:root{--bg: #f4f6f9;--panel: #ffffff;--border: #e2e8f0;--text: #1a2332;--muted: #64748b;--primary: #5b45e0;--primary-hover: #4a36c9;--danger: #dc4a4a;--ok: #1f8a5a;--warn: #b8860b;--radius: 12px;--shadow: 0 4px 24px rgba(15, 23, 42, .08);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);min-height:100vh}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.app{min-height:100vh;display:flex;flex-direction:column}.header{display:flex;align-items:center;gap:24px;padding:14px 24px;border-bottom:1px solid var(--border);background:#ffffffeb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:sticky;top:0;z-index:10;box-shadow:0 1px #0f172a0a}.logo{font-weight:700;font-size:1.1rem;color:var(--text)}.header nav{display:flex;gap:16px;flex:1}.header-right{display:flex;align-items:center;gap:12px}.main{width:min(1280px,100%);margin:0 auto;padding:24px 16px 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