:root,[data-theme=dark]{--bg:#0f0f0f;--bg-card:#1a1a1a;--bg-hover:#252525;--border:#2a2a2a;--text:#e5e5e5;--text-dim:#888;--accent:#3b82f6;--green:#22c55e;--yellow:#eab308;--red:#ef4444;--orange:#f97316;--purple:#a855f7;--shadow:none;--scrollbar-hover:#444}[data-theme=light]{--bg:#f5f5f5;--bg-card:#fff;--bg-hover:#e8e8e8;--border:#e0e0e0;--text:#1a1a1a;--text-dim:#666;--accent:#3b82f6;--green:#16a34a;--yellow:#ca8a04;--red:#dc2626;--orange:#ea580c;--purple:#9333ea;--shadow:0 1px 3px rgba(0,0,0,.08);--scrollbar-hover:#bbb}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);height:100vh;overflow:hidden;transition:background .25s,color .25s}.nav-bar{height:48px;padding:0 12px;border-bottom:1px solid var(--border);gap:2px;flex-shrink:0;transition:border-color .25s}.nav-bar,.nav-tab{display:flex;align-items:center}.nav-tab{gap:6px;padding:8px 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.2s}.login-input:focus{border-color:var(--accent)}.login-btn{padding:10px;border-radius:8px;border:none;background:var(--accent);color:#fff;font-size:14px;font-weight:600;cursor:pointer;margin-top:4px;transition:opacity .2s}.login-btn:hover{opacity:.9}.login-btn:disabled{opacity:.5;cursor:not-allowed}.login-error{background:rgba(239,68,68,.1);border:1px solid var(--red);color:var(--red);padding:8px 12px;border-radius:8px;font-size:13px}.copy-tooltip{font-size:12px;color:var(--green);margin-top:2px}