:root{color-scheme:light;--bg: #f3f4f8;--bg-elevated: #ffffff;--bg-muted: #f8fafc;--bg-card: #ffffff;--bg-input: #ffffff;--border: #e2e8f0;--border-strong: #d5dae5;--text: #0f172a;--text-secondary: #334155;--text-muted: #64748b;--text-faint: #94a3b8;--accent: #2f88ff;--accent-hover: #1d6fe0;--accent-soft: rgba(47, 136, 255, .12);--danger: #dc2626;--success: #16a34a}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}button,input,textarea{font:inherit}input,textarea{color:var(--text);background:var(--bg-input);border:1px solid var(--border-strong)}input::placeholder,textarea::placeholder{color:var(--text-faint)}