:root{--bg: #0a0e13;--panel: #10161d;--panel-2: #151d26;--border: #1e2936;--border-2: #263548;--text: #d7e0ea;--muted: #7d8b9c;--accent: #4ade80;--accent-dim: #16a34a;--blue: #38bdf8;--danger: #f87171;--warn: #fbbf24;--radius: 10px}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.6}::selection{background:#4ade8040}button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;padding:0}code,pre,kbd{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,Liberation Mono,monospace}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 24px;background:#0a0e13eb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid 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