:root {
    --bg-primary: #1e1e1e;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3a3a3a;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --border-color: #444;
    --accent: #42a5f5;
    --accent-hover: #1e88e5;
    --success: #4caf50;
    --warning: #ff9800;
    --danger: #f44336;
    --card-shadow: 0 2px 8px rgba(0,0,0,0.3);
    --radius: 8px;
}

[data-theme="light"] {
    --bg-primary: #f5f5f5;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e8e8e8;
    --text-primary: #212121;
    --text-secondary: #757575;
    --border-color: #ddd;
    --accent: #1976d2;
    --accent-hover: #1565c0;
    --card-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

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

body {
    font-family: system-ui, -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
}

/* Header */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--card-shadow);
}

.header h1 {
    font-size: 18px;
    font-weight: 600;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.status-badge.ok { background: rgba(76,175,80,0.15); color: var(--success); }
.status-badge.error { background: rgba(244,67,54,0.15); color: var(--danger); }
.status-badge .dot { width: 8px; height: 8px; border-radius: 50%; }
.status-badge.ok .dot { background: var(--success); }
.status-badge.error .dot { background: var(--danger); }

.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 6px 10px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 14px;
}

/* Layout */
.container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding: 20px;
    max-width: 1600px;
    margin: 0 auto;
}

@media (max-width: 1100px) {
    .container { grid-template-columns: 1fr; }
}

/* Cards */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
    overflow: hidden;
}

.card-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-body { padding: 16px; }

/* Form elements */
label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

input[type="text"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s;
}

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

textarea {
    font-family: 'Cascadia Code', 'Fira Code', 'JetBrains Mono', monospace;
    font-size: 13px;
    line-height: 1.6;
    resize: vertical;
}

.form-row {
    margin-bottom: 14px;
}

.form-row-inline {
    display: flex;
    gap: 12px;
    margin-bottom: 14px;
}

.form-row-inline > div { flex: 1; }

/* Toggle switch */
.toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.toggle-row:last-child { border-bottom: none; }

.toggle-label {
    font-size: 13px;
    color: var(--text-primary);
}

.toggle-label small {
    display: block;
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: normal;
}

.switch {
    position: relative;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.switch input { opacity: 0; width: 0; height: 0; }

.switch .slider {
    position: absolute;
    inset: 0;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: 0.2s;
}

.switch .slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 2px;
    top: 2px;
    background: var(--text-secondary);
    border-radius: 50%;
    transition: 0.2s;
}

.switch input:checked + .slider { background: var(--accent); border-color: var(--accent); }
.switch input:checked + .slider::before { transform: translateX(20px); background: #fff; }

/* Buttons */
.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:disabled { opacity: 0.5; cursor: wait; }

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover { background: var(--border-color); }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #d32f2f; }

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #388e3c; }

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-sm:disabled { opacity: 0.5; cursor: wait; }

.btn-group { display: flex; gap: 8px; margin-top: 12px; }

/* Model row with load/unload buttons */
.model-row {
    display: flex;
    gap: 6px;
    align-items: center;
}

.model-row select { flex: 1; }

.model-status {
    font-size: 11px;
    margin-top: 4px;
    min-height: 16px;
}

.model-status .loaded { color: var(--success); }
.model-status .available { color: var(--text-secondary); }
.model-status .loading { color: var(--warning); }

/* Chips (MCP integrations) */
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }

.chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    font-size: 12px;
    font-family: monospace;
}

.chip .remove {
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1;
}
.chip .remove:hover { color: var(--danger); }

.add-chip {
    display: flex;
    gap: 6px;
}

.add-chip input {
    flex: 1;
    font-size: 12px;
    font-family: monospace;
}

.add-chip .btn { padding: 6px 12px; }

/* Tabs */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 12px;
}

.tab {
    padding: 8px 16px;
    font-size: 13px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    transition: 0.2s;
}

.tab:hover { color: var(--text-primary); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* Result panels */
.result-panel {
    display: none;
    max-height: 400px;
    overflow: auto;
}

.result-panel.active { display: block; }

.result-html {
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    font-size: 14px;
    line-height: 1.6;
}

.result-html h2, .result-html h3 { margin: 12px 0 6px; }
.result-html p { margin: 6px 0; }
.result-html ul, .result-html ol { margin: 6px 0; padding-left: 20px; }
.result-html table { border-collapse: collapse; width: 100%; margin: 8px 0; }
.result-html th, .result-html td { border: 1px solid var(--border-color); padding: 6px 10px; text-align: left; }

.result-raw {
    padding: 12px;
    background: #1a1a2e;
    border-radius: 6px;
    font-family: monospace;
    font-size: 12px;
    white-space: pre-wrap;
    color: #a0d0a0;
}

/* Debug */
.debug-section {
    margin-top: 8px;
}

.debug-section summary {
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 6px 0;
}

.debug-json {
    max-height: 300px;
    overflow: auto;
    padding: 10px;
    background: #1a1a2e;
    border-radius: 6px;
    font-family: monospace;
    font-size: 11px;
    white-space: pre-wrap;
    color: #d0d0ff;
    margin-top: 4px;
}

/* Timer */
.timer {
    font-family: 'Cascadia Code', monospace;
    font-size: 24px;
    font-weight: 600;
    color: var(--accent);
    text-align: center;
    padding: 8px;
}

/* Info bar */
.info-bar {
    display: flex;
    gap: 16px;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.info-bar strong { color: var(--text-primary); }

/* Toast */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s;
    z-index: 1000;
}

.toast.visible { transform: translateY(0); opacity: 1; }
.toast.success { background: var(--success); color: #fff; }
.toast.error { background: var(--danger); color: #fff; }

/* Char counter */
.char-count {
    text-align: right;
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 4px;
}