:root{color-scheme:dark;--bg: #0a0a0e;--surface: #16161c;--surface-2: #1f1f27;--line: #2a2a34;--text: #f2f2f5;--muted: #9a9aa8;--accent: #7cc4ff;--danger: #ff6b6b}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}button,input,select{font:inherit;color:inherit}button{cursor:pointer}.app{display:flex;flex-direction:column;min-height:100%}.topbar{display:flex;align-items:center;gap:12px;padding:12px 20px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#0a0a0eeb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:20}.brand{font-weight:700;letter-spacing:-.02em;margin-right:8px}.tabs{display:flex;gap:6px;flex-wrap:wrap;flex:1}.tab{border:1px solid transparent;background:transparent;padding:8px 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