/* QuantDinger-Lite Dashboard Styles */

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --border: #30363d;
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --accent: #58a6ff;
    --accent-hover: #79c0ff;
    --success: #3fb950;
    --danger: #f85149;
    --warning: #d29922;
    --font-mono: 'SFMono-Regular', 'Consolas', 'Monaco', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    text-align: center;
    padding: 30px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 30px;
}

header h1 {
    font-size: 2.2rem;
    color: var(--accent);
    margin-bottom: 8px;
}

header .subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Navigation */
.nav-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
}

.nav-tab {
    padding: 12px 20px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.9rem;
    white-space: nowrap;
    transition: all 0.2s;
    border-bottom: 2px solid transparent;
}

.nav-tab:hover {
    color: var(--text-primary);
}

.nav-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* Panels */
.panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Cards */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
}

.card h2 {
    font-size: 1.2rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.card h3 {
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
}

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

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

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

.btn-success {
    background: var(--success);
    border-color: var(--success);
    color: #fff;
}

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

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

/* Forms */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
}

textarea.form-control {
    font-family: var(--font-mono);
    min-height: 300px;
    resize: vertical;
    line-height: 1.5;
}

select.form-control {
    cursor: pointer;
}

/* Grid */
.grid {
    display: grid;
    gap: 20px;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 900px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* Strategy List */
.strategy-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.strategy-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: border-color 0.2s;
}

.strategy-item:hover {
    border-color: var(--accent);
}

.strategy-info h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.strategy-info p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.strategy-actions {
    display: flex;
    gap: 8px;
}

/* Metrics */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.metric-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    text-align: center;
}

.metric-value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent);
}

.metric-value.positive {
    color: var(--success);
}

.metric-value.negative {
    color: var(--danger);
}

.metric-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* AI Generator */
.ai-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.ai-input textarea {
    min-height: 120px;
}

.ai-output pre {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.6;
    max-height: 400px;
    overflow-y: auto;
}

/* Trade History */
.trade-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.trade-table th,
.trade-table td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.trade-table th {
    color: var(--text-secondary);
    font-weight: 500;
}

.trade-table tr:hover {
    background: var(--bg-tertiary);
}

/* Status */
.status {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-success {
    background: rgba(63, 185, 80, 0.15);
    color: var(--success);
}

.status-danger {
    background: rgba(248, 81, 73, 0.15);
    color: var(--danger);
}

.status-warning {
    background: rgba(210, 153, 34, 0.15);
    color: var(--warning);
}

/* Loading */
.loading {
    display: inline-block;
    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); }
}

/* Error / Info boxes */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.alert-error {
    background: rgba(248, 81, 73, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.alert-success {
    background: rgba(63, 185, 80, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-warning {
    background: rgba(210, 153, 34, 0.1);
    border: 1px solid var(--warning);
    color: var(--warning);
}

/* Footer */
footer {
    text-align: center;
    padding: 30px 0;
    border-top: 1px solid var(--border);
    margin-top: 40px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 12px;
    }
    
    header h1 {
        font-size: 1.6rem;
    }
    
    .ai-panel {
        grid-template-columns: 1fr;
    }
    
    .strategy-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .strategy-actions {
        width: 100%;
    }
}