:root {
    --text: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --bg: #ffffff;
    --bg-subtle: #f8fafc;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --accent: #0f172a;
    --accent-light: #f1f5f9;
    --radius: 10px;
    --radius-sm: 6px;
    --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --transition: 0.2s ease;
}

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

[hidden] { display: none !important; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
    font-family: inherit;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition);
    border: 1px solid transparent;
    text-decoration: none;
}

.btn-outline {
    background: var(--bg);
    color: var(--text);
    border-color: var(--border);
}

.btn-outline:hover {
    background: var(--bg-subtle);
    border-color: var(--text-muted);
}