:root{color-scheme:light;--bg:#f6f8fb;--panel:#fff;--text:#172033;--muted:#607089;--line:#dce3ee;--accent:#2563eb;--soft:#e8f0ff;--shadow:0 10px 30px rgba(23,32,51,.07);--ui-zoom:1}[data-theme=dark]{color-scheme:dark;--bg:#0d1117;--panel:#151b23;--text:#e6edf3;--muted:#8b949e;--line:#30363d;--accent:#58a6ff;--soft:#102a44;--shadow:none}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:"Segoe UI",Roboto,Arial,sans-serif;zoom:var(--ui-zoom)}a{color:var(--accent)}button,select,input{font:inherit}button{min-height:36px;padding:7px 11px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--text);font-size:13px;font-weight:600;cursor:pointer}button:hover{border-color:var(--accent)}.app-header{display:flex;flex-direction:column;gap:14px;padding:32px clamp(20px,4vw,56px) 22px;border-bottom:1px solid var(--line);background:var(--panel)}.eyebrow{margin:0 0 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