right: 10px;
    }
    
    /* Mobile card adjustments */
    .card {
        margin-bottom: 15px;
    }
    
    .card-body {
        padding: 15px;
    }
    
    /* Mobile table responsiveness */
    .table-responsive {
        font-size: 14px;
    }
    
    .table td, .table th {
        padding: 8px 4px;
        font-size: 12px;
    }
    
    /* Mobile button adjustments */
    .btn-sm {
        font-size: 11px;
        padding: 4px 8px;
    }
    
    /* Mobile statistics cards */
    .col-md-4, .col-md-6, .col-md-8 {
        margin-bottom: 15px;
    }
    
    /* Mobile progress bars */
    .progress {
        height: 6px;
    }
    
    /* Mobile navigation */
    .navbar-toggler {
        border: none;
        padding: 4px 8px;
    }
    
    /* Mobile dropdown adjustments */
    .dropdown-menu {
        font-size: 14px;
    }
    
    /* Mobile notification dropdown */
    .notification-dropdown {
        width: 300px !important;
        left: -250px !important;
    }
}

@media (max-width: 576px) {
    .notification-dropdown {
        width: 280px !important;
        left: -220px !important;
    }
    
    .container-fluid {
        padding-left: 5px;
        padding-right: 5px;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    h5 {
        font-size: 1.1rem;
    }
    
    .btn {
        font-size: 12px;
        padding: 6px 12px;
    }
    
    /* Stack statistics cards vertically on very small screens */
    .row .col-4 {
        margin-bottom: 10px;
    }
}

/* Notification Styles */
.notification-dropdown {
    border: none;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.notification-item {
    padding: 12px 16px;
    border-bottom: 1px solid #f8f9fa;
    transition: background-color 0.2s ease;
}

.notification-item:hover {
    background-color: #f8f9fa;
}

.notification-item.unread {
    background-color: #e3f2fd;
    border-left: 3px solid #2196f3;
}

.notification-item.unread:hover {
    background-color: #bbdefb;
}

.notification-item h6 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.notification-item p {
    font-size: 13px;
    line-height: 1.4;
    margin-bottom: 4px;
}

.notification-item small {
    font-size: 11px;
}

/* Bell icon animation */
@keyframes bellShake {
    0% { transform: rotate(0deg); }
    10% { transform: rotate(14deg); }
    20% { transform: rotate(-8deg); }
    30% { transform: rotate(14deg); }
    40% { transform: rotate(-4deg); }
    50% { transform: rotate(10deg); }
    60% { transform: rotate(0deg); }
    100% { transform: rotate(0deg); }
}

.fa-bell:hover {
    animation: bellShake 0.5s ease-in-out;
}

/* Mobile sidebar toggle */
.mobile-sidebar-toggle {
    display: none;
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 1051;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 8px 12px;
    font-size: 16px;
}

@media (max-width: 768px) {
    .mobile-sidebar-toggle {
        display: block;
    }
}

/* Improved responsive grid */
@media (max-width: 992px) {
    .col-lg-2 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

@media (max-width: 768px) {
    .col-md-3, .col-md-4, .col-md-6, .col-md-8 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* Touch-friendly buttons */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .btn-sm {
        min-height: 36px;
        min-width: 36px;
    }
}

/* Improved form controls for mobile */
@media (max-width: 768px) {
    .form-control, .form-select {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 12px;
    }
    
    .modal-dialog {
        margin: 10px;
    }
    
    .modal-content {
        border-radius: 8px;
    }
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--muted-text);
}

/* Focus States */
.form-control:focus,
.form-select:focus,
.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

/* Utility Classes */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

.border-gradient {
    border: 2px solid;
    border-image: linear-gradient(135deg, var(--primary-color), var(--primary-light)) 1;
}