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input,body.dark .inline-reset input{background:#2d3348;color:var(--text);border-color:var(--border)}body.dark .file-card{background:#2d3348;border-color:#3d4360}body.dark .file-card:hover{background:#353b55}body.dark .forward-friend{background:#2d3348;border-color:var(--border)}body.dark .forward-friend:hover{background:var(--primary-soft)}body.dark .admin-head nav{background:#2d3348}body.dark .admin-head nav button.on{background:var(--primary);color:#fff}body.dark .add-box-btns button.ghost,body.dark .modal-btns button.ghost{background:#3d4360;color:var(--text-secondary)}body.dark .sidebar-foot button{background:#2d3348;border-color:var(--border);color:var(--text-secondary)}body.dark .sidebar-foot button:hover{background:var(--primary-soft);color:var(--primary)}body.dark .btn-mini{background:#2d3348;border-color:var(--border)}html,body,#root{height:100%}body{font-family:PingFang SC,Microsoft YaHei,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);-webkit-tap-highlight-color:transparent;-webkit-font-smoothing:antialiased;font-size:14px}button{cursor:pointer;font-family:inherit;border:none}input,select{font-family:inherit}.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh;min-height:100dvh;padding:24px;background:linear-gradient(160deg,#eef3ff,#f0f4ff 40%,#f8fafc)}.login-card{background:#fff;padding:40px 32px 32px;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:380px;display:flex;flex-direction:column;gap:14px;animation:fadeUp .4s ease}.login-brand{text-align:center;margin-bottom:4px}.login-brand .logo{width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,#667eea,#764ba2);display:inline-flex;align-items:center;justify-content:center;font-size:28px;color:#fff;margin-bottom:8px}.login-card h1{text-align:center;color:var(--text);font-size:24px;font-weight:700}.login-sub{text-align:center;color:var(--text-secondary);font-size:13px;line-height:1.6}.login-card input{padding:12px 15px;border:1.5px solid var(--border);border-radius:10px;font-size:15px;outline:none;transition:border-color var(--transition),box-shadow var(--transition);background:#f8fafd}.login-card input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #07c1601f;background:#fff}.login-card button{padding:13px;background:var(--primary);color:#fff;border:none;border-radius:10px;font-size:15px;font-weight:600;transition:background var(--transition),transform .1s ease}.login-card button:hover{background:var(--primary-dark)}.login-card button:active{transform:scale(.98)}.login-card button:disabled{opacity:.5;cursor:not-allowed}.login-error{color:var(--danger);font-size:13px;text-align:center;background:#fef2f2;padding:8px 12px;border-radius:8px}.login-switch{text-align:center;color:var(--primary);font-size:13px;cursor:pointer;transition:color var(--transition)}.login-switch:hover{color:var(--primary-dark);text-decoration:underline}.login-ok{color:var(--online);font-size:13px;text-align:center;background:#f0fdf4;padding:8px 12px;border-radius:8px}@keyframes fadeUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes msgIn{0%{opacity:0;transform:translateY(8px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes blink{50%{opacity:.35}}.chat-layout{display:flex;height:100vh;height:100dvh}.sidebar{width:320px;background:#fff;border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0}.sidebar-head{padding:16px 18px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;background:#fafbfd}.me-info{display:flex;align-items:center;gap:10px}.me-info b{font-size:14px;font-weight:600}.avatar{width:48px;height:48px;border-radius:12px;color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;flex:none;position:relative;box-shadow:0 2px 6px #0000001f}.avatar.sm{width:40px;height:40px;font-size:15px;box-shadow:none}.avatar.xs{width:34px;height:34px;font-size:13px;box-shadow:none}.avatar .ring{display:none}.avatar.ring-online .ring{display:block;position:absolute;top:-3px;right:-3px;bottom:-3px;left:-3px;border:2.5px solid var(--online);border-radius:10px}.conn-dot{width:10px;height:10px;border-radius:50%;flex:none}.conn-dot.on{background:var(--online);box-shadow:0 0 6px #22c55e66}.conn-dot.off{background:var(--danger);animation:blink 1s infinite}.contact .unread-dot{position:absolute;top:-1px;right:-1px;width:10px;height:10px;border-radius:50%;background:#fa5151;border:1.5px solid #fff;z-index:2}.friend-actions{padding:14px 16px 8px}.btn-add{width:100%;padding:10px;border-radius:10px;font-weight:600;font-size:14px;transition:all var(--transition);background:var(--primary-soft);color:var(--primary)}.btn-add:hover{background:#dde6ff}.add-box{margin:4px 16px 8px;padding:14px;background:#f8faff;border:1px solid #e8eefb;border-radius:var(--radius);display:flex;flex-direction:column;gap:8px;animation:fadeUp .2s ease}.add-label{font-size:14px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:6px}.add-hint{font-size:11px;color:var(--text-secondary);line-height:1.4}.add-box input{padding:10px 13px;border:1.5px solid var(--border);border-radius:9px;font-size:14px;outline:none;background:#fafbfd;transition:border-color var(--transition)}.add-box input:focus{border-color:var(--primary);background:#fff}.add-box-btns{display:flex;gap:8px}.add-box-btns button{flex:1;padding:10px;border-radius:9px;font-weight:600;font-size:14px;transition:all var(--transition)}.add-box-btns button:first-child{background:var(--primary);color:#fff}.add-box-btns button:first-child:hover{background:var(--primary-dark)}.add-box-btns button.ghost{background:#eef0f4;color:#555}.add-box-btns button.ghost:hover{background:#e2e5eb}.req-list{margin:4px 16px 8px;background:#fffbf5;border:1px solid #ffe4cc;border-radius:var(--radius);padding:12px 14px;animation:fadeUp .2s ease}.req-title{font-size:13px;color:var(--text);font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:8px}.req-badge{background:var(--burn);color:#fff;font-size:11px;font-weight:700;padding:2px 7px;border-radius:10px;min-width:18px;text-align:center}.req-item{display:flex;align-items:center;gap:8px;padding:8px;border-radius:10px;background:#fff;border:1px solid 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var(--transition);position:relative}.contact:hover{background:#f4f7ff}.contact.active{background:var(--primary-soft);box-shadow:inset 3px 0 0 var(--primary)}.contact-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}.contact-body .name{font-size:14px;font-weight:600}.contact-body .preview{font-size:13px;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.contact-meta{display:flex;flex-direction:column;align-items:flex-end;gap:4px;flex:none}.contact-meta .time{font-size:11px;color:var(--muted)}.contact-meta .badge{min-width:18px;height:18px;border-radius:9px;background:var(--primary);color:#fff;font-size:11px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;padding:0 5px}.contact .presence{width:10px;height:10px;border-radius:50%;background:#d1d5db;flex:none;position:absolute;bottom:12px;left:48px;border:2px solid #fff}.contact .presence.online{background:var(--online)}.sidebar-foot{padding:12px 14px;border-top:1px solid var(--border);display:flex;gap:8px;background:#fafbfd}.sidebar-foot button{flex:1;padding:9px;border:1px solid var(--border);background:#fff;border-radius:8px;font-size:13px;color:var(--text-secondary);font-weight:500;transition:all var(--transition)}.sidebar-foot button:hover{background:#f4f7ff;color:var(--primary);border-color:var(--primary-soft)}.chat-main{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--chat-bg)}.chat-main.has-bg{background-image:radial-gradient(circle at 20% 50%,rgba(7,193,96,.03) 0%,transparent 50%),radial-gradient(circle at 80% 20%,rgba(118,75,162,.03) 0%,transparent 50%);background-size:100% 100%}.empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);font-size:15px;gap:8px;-webkit-user-select:none;user-select:none}.empty .emoji{font-size:56px;opacity:.7}.empty .hint{font-size:15px;color:var(--text-secondary)}.chat-head{padding:12px 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var(--burn);background:#fffbf5}.msg-img{max-width:180px;max-height:180px;border-radius:8px;display:block;cursor:pointer}.voip-log{color:var(--text-secondary);font-size:13px;font-style:italic}.burn-mask{background:#fff8f0;border:none;color:var(--burn);padding:10px 18px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer}.burn-mask:hover{background:#ffeed9}.meta{display:flex;align-items:center;gap:4px;margin-top:4px;font-size:11px;color:var(--muted);white-space:nowrap;-webkit-user-select:none;user-select:none}.msg-row.mine .meta{justify-content:flex-end}.burn-count{color:var(--burn);font-weight:700}.status{color:var(--primary)}.status.failed{color:var(--danger)}.bubble-outer{position:relative;max-width:75%}.msg-row.mine .bubble-outer{display:flex;flex-direction:column;align-items:flex-end}.msg-forward{position:absolute;top:4px;background:#0000001f;color:#fff;border:none;border-radius:50%;width:24px;height:24px;font-size:13px;cursor:pointer;opacity:0;transition:opacity .15s 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var(--transition)}.file-dl:hover{background:#dde6ff}.composer{display:flex;flex-wrap:wrap;gap:8px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--border);align-items:center;box-shadow:0 -1px 3px #00000008}.composer-tools{display:flex;gap:6px;align-items:center}.composer select,.composer-tools button{padding:9px 11px;border:1.5px solid var(--border);background:#f8fafd;border-radius:9px;font-size:13px;transition:all var(--transition);color:var(--text-secondary)}.composer-tools button{font-size:17px;padding:8px 10px}.composer-tools button:hover{background:#eef3fb;color:var(--primary);border-color:var(--primary-soft)}.composer select.burn-on{border-color:var(--burn);color:var(--burn);font-weight:700;background:#fffbf5}.composer select.burn-on:hover{background:#fff8f0}.text-input{flex:1;min-width:0;padding:11px 15px;border:1.5px solid var(--border);border-radius:22px;font-size:15px;outline:none;background:#f8fafd;transition:border-color var(--transition),box-shadow var(--transition)}.text-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #07c1601a;background:#fff}.btn-send{background:var(--primary)!important;color:#fff!important;border:none!important;padding:11px 22px!important;font-weight:700;border-radius:22px!important;font-size:15px;transition:background var(--transition),transform .1s ease}.btn-send:hover{background:var(--primary-dark)!important}.btn-send:active{transform:scale(.96)}.btn-mini.danger{color:var(--danger);border-color:#fecaca}.btn-mini.danger:hover{background:#fef2f2}.call-panel{position:fixed;top:10px;left:50%;transform:translate(-50%);z-index:300;max-width:94vw;width:max-content}.call-btns{display:flex;gap:6px}.btn-call{border:none;background:transparent;font-size:20px;cursor:pointer;padding:4px}.btn-call-video{font-size:18px}.call-bar{display:flex;align-items:center;gap:10px;background:#fffffff2;padding:6px 12px;border-radius:8px;font-size:14px;color:#222;box-shadow:0 1px 4px #00000014}.call-bar.connected{background:#fffffff2;color:#222}.call-bar.incoming{background:#fff}.call-bar button{padding:4px 12px;border-radius:6px;border:1px solid #ddd;background:#fff;color:#333}.btn-accept{background:var(--online)!important;color:#fff;border:none!important}.btn-reject{background:var(--danger)!important;color:#fff;border:none!important}.video-stage{position:fixed;z-index:200;top:64px;left:50%;transform:translate(-50%);width:min(94vw,480px);height:min(55vh,420px);background:#111;border-radius:14px;overflow:hidden;box-shadow:0 12px 40px #00000073}.video-remote{width:100%;height:100%;object-fit:contain;background:#111}.video-local{position:absolute;right:12px;top:12px;width:30%;max-width:140px;border-radius:10px;border:2px solid rgba(255,255,255,.55);background:#000;object-fit:cover;aspect-ratio:3/4}@media (prefers-color-scheme: dark){.call-bar,.call-bar.connected{background:#ffffff26;color:#eee}.call-bar.incoming{background:#2a2a2a;color:#eee}.call-bar 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