*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #fff;--bg-alt: #f8fafc;--surface: #fff;--surface2: #f8fafc;--border: #e2e8f0;--border-light: #f1f5f9;--text: #1a1a1a;--text-muted: #64748b;--text-sub: #94a3b8;--accent: #1a365d;--accent-hover: #152b4a;--accent-light: rgba(26,54,93,.06);--accent-border: rgba(26,54,93,.14);--success: #059669;--success-bg: #f0fdf4;--success-border: #bbf7d0;--error: #dc2626;--error-bg: #fef2f2;--error-border: #fecaca}body{background:var(--bg);color:var(--text);font-family:Inter,-apple-system,sans-serif;line-height:1.5;min-height:100vh;overflow-x:hidden}h1{font-size:24px;font-weight:700;color:var(--text)}h2{font-size:20px;font-weight:700;color:var(--text)}p{color:var(--text-muted)}a{color:inherit}.app-header{background:#fff;border-bottom:1px solid var(--border);padding:12px 24px;position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:14px}.app-header-logo{height:30px;filter:brightness(0) saturate(100%) invert(17%) 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