:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-tertiary: #e8e8e8;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --accent: #1e90ff;
    --accent-hover: #1a7fd4;
    --success: #28a745;
    --border: #dddddd;
    --shadow: rgba(0, 0, 0, 0.1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1a1a1a;
        --bg-secondary: #252525;
        --bg-tertiary: #333333;
        --text-primary: #f0f0f0;
        --text-secondary: #aaaaaa;
        --border: #444444;
        --shadow: rgba(0, 0, 0, 0.3);
    }
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

header h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-secondary);
}

.status-dot.active {
    background: var(--success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@media (max-width: 900px) {
    .main-grid {
        grid-template-columns: 1fr;
    }
}

.panel {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 20px;
}

.panel h2 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Controls */
.control-group {
    margin-bottom: 20px;
}

.control-group:last-child {
    margin-bottom: 0;
}

.control-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

select,
input:not([type="range"]):not([type="checkbox"]):not([type="radio"]) {
    width: 100%;
    padding: 10px 12px;
    font-size: 0.875rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
}

select:focus,
input:focus {
    outline: none;
    border-color: var(--accent);
}

/* Slider */
.slider-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

input[type="range"] {
    flex: 1;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    appearance: none;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.slider-value {
    min-width: 40px;
    text-align: right;
    font-weight: 600;
    color: var(--accent);
}

/* Map Checkboxes */
.map-section {
    margin-bottom: 16px;
}

.map-section:last-child {
    margin-bottom: 0;
}

.map-section h3 {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.map-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 8px;
}

.map-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    background: var(--bg-primary);
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.15s;
}

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

.map-checkbox input {
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
    cursor: pointer;
}

.map-checkbox span {
    font-size: 0.8125rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Buttons */
.button-group {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

button {
    flex: 1;
    padding: 12px 20px;
    font-size: 0.875rem;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s, transform 0.1s;
}

button:active {
    transform: scale(0.98);
}

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

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

.btn-primary:disabled {
    background: var(--text-secondary);
    cursor: not-allowed;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

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

/* Results */
.results-panel {
    max-height: 500px;
    overflow-y: auto;
}

.results-list {
    list-style: none;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 12px;
    background: var(--bg-primary);
    border-radius: 6px;
    margin-bottom: 8px;
}

.result-item:last-child {
    margin-bottom: 0;
}

.result-info {
    flex: 1;
    min-width: 0;
}

.result-server {
    font-weight: 600;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.result-server a {
    color: var(--accent);
    text-decoration: none;
}

.result-server a:hover {
    text-decoration: underline;
}

.result-details {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.result-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
    margin-left: 12px;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.empty-state p {
    font-size: 0.875rem;
}

/* Loading */
.loading {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 20px;
    color: var(--text-secondary);
}

.loading.visible {
    display: flex;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.quick-actions button {
    flex: none;
    padding: 6px 12px;
    font-size: 0.75rem;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.quick-actions button:hover {
    color: var(--text-primary);
}