/* Custom styles for Exam Security System Web Interface */

:root {
    --primary-color: #0d6efd;
    --success-color: #198754;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
}

/* Body and layout */
body {
    background-color: #f5f7fa;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* Navigation */
.navbar-brand {
    font-weight: 600;
    font-size: 1.25rem;
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: color 0.15s ease-in-out;
}

.navbar-nav .nav-link:hover {
    color: #fff !important;
}

/* Cards */
.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    margin-bottom: 1.5rem;
    transition: transform 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color), #4c84ff);
    color: white;
    border-radius: 10px 10px 0 0 !important;
    border: none;
    padding: 1rem 1.25rem;
}

.card-header .card-title {
    color: white;
    margin: 0;
    font-weight: 600;
}

/* Folder structure styling */
.exam-folders {
    max-height: 70vh;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.folder-date {
    margin-bottom: 2rem;
}

.folder-header {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb) !important;
    border: 1px solid #90caf9;
    border-radius: 8px;
    margin-bottom: 0.5rem;
}

.folder-subheader {
    background: linear-gradient(135deg, #f3e5f5, #e1bee7) !important;
    border: 1px solid #ce93d8;
    border-radius: 6px;
    margin-bottom: 0.5rem;
}

.folder-category {
    background: white;
    border: 1px solid #e0e0e0 !important;
    border-radius: 6px;
    transition: all 0.2s ease-in-out;
}

.folder-category:hover {
    border-color: var(--primary-color) !important;
    box-shadow: 0 2px 8px rgba(13, 110, 253, 0.15);
}

.files-list {
    background-color: #f8f9fa;
    border-radius: 6px;
    padding: 1rem;
    border: 1px solid #e9ecef;
}

/* Buttons */
.btn {
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.15s ease-in-out;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #4c84ff);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0b5ed7, #3d71ff);
    transform: translateY(-1px);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #20c997);
    border: none;
}

.btn-success:hover {
    background: linear-gradient(135deg, #157347, #1aa085);
    transform: translateY(-1px);
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

/* Status badges */
.badge {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.4rem 0.7rem;
    border-radius: 20px;
}

.badge.bg-primary {
    background: linear-gradient(135deg, var(--primary-color), #4c84ff) !important;
}

.badge.bg-success {
    background: linear-gradient(135deg, var(--success-color), #20c997) !important;
}

.badge.bg-warning {
    background: linear-gradient(135deg, var(--warning-color), #ffca2c) !important;
    color: #000 !important;
}

.badge.bg-danger {
    background: linear-gradient(135deg, var(--danger-color), #e25565) !important;
}

/* Tables */
.table {
    border-radius: 6px;
    overflow: hidden;
}

.table thead th {
    background-color: #f8f9fa;
    border-top: none;
    font-weight: 600;
    color: #495057;
    font-size: 0.9rem;
}

.table tbody tr:hover {
    background-color: rgba(13, 110, 253, 0.05);
}

.table-warning {
    background-color: rgba(255, 193, 7, 0.1) !important;
}

/* Forms */
.form-control {
    border-radius: 6px;
    border: 2px solid #e9ecef;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.15);
}

.form-select {
    border-radius: 6px;
    border: 2px solid #e9ecef;
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.15);
}

/* Alerts */
.alert {
    border: none;
    border-radius: 8px;
    border-left: 4px solid;
}

.alert-info {
    background-color: #e7f3ff;
    border-left-color: var(--info-color);
    color: #0c5460;
}

.alert-success {
    background-color: #d1e7dd;
    border-left-color: var(--success-color);
    color: #0f5132;
}

.alert-warning {
    background-color: #fff3cd;
    border-left-color: var(--warning-color);
    color: #664d03;
}

.alert-danger {
    background-color: #f8d7da;
    border-left-color: var(--danger-color);
    color: #721c24;
}

.alert-light {
    background-color: #fefefe;
    border-left-color: #adb5bd;
    color: #495057;
}

/* Modals */
.modal-content {
    border: none;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.modal-header {
    border-bottom: 1px solid #e9ecef;
    border-radius: 10px 10px 0 0;
}

.modal-footer {
    border-top: 1px solid #e9ecef;
    border-radius: 0 0 10px 10px;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translate3d(0, 40px, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

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

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

/* Custom scrollbar for folders */
.exam-folders::-webkit-scrollbar {
    width: 8px;
}

.exam-folders::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.exam-folders::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), #4c84ff);
    border-radius: 10px;
}

.exam-folders::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #0b5ed7, #3d71ff);
}

/* Status cards on schedule page */
.card.border-primary {
    border-color: var(--primary-color) !important;
    border-width: 2px;
}

.card.border-success {
    border-color: var(--success-color) !important;
    border-width: 2px;
}

.card.border-warning {
    border-color: var(--warning-color) !important;
    border-width: 2px;
}

.card.border-danger {
    border-color: var(--danger-color) !important;
    border-width: 2px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .card-body {
        padding: 1rem;
    }
    
    .folder-header, .folder-subheader {
        padding: 0.75rem;
    }
    
    .btn-group-vertical .btn {
        margin-bottom: 0.25rem;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
}

#logs-content {
    height: 400px;
    overflow-y: auto;
    background-color: #1e1e1e !important;
    color: #d4d4d4 !important;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.85rem;
    padding: 1rem;
    border-radius: 6px;
    border: 1px solid #333;
    white-space: pre-wrap;
    word-break: break-all;
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a1a1a;
        color: #ffffff;
    }
    
    .card {
        background-color: #2d2d2d;
        color: #ffffff;
    }
    
    .table {
        color: #ffffff;
    }
    
    .table thead th {
        background-color: #404040;
        color: #ffffff;
    }
    
    .form-control {
        background-color: #404040;
        border-color: #555555;
        color: #ffffff;
    }
    
    .form-control:focus {
        background-color: #404040;
        border-color: var(--primary-color);
        color: #ffffff;
    }

    .form-control::placeholder {
        color: #cccccc !important;
        opacity: 1;
    }

    .form-select {
        background-color: #404040;
        border-color: #555555;
        color: #ffffff;
    }

    .modal-content {
        background-color: #2d2d2d;
        color: #ffffff;
    }

    .modal-header, .modal-footer {
        border-color: #404040;
    }

    .btn-close {
        filter: invert(1) grayscale(100%) brightness(200%);
    }

    .text-muted {
        color: #adb5bd !important;
    }
}

/* Footer styling */
footer {
    margin-top: auto;
    border-top: 1px solid #e9ecef;
}

/* Utility classes */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), #4c84ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-sm-hover:hover {
    box-shadow: 0 0.125rem 0.5rem rgba(0, 0, 0, 0.15) !important;
    transition: box-shadow 0.15s ease-in-out;
}

/* Print styles */
@media print {
    .navbar, .btn, .modal, footer {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .card-header {
        background: #f8f9fa !important;
        color: #000 !important;
    }
}