:root{--bg: #0f1020;--panel: #171833;--panel-2: #1f2140;--text: #f1f1fb;--muted: #9295c2;--accent: #6c5ce7;--accent-2: #8e7bff;--bubble-other: #23254a;--bubble-mine: linear-gradient(135deg, #6c5ce7, #8e7bff);--border: #2a2c55}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:radial-gradient(circle at 20% -10%,rgba(108,92,231,.35),transparent 45%),radial-gradient(circle at 100% 0%,rgba(142,123,255,.2),transparent 40%),var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.app{display:flex;flex-direction:column;height:100dvh;max-width:720px;margin:0 auto;background:var(--panel)}@media (min-width: 760px){body{display:flex;justify-content:center;padding:28px 0}.app{height:min(880px,calc(100dvh - 56px));border-radius:20px;overflow:hidden;box-shadow:0 30px 80px -30px #0009,0 0 0 1px var(--border)}}.topbar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 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var(--border);cursor:pointer;text-align:left;color:var(--text)}.admin-thread-item.active{background:#6c5ce71f}.admin-thread-info{min-width:0;flex:1}.admin-thread-top{display:flex;justify-content:space-between;gap:8px;font-size:.85rem}.admin-thread-name{font-weight:700}.admin-thread-time{color:var(--muted);font-size:.72rem;flex-shrink:0}.admin-thread-preview{color:var(--muted);font-size:.82rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.admin-chat{flex:1;display:flex;flex-direction:column;min-width:0}.admin-chat-header{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--border);background:var(--panel-2)}.admin-back-btn{display:none;background:none;border:none;color:var(--text);font-size:1.2rem;cursor:pointer}.admin-chat-name{font-weight:700}@media (max-width: 720px){.admin-back-btn{display:block}.hide-on-mobile{display:none}.admin-sidebar{width:100%}}@media (prefers-color-scheme: light){:root{--bg: #eef0fb;--panel: #ffffff;--panel-2: #f5f6ff;--text: #1c1d3a;--muted: #6c6e97;--bubble-other: #f0f1fb;--border: #e2e4f6}.bubble-time{color:#0006}}