/**
 * Filtering Tool Styles
 * Clean dark blue theme
 */

/* Main Container */
.filtering-container {
    padding: 20px;
    max-width: 100%;
    overflow-y: auto;
    max-height: calc(100vh - 200px);
}

/* Header Section */
.filtering-header {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.filter-stats {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9em;
}

.stat-value {
    color: var(--accent-primary);
    font-size: 1.8em;
    font-weight: bold;
}

.stat-unit {
    color: var(--text-muted);
    font-size: 0.9em;
}

.filter-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.action-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
}

.action-btn.primary {
    background: var(--accent-primary);
    color: var(--on-accent);
}

.action-btn.primary:hover {
    background: var(--accent-secondary);
    transform: translateY(-2px);
}

.action-btn.secondary {
    background: var(--border-accent);
    color: #ffffff;
    border: 1px solid var(--border-accent);
}

.action-btn.secondary:hover {
    background: var(--accent-secondary);
}

.action-btn.success {
    background: var(--success);
    color: var(--on-success);
}

.action-btn.success:hover {
    background: var(--success);
    transform: translateY(-2px);
}

/* Active Filters Summary */
.active-filters {
    background: var(--bg-card);
    border: 1px solid var(--accent-primary);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
}

.active-filters h4 {
    color: var(--accent-primary);
    margin: 0 0 10px 0;
    font-size: 1em;
}

.filter-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-tag {
    background: var(--bg-card);
    color: var(--accent-primary);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85em;
    border: 1px solid var(--border-accent);
}

/* Filter Panels */
.filter-panels {
    display: grid;
    gap: 15px;
}

.filter-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s;
}

.filter-panel:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.filter-panel-header {
    padding: 15px 20px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.filter-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    color: var(--text-primary);
    font-weight: 500;
    user-select: none;
}

.filter-toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent-primary);
}

.filter-toggle span {
    font-size: 1.1em;
}

.filter-panel-content {
    padding: 20px;
}

/* Filter Rows */
.filter-row {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 15px;
}

.filter-row label {
    color: var(--text-primary);
    font-size: 0.95em;
    font-weight: 500;
}

.filter-input,
.filter-select {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px;
    color: var(--text-primary);
    font-size: 0.95em;
}

.filter-input:focus,
.filter-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.2);
}

.filter-info {
    color: var(--text-muted);
    font-size: 0.85em;
    font-style: italic;
}

/* Activity Lists */
.activity-list {
    max-height: 250px;
    overflow-y: auto;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-primary);
    transition: background 0.2s;
}

.checkbox-item:hover {
    background: var(--bg-tertiary);
}

.checkbox-item input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--accent-primary);
}

.checkbox-item span {
    flex: 1;
    font-size: 0.9em;
}

/* Variant List */
.variant-list {
    max-height: 300px;
    overflow-y: auto;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px;
}

.variant-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
    border-bottom: 1px solid var(--border-color);
}

.variant-item:last-child {
    border-bottom: none;
}

.variant-item:hover {
    background: var(--bg-tertiary);
}

.variant-signature {
    flex: 1;
    color: var(--text-primary);
    font-size: 0.85em;
    font-family: monospace;
}

.variant-count {
    color: var(--accent-primary);
    font-size: 0.85em;
    font-weight: bold;
    padding: 3px 8px;
    background: var(--bg-card);
    border-radius: 12px;
}

/* Scrollbar Styling */
.activity-list::-webkit-scrollbar,
.variant-list::-webkit-scrollbar,
.filtering-container::-webkit-scrollbar {
    width: 8px;
}

.activity-list::-webkit-scrollbar-track,
.variant-list::-webkit-scrollbar-track,
.filtering-container::-webkit-scrollbar-track {
    background: var(--bg-primary);
    border-radius: 4px;
}

.activity-list::-webkit-scrollbar-thumb,
.variant-list::-webkit-scrollbar-thumb,
.filtering-container::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.activity-list::-webkit-scrollbar-thumb:hover,
.variant-list::-webkit-scrollbar-thumb:hover,
.filtering-container::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* Loading Overlay */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-overlay p {
    color: var(--text-primary);
    margin-top: 20px;
    font-size: 1.1em;
}

/* Placeholder Content */
.filtering-features {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    margin-top: 20px;
}

.filtering-features h4 {
    color: var(--text-primary);
    margin-top: 0;
}

.filtering-features ul {
    color: var(--text-primary);
    line-height: 1.8;
}

.filtering-features li strong {
    color: var(--accent-primary);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .filtering-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .filter-stats {
        width: 100%;
    }

    .filter-actions {
        width: 100%;
    }

    .action-btn {
        flex: 1;
    }
}

@media (max-width: 768px) {
    .filtering-container {
        padding: 10px;
    }

    .filtering-header {
        padding: 15px;
    }

    .filter-stats {
        flex-direction: column;
        gap: 15px;
    }

    .filter-panel-content {
        padding: 15px;
    }

    .stat-value {
        font-size: 1.5em;
    }

    .action-btn {
        width: 100%;
    }
}

/* Settings Panel Styling */
.settings-btn {
    background: var(--accent-primary);
    color: var(--on-accent);
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 5px;
}

.settings-btn:hover {
    background: var(--accent-secondary);
    transform: translateY(-2px);
}

.setting-item {
    margin-bottom: 20px;
}

.setting-item label {
    color: var(--text-primary);
    font-weight: 500;
    display: block;
    margin-bottom: 8px;
}

.setting-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-primary);
    margin-right: 8px;
}

.setting-item small {
    display: block;
    color: var(--text-muted);
    font-size: 0.85em;
    margin-top: 5px;
}