/* Main Theme Colors */
:root {
    --primary-color: #4e73df;
    --secondary-color: #6c757d;
    --success-color: #1cc88a;
    --info-color: #36b9cc;
    --warning-color: #f6c23e;
    --danger-color: #e74a3b;
    --light-color: #f8f9fc;
    --dark-color: #5a5c69;
    --body-bg: #f8f9fc;
    --card-bg: #fff;
    --card-border: rgba(0, 0, 0, 0.125);
    --card-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    --input-bg: #fff;
    --input-border: #d1d3e2;
    --input-focus-border: #a9b3d2;
    --text-color: #3a3b45;
    --text-muted: #858796;
    --sidebar-bg: #f8f9fc;
}

/* Dark Mode Colors */
[data-theme="dark"] {
    --primary-color: #4e73df;
    --secondary-color: #6c757d;
    --success-color: #1cc88a;
    --info-color: #36b9cc;
    --warning-color: #f6c23e;
    --danger-color: #e74a3b;
    --light-color: #3a3b45;
    --dark-color: #f8f9fc;
    --body-bg: #1a1a2e;
    --card-bg: #222342;
    --card-border: rgba(255, 255, 255, 0.125);
    --card-shadow: 0 0.15rem 1.75rem 0 rgba(0, 0, 0, 0.4);
    --input-bg: #2e2e48;
    --input-border: #3d3d5c;
    --input-focus-border: #4e73df;
    --text-color: #e0e0e0;
    --text-muted: #b0b0b0;
    --sidebar-bg: #222342;
}

/* Base Styles */
body {
    background-color: var(--body-bg);
    color: var(--text-color);
    font-family: 'Nunito', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Navbar Styles */
.navbar {
    background-color: var(--card-bg);
    box-shadow: var(--card-shadow);
    border-bottom: 1px solid var(--card-border);
}

.navbar-brand {
    font-weight: 700;
    color: var(--primary-color);
}

.navbar-dark .navbar-brand {
    color: #fff;
}

/* Sidebar Styles */
.sidebar {
    background-color: var(--sidebar-bg);
    box-shadow: var(--card-shadow);
    border-right: 1px solid var(--card-border);
    height: calc(100vh - 56px);
    position: sticky;
    top: 56px;
    padding-top: 1rem;
    overflow-y: auto;
}

.sidebar-heading {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05rem;
}

.sidebar .nav-link {
    color: var(--text-color);
    font-weight: 400;
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    margin: 0.1rem 0;
}

.sidebar .nav-link:hover {
    background-color: rgba(78, 115, 223, 0.1);
    color: var(--primary-color);
}

.sidebar .nav-link.active {
    color: var(--primary-color);
    background-color: rgba(78, 115, 223, 0.15);
    font-weight: 600;
}

/* Card Styles */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 0.5rem;
    box-shadow: var(--card-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.25rem 2rem 0 rgba(58, 59, 69, 0.2);
}

/* Button Styles */
.btn {
    border-radius: 0.35rem;
    font-weight: 500;
    padding: 0.375rem 1rem;
}

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

.btn-primary:hover {
    background-color: #2e59d9;
    border-color: #2653d4;
}

/* Form Controls */
.form-control {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--text-color);
}

.form-control:focus {
    background-color: var(--input-bg);
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 0.25rem rgba(78, 115, 223, 0.25);
    color: var(--text-color);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #224abe 100%);
    color: white;
    border-radius: 0.5rem;
    box-shadow: var(--card-shadow);
}

/* Code Block Styles */
.code-container {
    position: relative;
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 0.5rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.code-container pre {
    margin-bottom: 0;
    max-height: 400px;
    overflow-y: auto;
}

.code-container input.blank {
    font-family: monospace;
    background-color: rgba(78, 115, 223, 0.1);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 4px;
    padding: 2px 4px;
    margin: 0 2px;
    vertical-align: middle;
    font-size: inherit;
}

.code-container input.blank.correct {
    background-color: rgba(28, 200, 138, 0.1);
    border-color: var(--success-color);
    color: var(--success-color);
}

.code-container input.blank.incorrect {
    background-color: rgba(231, 74, 59, 0.1);
    border-color: var(--danger-color);
    color: var(--danger-color);
}

/* Admin Specific Styles */
#adminDashboard .sidebar {
    background-color: #4e73df;
    color: white;
}

#adminDashboard .sidebar .nav-link {
    color: rgba(255, 255, 255, 0.8);
}

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

#adminDashboard .sidebar-heading {
    color: rgba(255, 255, 255, 0.4);
}

/* Progress Bar */
.progress-bar {
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

/* Drag and Drop Quiz Sorting */
.sortable-quiz-list {
    margin-bottom: 1rem;
}

.quiz-item {
    cursor: move;
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    margin-bottom: 0.25rem;
    border-radius: 0.35rem;
    padding: 0.5rem 0.75rem;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.quiz-item:hover {
    background-color: rgba(78, 115, 223, 0.05);
    border-color: rgba(78, 115, 223, 0.2);
}

.quiz-item.dragging {
    opacity: 0.7;
    transform: rotate(1deg);
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 0.5rem 1rem rgba(78, 115, 223, 0.3);
    border-color: var(--primary-color);
}

.quiz-item.dragging .quiz-link,
.quiz-item.dragging .drag-handle {
    color: white !important;
}

.quiz-item.drag-over {
    border-color: var(--success-color);
    background-color: rgba(28, 200, 138, 0.1);
    border-style: dashed;
}



.drag-handle {
    cursor: grab;
    color: var(--text-muted);
    padding: 0 0.5rem;
    display: flex;
    align-items: center;
    transition: all 0.2s ease;
}

.drag-handle:hover {
    color: var(--primary-color);
    background-color: rgba(78, 115, 223, 0.1);
    border-radius: 0.25rem;
}

.drag-handle:active {
    cursor: grabbing;
}

.quiz-item.dragging .drag-handle {
    cursor: grabbing;
}

.quiz-link {
    text-decoration: none;
    color: var(--text-color);
    transition: color 0.2s ease;
}

.quiz-link:hover {
    color: var(--primary-color);
}

.order-saved-message {
    animation: fadeInOut 3s ease;
}

@keyframes fadeInOut {
    0% { opacity: 0; transform: translateY(-10px); }
    10% { opacity: 1; transform: translateY(0); }
    90% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(-10px); }
}




/* Drag and Drop Styles for Questions */
.question-item {
    transition: background-color 0.3s ease, border 0.3s ease, transform 0.2s ease;
    cursor: move;
    border: 2px solid transparent;
}

.question-item:hover {
    background-color: rgba(78, 115, 223, 0.05);
    border-color: rgba(78, 115, 223, 0.2);
}

.question-item.dragging {
    opacity: 0.6;
    transform: rotate(2deg);
    background-color: rgba(78, 115, 223, 0.1);
    border-color: var(--primary-color);
    box-shadow: 0 0.5rem 1rem rgba(78, 115, 223, 0.3);
}

.question-item.drag-over {
    border-color: var(--success-color);
    background-color: rgba(28, 200, 138, 0.1);
    border-style: dashed;
}

.drag-handle {
    cursor: grab;
    display: flex;
    align-items: center;
    padding: 0.25rem;
    border-radius: 0.25rem;
    transition: all 0.2s ease;
}

.drag-handle:hover {
    background-color: rgba(78, 115, 223, 0.1);
    color: var(--primary-color);
}

.drag-handle:active {
    cursor: grabbing;
}

.question-item.dragging .drag-handle {
    cursor: grabbing;
}

.questions-list-container {
    position: relative;
}

.drop-indicator {
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
    margin: 0.25rem 0;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.drop-indicator.show {
    opacity: 1;
}

.question-actions {
    opacity: 1;
    transition: opacity 0.2s ease;
}

.question-item.dragging .question-actions {
    opacity: 0;
}

/* Dark mode adjustments for drag and drop */
[data-theme="dark"] .question-item:hover {
    background-color: rgba(78, 115, 223, 0.1);
}

[data-theme="dark"] .question-item.dragging {
    background-color: rgba(78, 115, 223, 0.15);
}

[data-theme="dark"] .question-item.drag-over {
    background-color: rgba(28, 200, 138, 0.15);
}

[data-theme="dark"] .drag-handle:hover {
    background-color: rgba(78, 115, 223, 0.15);
}

/* Dark mode adjustments for sidebar drag and drop */
[data-theme="dark"] .quiz-item:hover {
    background-color: rgba(78, 115, 223, 0.1);
}

[data-theme="dark"] .quiz-item.dragging {
    background-color: var(--primary-color);
    color: white;
}

[data-theme="dark"] .quiz-item.drag-over {
    background-color: rgba(28, 200, 138, 0.15);
}

[data-theme="dark"] .drag-handle:hover {
    background-color: rgba(78, 115, 223, 0.15);
}

/* Bookmark Styles */
.bookmark-checkbox {
    transform: scale(1.1);
}

.bookmark-checkbox:checked {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
}

.form-check-label {
    color: var(--text-muted);
    transition: color 0.2s ease;
}

.form-check-label:hover {
    color: var(--warning-color);
}

.bookmark-checkbox:checked + .form-check-label {
    color: var(--warning-color);
    font-weight: 500;
}

/* Bookmarked card styles */
.card.bookmarked {
    border: 2px solid var(--warning-color);
    box-shadow: 0 0.125rem 0.25rem rgba(246, 194, 62, 0.3), 
                var(--card-shadow);
    position: relative;
}

.card.bookmarked::before {
    content: "★";
    position: absolute;
    top: -8px;
    right: 10px;
    background-color: var(--warning-color);
    color: white;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    z-index: 10;
}

.card.bookmarked .card-header {
    background-color: rgba(246, 194, 62, 0.1) !important;
}

/* Dark mode bookmark adjustments */
[data-theme="dark"] .card.bookmarked {
    border-color: var(--warning-color);
    box-shadow: 0 0.125rem 0.25rem rgba(246, 194, 62, 0.4), 
                var(--card-shadow);
}

[data-theme="dark"] .card.bookmarked .card-header {
    background-color: rgba(246, 194, 62, 0.15) !important;
}

/* Responsive adjustments for bookmarks */
@media (max-width: 767.98px) {
    .card.bookmarked::before {
        top: -6px;
        right: 8px;
        width: 18px;
        height: 18px;
        font-size: 10px;
    }
}

/* Active bookmark button styles */
.btn-outline-warning.active {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
    color: white;
}

.btn-outline-secondary.active {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
}

/* Filter indicator styles */
.alert-info {
    background-color: rgba(54, 185, 204, 0.1);
    border-color: var(--info-color);
    color: var(--info-color);
}

[data-theme="dark"] .alert-info {
    background-color: rgba(54, 185, 204, 0.2);
    border-color: var(--info-color);
    color: #8ec8d3;
}

/* Responsive Adjustments */
@media (max-width: 767.98px) {
    .sidebar {
        height: auto;
        position: static;
    }
    

    
    .question-item {
        flex-direction: column;
    }
    
    .question-actions {
        margin-top: 0.5rem;
    }
}

/* Individual Export Button Styles */
.individual-export-btn {
    font-size: 11px !important;
    padding: 3px 6px !important;
    border-radius: 4px !important;
    transition: all 0.2s ease !important;
    white-space: nowrap !important;
    border: 1px solid #007bff !important;
    background-color: transparent !important;
    color: #007bff !important;
}

.individual-export-btn:hover {
    background-color: #007bff !important;
    color: white !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 2px 4px rgba(0, 123, 255, 0.3) !important;
}

.individual-export-btn:active {
    transform: translateY(0) !important;
}

.individual-export-btn i {
    font-size: 10px !important;
    margin-right: 2px !important;
}

/* Database Controls Enhancement */
#databaseControls .card-header {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%) !important;
    border-bottom: none !important;
}

#databaseControls .btn-outline-danger:hover {
    background-color: #dc3545 !important;
    border-color: #dc3545 !important;
    color: white !important;
    transform: translateY(-1px) !important;
}

#databaseControls .btn:hover {
    transform: translateY(-1px) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15) !important;
}

/* Table row enhancement for export buttons */
.table td .d-flex {
    flex-wrap: wrap !important;
    gap: 0.25rem !important;
}

/* Dark theme support for individual export buttons */
[data-theme="dark"] .individual-export-btn {
    border-color: #6ea8fe !important;
    color: #6ea8fe !important;
}

[data-theme="dark"] .individual-export-btn:hover {
    background-color: #6ea8fe !important;
    color: #000 !important;
}

/* Export checkboxes in table */
.export-checkbox {
    transform: scale(1.2) !important;
    margin: 0 !important;
    cursor: pointer !important;
}

.export-checkbox:checked {
    background-color: #007bff !important;
    border-color: #007bff !important;
}

.table .form-check {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* Position individual export button nicely in table */
.table .individual-export-btn {
    margin-left: 0.25rem !important;
    font-size: 10px !important;
    padding: 2px 5px !important;
}

/* Success animation for export */
.individual-export-btn.success {
    background-color: #28a745 !important;
    border-color: #28a745 !important;
    color: white !important;
    animation: successPulse 0.6s ease-in-out !important;
}

@keyframes successPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Export helpers buttons */
.export-helpers .btn {
    font-size: 12px !important;
    padding: 4px 8px !important;
}

.export-helpers .btn:hover {
    transform: translateY(-1px) !important;
}

/* Selected row highlight */
.table tr.export-selected {
    background-color: rgba(0, 123, 255, 0.1) !important;
}

[data-theme="dark"] .table tr.export-selected {
    background-color: rgba(110, 168, 254, 0.2) !important;
}

/* Export Selected button enhancement */
#exportSelectedBtn:hover {
    background-color: #007bff !important;
    color: white !important;
    border-color: #007bff !important;
}

/* Export Sequential button enhancement */
#exportSelectedSequentialBtn {
    position: relative !important;
    overflow: hidden !important;
}

#exportSelectedSequentialBtn:hover {
    background-color: #17a2b8 !important;
    color: white !important;
    border-color: #17a2b8 !important;
}

#exportSelectedSequentialBtn:disabled {
    opacity: 0.8 !important;
}

/* Sequential export progress animation */
#exportSelectedSequentialBtn.processing {
    background: linear-gradient(45deg, #17a2b8, #20c997, #17a2b8) !important;
    background-size: 200% 200% !important;
    animation: sequentialProgress 2s ease-in-out infinite !important;
    color: white !important;
}

@keyframes sequentialProgress {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Row processing states for sequential export */
.table tr.processing {
    background-color: rgba(23, 162, 184, 0.1) !important;
    border-left: 3px solid #17a2b8 !important;
}

.table tr.export-success {
    background-color: rgba(40, 167, 69, 0.1) !important;
    border-left: 3px solid #28a745 !important;
}

.table tr.export-failed {
    background-color: rgba(220, 53, 69, 0.1) !important;
    border-left: 3px solid #dc3545 !important;
}

[data-theme="dark"] .table tr.processing {
    background-color: rgba(23, 162, 184, 0.2) !important;
}

[data-theme="dark"] .table tr.export-success {
    background-color: rgba(40, 167, 69, 0.2) !important;
}

[data-theme="dark"] .table tr.export-failed {
    background-color: rgba(220, 53, 69, 0.2) !important;
}

/* Dark theme checkbox support */
[data-theme="dark"] .export-checkbox {
    filter: brightness(0.8) !important;
}

[data-theme="dark"] .export-checkbox:checked {
    background-color: #6ea8fe !important;
    border-color: #6ea8fe !important;
}

/* Export button in admin table */
.export-single-btn {
    transition: all 0.2s ease !important;
}

.export-single-btn:hover {
    transform: translateY(-1px) !important;
    box-shadow: 0 2px 4px rgba(0, 123, 255, 0.3) !important;
}

.export-single-btn.success {
    background-color: #28a745 !important;
    border-color: #28a745 !important;
    color: white !important;
    animation: successPulse 0.6s ease-in-out !important;
}

/* Ensure table buttons wrap nicely */
.table .d-flex.align-items-center {
    flex-wrap: nowrap !important;
    min-width: fit-content !important;
}

/* Dark theme support for table export button */
[data-theme="dark"] .export-single-btn {
    border-color: #6ea8fe !important;
    color: #6ea8fe !important;
}

[data-theme="dark"] .export-single-btn:hover {
    background-color: #6ea8fe !important;
    color: #000 !important;
}