:root {
    --bg: #f5f3f0;
    --card: #ffffff;
    --ink: #1a1a1a;
    --muted: #666;
    --accent: #d97706;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --border: #e5e7eb;
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--ink);
    margin: 0;
    padding: 0;
}

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

header {
    text-align: center;
    margin-bottom: 40px;
}

header h1 {
    margin: 0 0 8px;
    font-size: 28px;
}

header p {
    margin: 0;
    color: var(--muted);
}

.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border);
    flex-wrap: wrap;
}

.tab {
    flex: 0 1 auto;
    padding: 12px 16px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-weight: 600;
    color: var(--muted);
    transition: all 0.3s;
}

.tab:hover {
    color: var(--accent);
}

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

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.kpi {
    text-align: center;
}

.kpi .label {
    display: block;
    color: var(--muted);
    font-size: 13px;
    margin-bottom: 8px;
}

.kpi strong {
    display: block;
    font-size: 24px;
    color: var(--accent);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.form-section {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

input, select, textarea, button {
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 14px;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.1);
}

button {
    background: var(--accent);
    color: white;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.3s;
}

button:hover {
    background: #b86f04;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.table th,
.table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.table th {
    background: #fafafa;
    font-weight: 600;
}

.market-grid,
.news-grid,
.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 20px;
}

.market-grid .card,
.news-grid .card,
.insights-grid .card {
    border-left: 4px solid var(--accent);
}

.alerts-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.alert {
    padding: 16px;
    border-left: 4px solid;
    border-radius: 8px;
    background: #f9fafb;
}

.alert.info {
    border-color: #3b82f6;
    background: #eff6ff;
}

.alert.warning {
    border-color: #f59e0b;
    background: #fffbeb;
}

.alert.danger {
    border-color: #ef4444;
    background: #fef2f2;
}

.alert strong {
    display: block;
    margin-bottom: 4px;
}

@media (max-width: 768px) {
    .tabs {
        gap: 4px;
    }
    
    .tab {
        padding: 8px 12px;
        font-size: 12px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}