:root{--bg: #f6f7f9;--card: #ffffff;--border: #e3e6ea;--text: #1f2933;--muted: #6b7785;--accent: #2563eb;--accent-soft: #dbeafe;--danger: #b91c1c;--danger-soft: #fee2e2;--shadow: 0 1px 3px rgba(16, 24, 40, .08), 0 1px 2px rgba(16, 24, 40, .04)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.5}a{color:var(--accent)}.page{max-width:980px;margin:0 auto;padding:24px 20px 64px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.topbar h1{font-size:20px;margin:0}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px;box-shadow:var(--shadow)}.card+.card{margin-top:18px}.controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;align-items:end}.field{display:flex;flex-direction:column;gap:6px}.field 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