:root{--bg:#0b0f14;--panel:#0f1620;--panel2:#0c121a;--text:#d6dee8;--muted:#7f8fa3;--line:#1c2a3a;--accent:#4aa3ff;--danger:#ff5a5a}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}.pp-root{min-height:100vh;display:flex;flex-direction:column}.pp-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#0f1620e6,#0f162080)}.pp-brand{display:flex;gap:12px;align-items:center}.pp-dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 18px #4aa3ff99}.pp-title{font-weight:700;letter-spacing:.08em;font-size:13px}.pp-sub{color:var(--muted);font-size:12px;margin-top:2px}.pp-status{color:var(--muted);font-size:12px;letter-spacing:.04em}.pp-shell{flex:1;display:grid;grid-template-columns:320px 1fr;gap:12px;padding:12px}.pp-left{display:flex;flex-direction:column;gap:12px}.pp-main{background:var(--panel2);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}.pp-panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:12px}.pp-panel-title{font-size:11px;color:var(--muted);letter-spacing:.12em;margin-bottom:10px}.pp-scroll{max-height:280px;overflow:auto}.pp-muted{color:var(--muted);font-size:12px}.pp-hint{color:var(--muted);font-size:11px;margin-top:10px;line-height:1.35}.pp-btn{width:100%;padding:10px 12px;border-radius:12px;border:1px solid var(--line);background:#4aa3ff1f;color:var(--text);font-weight:600;letter-spacing:.04em;cursor:pointer}.pp-btn:disabled{opacity:.5;cursor:not-allowed}.pp-thread{width:100%;text-align:left;border:1px solid transparent;background:#0000;padding:10px;border-radius:12px;cursor:pointer}.pp-thread:hover{background:#ffffff08;border-color:#ffffff0d}.pp-thread.active{border-color:#4aa3ff59;background:#4aa3ff14}.pp-thread-title{font-weight:650;font-size:13px}.pp-thread-meta{color:var(--muted);font-size:11px;margin-top:4px}.pp-field{display:flex;flex-direction:column;gap:6px;margin-bottom:10px}.pp-field label{color:var(--muted);font-size:11px;letter-spacing:.12em}.pp-field input{background:#00000026;border:1px solid var(--line);color:var(--text);border-radius:10px;padding:10px;outline:none}.pp-field input:focus{border-color:#4aa3ff73}.pp-chat{padding:14px;overflow:auto;flex:1}.pp-empty{padding:24px;border:1px dashed rgba(255,255,255,.1);border-radius:14px;background:#ffffff05}.pp-empty-title{font-weight:750;font-size:16px}.pp-empty-sub{color:var(--muted);margin-top:6px;font-size:13px}.pp-msg{border:1px solid rgba(255,255,255,.07);border-radius:14px;padding:12px;margin-bottom:10px;background:#00000024}.pp-msg.user{border-color:#4aa3ff26}.pp-msg.assistant{border-color:#ffffff14}.pp-msg-role{color:var(--muted);font-size:11px;letter-spacing:.12em;margin-bottom:8px}.pp-msg-body{white-space:pre-wrap;line-height:1.35;font-size:14px}.pp-msg-ts{margin-top:10px;color:var(--muted);font-size:11px}.pp-compose{border-top:1px solid var(--line);padding:12px;background:#0f16208c}.pp-compose textarea{width:100%;background:#0000002e;border:1px solid var(--line);color:var(--text);border-radius:12px;padding:10px;outline:none;resize:vertical}.pp-compose textarea:focus{border-color:#4aa3ff73}.pp-compose-row{display:flex;align-items:center;justify-content:space-between;margin-top:10px;gap:12px}.pp-footer{padding:10px 16px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}@media (max-width: 980px){.pp-shell{grid-template-columns:1fr}.pp-scroll{max-height:200px}}