*{box-sizing:border-box;margin:0;padding:0}:root{--bg:#0f0f1a;--surface:#1a1a2e;--primary:#4f8cff;--primary-dark:#3a6fd8;--text:#e8e8f0;--text-muted:#889;--success:#34d399;--warning:#fbbf24;--danger:#f87171;--radius:12px}html,body,#root{background:var(--bg);height:100%;color:var(--text);-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;overflow:hidden}.app{flex-direction:column;max-width:500px;height:100%;margin:0 auto;display:flex}.app-header{border-bottom:1px solid #ffffff0f;justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.app-header h1{font-size:18px;font-weight:600}.app-main{flex:1;min-height:0;padding:16px;overflow-y:auto}.tab-bar{background:var(--surface);padding-bottom:env(safe-area-inset-bottom);border-top:1px solid 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