/* Custom CSS for Gemini Q&A Extractor */

:root {
    /* Bootstrap compatible color scheme */
    --primary-color: #0d6efd;
    --success-color: #198754;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #0dcaf0;
    --border-radius: 0.375rem;

    /* Light theme variables (Bootstrap compatible) */
    --bs-body-bg: #ffffff;
    --bs-body-color: #212529;
    --bs-secondary-bg: #f8f9fa;
    --bs-tertiary-bg: #f8f9fa;
    --bs-border-color: #dee2e6;
    --bs-secondary-color: #6c757d;

    /* Custom application variables */
    --app-card-bg: var(--bs-body-bg);
    --app-navbar-bg: var(--primary-color);
    --app-navbar-text: #ffffff;
    --app-table-hover: rgba(13, 110, 253, 0.05);
    --app-scrollbar-track: #f1f1f1;
    --app-scrollbar-thumb: #c1c1c1;
    --app-scrollbar-thumb-hover: #a1a1a1;
    --app-question-hover: rgba(13, 110, 253, 0.02);
    --app-processing-bg: rgba(13, 110, 253, 0.05);
    --app-progress-bg: #e9ecef;
}

/* Dark theme variables (Bootstrap 5.3+ compatible) */
[data-bs-theme="dark"] {
    /* Bootstrap dark theme colors */
    --bs-body-bg: #212529;
    --bs-body-color: #dee2e6;
    --bs-secondary-bg: #343a40;
    --bs-tertiary-bg: #2c3034;
    --bs-border-color: #495057;
    --bs-secondary-color: #adb5bd;

    /* Custom dark theme colors */
    --app-card-bg: var(--bs-secondary-bg);
    --app-navbar-bg: #1a1e21;
    --app-navbar-text: #ffffff;
    --app-table-hover: rgba(255, 255, 255, 0.05);
    --app-scrollbar-track: #495057;
    --app-scrollbar-thumb: #6c757d;
    --app-scrollbar-thumb-hover: #adb5bd;
    --app-question-hover: rgba(255, 255, 255, 0.02);
    --app-processing-bg: rgba(13, 110, 253, 0.15);
    --app-progress-bg: #495057;

    /* Override Bootstrap table header colors for dark mode */
    --bs-table-bg: transparent;
    --bs-table-color: var(--bs-body-color);
}

/* Main layout */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bs-secondary-bg);
    color: var(--bs-body-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

main {
    min-height: calc(100vh - 200px);
}

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

/* Cards */
.card {
    background-color: var(--app-card-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: var(--border-radius);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

[data-bs-theme="light"] .card {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

[data-bs-theme="dark"] .card {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.3);
}

.project-card {
    transition: transform 0.2s, box-shadow 0.2s;
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* Statistics */
.stat-card {
    text-align: center;
    padding: 0.5rem;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--bs-secondary-color);
    text-transform: uppercase;
    font-weight: 500;
}

/* Card footer info */
.card-footer-info {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--bs-border-color);
}

/* Empty states */
.empty-state {
    padding: 3rem 1rem;
}

.empty-state i {
    opacity: 0.5;
}

/* Status badges */
.status-badge {
    font-size: 0.75rem;
    font-weight: 500;
}

/* Progress bars */
.progress {
    height: 0.5rem;
    background-color: var(--app-progress-bg);
}

.progress-bar-striped {
    background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
    background-size: 1rem 1rem;
}

/* Animations */
.spin {
    animation: spin 2s linear infinite;
}

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

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* File upload */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* Tables */
.table th {
    font-weight: 600;
    border-bottom: 2px solid var(--bs-border-color);
    color: var(--bs-body-color);
}

.table-hover tbody tr:hover {
    background-color: var(--app-table-hover);
}

/* Dark mode table improvements */
[data-bs-theme="dark"] .table th {
    color: var(--bs-body-color);
    border-bottom-color: var(--bs-border-color);
}

[data-bs-theme="dark"] .table-light {
    --bs-table-bg: var(--bs-secondary-bg);
    --bs-table-color: var(--bs-body-color);
}

/* Buttons */
.btn {
    font-weight: 500;
    border-radius: var(--border-radius);
}

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

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
}

/* Processing status */
#processingStatus {
    border-left: 4px solid var(--primary-color);
}

#processingStatus .card-header {
    background-color: var(--app-processing-bg);
}

/* Toast notifications */
.toast {
    background-color: var(--app-card-bg);
    border: 1px solid var(--bs-border-color);
    color: var(--bs-body-color);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .stat-card {
        margin-bottom: 1rem;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn-group {
        flex-direction: column;
    }
    
    .btn-group .btn {
        margin-bottom: 0.5rem;
    }
}

/* Loading states */
.loading {
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Tooltips */
.tooltip {
    font-size: 0.75rem;
}

/* Form validation */
.is-invalid {
    border-color: var(--danger-color);
}

.invalid-feedback {
    display: block;
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Success states */
.is-valid {
    border-color: var(--success-color);
}

.valid-feedback {
    display: block;
    color: var(--success-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

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

::-webkit-scrollbar-track {
    background: var(--app-scrollbar-track);
    border-radius: 4px;
}

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

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

/* Questions view */
.question-item {
    transition: background-color 0.2s;
}

.question-item:hover {
    background-color: var(--app-question-hover);
}

.question-text, .answer-text {
    line-height: 1.6;
    white-space: pre-line;
}

.border-start.border-primary {
    border-left-width: 3px !important;
}

.border-start.border-success {
    border-left-width: 3px !important;
}

.question-item .badge {
    font-size: 0.75rem;
}

.question-item h6 {
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.question-item p {
    margin-bottom: 0;
}

/* Filter section */
.card-header h6 {
    font-weight: 600;
}

/* Stats section */
.text-center h4 {
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.text-center small {
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Dark Mode Toggle */
.theme-toggle {
    border: none;
    background: none;
    color: var(--app-navbar-text);
    padding: 0.5rem;
    border-radius: var(--border-radius);
    transition: background-color 0.2s ease;
}

.theme-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--app-navbar-text);
}

.theme-toggle:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
}

/* Dark mode specific overrides */
[data-bs-theme="dark"] {
    /* Navbar adjustments */
    .navbar-dark {
        background-color: var(--app-navbar-bg) !important;
    }

    /* Footer adjustments */
    .bg-light {
        background-color: var(--bs-secondary-bg) !important;
        color: var(--bs-body-color) !important;
    }

    /* Form controls */
    .form-control,
    .form-select {
        background-color: var(--bs-tertiary-bg);
        border-color: var(--bs-border-color);
        color: var(--bs-body-color);
    }

    .form-control:focus,
    .form-select:focus {
        background-color: var(--bs-tertiary-bg);
        border-color: var(--primary-color);
        color: var(--bs-body-color);
        box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
    }

    /* Alerts */
    .alert {
        border-color: var(--bs-border-color);
    }

    /* Tooltips */
    .tooltip .tooltip-inner {
        background-color: var(--bs-secondary-bg);
        color: var(--bs-body-color);
        border: 1px solid var(--bs-border-color);
    }

    .tooltip .tooltip-arrow::before {
        border-top-color: var(--bs-border-color);
    }

    /* Dropdowns */
    .dropdown-menu {
        background-color: var(--app-card-bg);
        border-color: var(--bs-border-color);
    }

    .dropdown-item {
        color: var(--bs-body-color);
    }

    .dropdown-item:hover,
    .dropdown-item:focus {
        background-color: var(--app-table-hover);
        color: var(--bs-body-color);
    }

    /* Modal improvements */
    .modal-content {
        background-color: var(--app-card-bg);
        border-color: var(--bs-border-color);
    }

    .modal-header {
        border-bottom-color: var(--bs-border-color);
    }

    .modal-footer {
        border-top-color: var(--bs-border-color);
    }
}

/* Partial results items */
.partial-result-item {
    background-color: var(--bs-secondary-bg);
    border-color: var(--bs-border-color) !important;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.partial-result-item:hover {
    background-color: var(--app-question-hover);
}

/* Smooth theme transitions */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Disable transitions for elements that shouldn't have them */
.progress-bar,
.spinner-border,
.spin {
    transition: none;
}