/**
 * Styles for the CodeRunner question browser page (questionbrowser.php).
 *
 * @package   qtype_coderunner
 * @copyright 2025 Richard Lobb, The University of Canterbury
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

/* Reduce excessive white space */
#page-header, .page-header-headings {
    margin-top: 0;
    padding-top: 0.5rem;
}

/* Highlight active buttons when panels are open */
.qbrowser-btn-active {
    background-color: #0066cc !important;
    border-color: #0066cc !important;
    color: white !important;
}

/* Minimal custom styles to work with Moodle theme */
.qbrowser-filters .form-group {
    margin-bottom: 1rem;
}

.qbrowser-grid2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.qbrowser-list {
    max-height: 75vh;
    overflow-y: auto;
}

.qbrowser-list table {
    margin-bottom: 0;
}

.qbrowser-detail {
    margin: 0.5rem 0;
    padding: 1rem;
    border-left: 4px solid #dee2e6;
    background-color: var(--bs-light, #f8f9fa);
}

.qbrowser-detail.code-content {
    white-space: pre-wrap;
    font-family: monospace;
    font-size: 0.875rem;
}

.qbrowser-detail.html-content {
    font-family: inherit;
}

.qbrowser-controls .btn {
    margin-right: 0.25rem;
    margin-bottom: 0.25rem;
}

/* Advanced filter styles */
.advanced-section {
    margin-top: 1rem;
    border-top: 2px solid #dee2e6;
    padding-top: 1rem;
}

.advanced-toggle {
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #0066cc;
    font-weight: 500;
}

.advanced-toggle:hover {
    color: #0052a3;
}

.advanced-toggle-icon {
    transition: transform 0.2s;
    display: inline-block;
}

.advanced-toggle-icon.expanded {
    transform: rotate(90deg);
}

.advanced-content {
    display: none;
    margin-top: 1rem;
}

.advanced-content.show {
    display: block;
}

.filter-rule {
    display: grid;
    grid-template-columns: 2fr 1.5fr 2fr auto;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 0.5rem;
    padding: 0.5rem;
    background-color: #f8f9fa;
    border-radius: 0.25rem;
}

.filter-rule select,
.filter-rule input {
    font-size: 0.875rem;
}

.filter-connector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0.25rem 0;
    padding-left: 0.5rem;
}

.filter-connector-select {
    width: auto;
    font-size: 0.75rem;
    padding: 0.125rem 0.5rem;
    font-weight: 600;
}

.filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.75rem;
    background-color: #e3f2fd;
    border: 1px solid #90caf9;
    border-radius: 1rem;
    font-size: 0.875rem;
    color: #1976d2;
}

.filter-chip-remove {
    cursor: pointer;
    font-weight: bold;
    color: #1976d2;
    border: none;
    background: none;
    padding: 0;
    font-size: 1rem;
    line-height: 1;
}

.filter-chip-remove:hover {
    color: #d32f2f;
}

@media (min-width: 992px) {
    .qbrowser-main {
        display: grid;
        grid-template-columns: 350px 1fr;
        gap: 1.5rem;
        position: relative;
    }

    .qbrowser-main-resizer {
        position: absolute;
        left: calc(350px + 0.75rem);
        top: 0;
        bottom: 0;
        width: 8px;
        margin-left: -4px;
        cursor: col-resize;
        z-index: 10;
        background-color: #dee2e6;
        border-radius: 4px;
        transition: background-color 0.2s;
    }

    .qbrowser-main-resizer:hover {
        background-color: #0066cc;
    }

    .qbrowser-main-resizer::before {
        content: '⋮';
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        color: white;
        font-size: 16px;
        line-height: 1;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    }
}

/* Resizable table columns */
.qbrowser-list table th {
    position: relative;
    overflow: visible;
}

.column-resizer {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 10px;
    cursor: col-resize;
    user-select: none;
    z-index: 10;
}

.column-resizer:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.column-resizer::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 60%;
    background-color: rgba(255, 255, 255, 0.5);
}

.resizing {
    cursor: col-resize !important;
    user-select: none !important;
}

.resizing * {
    cursor: col-resize !important;
    user-select: none !important;
}

/* Index page: context list */
.questionbrowser.coderunner.context {
    margin-bottom: 8px;
    padding: 8px;
    border-left: 3px solid #007cba;
    background-color: #f9f9f9;
    list-style-type: none;
}
.questionbrowser.coderunner.context.quiz {
    border-left-color: #28a745;
}
.questionbrowser.coderunner.context:hover {
    background-color: #e9f4ff;
}
.qbrowser-browse-link {
    background-color: #ffffd0;
    padding: 2px 6px;
    border: 2px solid #ccc;
    text-decoration: none;
    cursor: pointer;
}