:root{--font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--line-height: 1.6;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--color-bg: #f8fafc;--color-surface: #ffffff;--color-border: #e5e7eb;--color-text: #0f172a;--color-text-muted: #6b7280;--color-accent: #2563eb;--color-accent-strong: #1d4ed8;--color-success: #16a34a;--color-danger: #dc2626;--color-card-shadow: 0 8px 24px rgba(15, 23, 42, .06)}[data-theme=dark]{--color-bg: #0b1220;--color-surface: #111827;--color-border: #1f2937;--color-text: #e5e7eb;--color-text-muted: #9ca3af;--color-accent: #60a5fa;--color-accent-strong: #3b82f6;--color-success: #22c55e;--color-danger: #ef4444;--color-card-shadow: 0 12px 32px rgba(0,0,0,.35)}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;width:100%;height:100%;background:var(--color-bg);color:var(--color-text);font-family:var(--font-family);line-height:var(--line-height)}a{color:var(--color-accent);text-decoration:none}a:hover{color:var(--color-accent-strong)}button{border-radius:var(--radius-md);border:1px solid var(--color-border);padding:10px 14px;font-size:14px;font-weight:600;font-family:inherit;background-color:var(--color-accent);color:#fff;cursor:pointer;transition:background .2s ease,transform .1s ease}button:hover{background-color:var(--color-accent-strong)}button:focus,button:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}button:active{transform:scale(.99)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--color-card-shadow)}@media(max-width:640px){body{font-size:15px}}