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var(--accent-glow)}.m-reset-row{display:flex;gap:6px;align-items:center;padding:8px 12px;background:var(--surface-subtle);border-radius:var(--radius-sm);margin-top:4px;margin-bottom:8px}.m-conn-count{font-size:11px;font-weight:700;white-space:nowrap}.m-office-row{margin-bottom:6px}.m-tab-text{font-size:12.5px;font-weight:700;white-space:nowrap}.m-voice-talk-panel{display:flex;flex-direction:column;align-items:center;gap:12px;padding:10px 4px 6px;border-top:1px dashed #fecaca;background:snow;border-radius:12px;animation:fadeIn .2s ease-out}.m-voice-status-tip{text-align:center;font-size:12.5px;color:#475569}.m-voice-offline-text{color:#94a3b8;font-weight:700}.m-voice-active-text{color:#dc2626;font-weight:800;display:inline-flex;align-items:center;gap:6px}.m-voice-wave-dot{width:8px;height:8px;background:#dc2626;border-radius:50%;animation:pttPulse .8s infinite 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var(--brand-red-glow);transition:all .15s ease}.batch-call-btn:hover{transform:translateY(-1px)}.batch-call-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.batch-call-btn.offline-disabled{background:#94a3b8;box-shadow:none;color:#f1f5f9}.pc-action-input-row{display:flex;align-items:center;gap:10px}.pc-mode-card{background:#fff;border-radius:var(--radius-sm);border:1px solid var(--border);box-shadow:var(--shadow-xs);padding:12px 16px;margin-bottom:12px;display:flex;flex-direction:column;gap:10px}.pc-mode-header{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.pc-mode-segment{display:inline-flex;background:#edf2f7;border-radius:var(--radius-pill);padding:3px;gap:3px}.pc-mode-tab{border:none;background:transparent;padding:5px 16px;border-radius:var(--radius-pill);font-size:13px;font-weight:700;color:var(--text-3);cursor:pointer;transition:all .15s ease;display:flex;align-items:center;gap:6px}.pc-mode-tab.active{background:#fff;color:var(--text);box-shadow:0 2px 6px #00000014}.pc-mode-body{animation:fadeIn .15s ease-out}.action-preset-btns{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.pc-action-row-group{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.action-pill-btn{padding:4px 12px;border-radius:var(--radius-pill);border:1px solid #cbd5e1;background:#f8fafc;color:var(--text-2);font-size:12px;font-weight:600;cursor:pointer;transition:all .15s ease}.action-pill-btn:hover{border-color:var(--brand-red);color:var(--brand-red)}.action-pill-btn.active{background:var(--brand-red);color:#fff;border-color:var(--brand-red);box-shadow:0 2px 8px var(--brand-red-glow)}.action-pill-btn.role-pill-btn{background:#f1f5f9;border-color:#cbd5e1;color:#475569}.action-pill-btn.role-pill-btn:hover{border-color:#0284c7;color:#0284c7}.action-pill-btn.role-pill-btn.active-role{background:#0284c7;color:#fff;border-color:#0284c7;box-shadow:0 2px 8px #0284c74d}.office-btns{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.office-btn{padding:5px 14px;border-radius:var(--radius-pill);border:1px solid var(--border);background:#fff;color:var(--text-2);font-size:12.5px;font-weight:600;cursor:pointer;transition:all .15s}.office-btn.active{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 2px 8px var(--accent-glow)}.classroom-tabs{display:flex;align-items:center;gap:8px;overflow-x:auto;padding-bottom:10px}.classroom-tab{flex-shrink:0;padding:8px 18px;border-radius:var(--radius-pill);border:1px solid var(--border);background:#fff;color:var(--text-2);font-size:13.5px;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:8px;box-shadow:var(--shadow-xs);transition:all .15s cubic-bezier(.16,1,.3,1)}.classroom-tab:hover{border-color:var(--accent-border);color:var(--accent)}.classroom-tab.active{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 4px 14px var(--accent-glow)}.cr-tab-dot{width:8px;height:8px;border-radius:50%}.cr-tab-dot.online{background:var(--success);box-shadow:0 0 0 2px #16a34a40}.cr-tab-dot.offline{background:var(--text-muted)}.pc-filter-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:10px}.pc-search-box{width:280px;height:38px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-pill);display:flex;align-items:center;padding:0 14px;gap:8px;box-shadow:var(--shadow-xs)}.pc-search-input{flex:1;border:none;outline:none;background:transparent;font-size:13px;color:var(--text)}.pc-search-clear{border:none;background:var(--border);color:var(--text-2);width:16px;height:16px;border-radius:50%;font-size:11px;cursor:pointer}.pc-filter-stats{display:flex;align-items:center;gap:12px}.call-scroll{flex:1;overflow-y:auto;padding:16px 36px 40px}.student-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}.student-card{background:#fff;border-radius:var(--radius-sm);padding:14px;box-shadow:var(--shadow-card);border:1.5px solid transparent;cursor:pointer;transition:all .16s ease;display:flex;flex-direction:column;gap:6px;position:relative}.student-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--accent-border)}.student-card.selected{border-color:var(--brand-red);background:var(--brand-red-bg);box-shadow:0 4px 14px var(--brand-red-glow)}.student-card-header{display:flex;align-items:center;justify-content:space-between}.student-avatar-badge{width:28px;height:28px;border-radius:50%;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center}.student-card-check{width:18px;height:18px;accent-color:var(--brand-red);cursor:pointer}.office-btn-none.active-none{border-color:var(--text-muted);background:var(--text-2);color:#fff}.pc-mode-tab-voice.active{color:#dc2626}.pc-voice-mode-tip{display:flex;align-items:center;gap:8px}.pc-voice-live-tag{display:inline-flex;align-items:center;gap:6px;color:#dc2626;font-weight:800;background:#fef2f2;border:1px solid #fecaca;padding:3px 10px;border-radius:var(--radius-pill)}.pc-voice-dot{width:8px;height:8px;background:#dc2626;border-radius:50%;animation:pttPulse 1s infinite alternate}.pc-voice-talk-panel{display:flex;align-items:center;justify-content:space-between;gap:20px;background:linear-gradient(135deg,#fff7ed,#fff);border:1px solid #fed7aa;border-radius:12px;padding:16px 20px;margin-top:4px}.pc-voice-left{display:flex;flex-direction:column;gap:8px;flex:1;min-width:0}.pc-voice-target-badge{display:inline-flex;align-items:center;gap:8px}.pc-voice-target-badge .badge-label{font-size:13px;font-weight:700;color:#64748b}.pc-voice-target-badge .badge-name{font-size:16px;font-weight:900;color:#1e293b}.pc-voice-target-badge .badge-status{font-size:11.5px;font-weight:800;padding:2px 8px;border-radius:var(--radius-pill)}.pc-voice-target-badge .badge-status.online{background:#dcfce7;color:#16a34a}.pc-voice-target-badge .badge-status.offline{background:#f1f5f9;color:#94a3b8}.pc-voice-tip{font-size:13px;color:#475569;line-height:1.5}.pc-voice-tip .offline-warning{color:#dc2626;font-weight:700}.pc-voice-action-zone{flex-shrink:0}.pc-voice-main-btn{position:relative;display:flex;align-items:center;gap:12px;padding:12px 24px;border-radius:36px;border:2px solid #ef4444;background:linear-gradient(135deg,#ef4444,#b91c1c);color:#fff;cursor:pointer;box-shadow:0 4px 16px #ef444459;transition:all .2s cubic-bezier(.4,0,.2,1);overflow:hidden}.pc-voice-main-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #ef444473}.pc-voice-main-btn:active:not(:disabled){transform:translateY(1px)}.pc-voice-main-btn.is-disabled{background:#94a3b8;border-color:#cbd5e1;box-shadow:none;cursor:not-allowed;opacity:.7}.pc-voice-main-btn.is-talking{background:linear-gradient(135deg,#dc2626,#7f1d1d);border-color:#f87171;animation:pcTalkingGlow 1.4s infinite alternate}.pc-voice-mic-icon{font-size:24px;z-index:1}.pc-voice-btn-texts{display:flex;flex-direction:column;align-items:flex-start;z-index:1}.pc-voice-btn-title{font-size:15px;font-weight:900;letter-spacing:.5px}.pc-voice-btn-sub{font-size:11px;opacity:.85;font-weight:500}@keyframes pcTalkingGlow{0%{box-shadow:0 0 #ef4444b3}to{box-shadow:0 0 0 12px #ef444400}}.history-list{display:flex;flex-direction:column;gap:10px}.history-item{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:#fff;border-radius:var(--radius-sm);border:1px solid var(--border);box-shadow:var(--shadow-xs);transition:all .15s}.history-item:hover{box-shadow:var(--shadow-sm)}.history-item.is-confirmed{border-left:4px solid var(--success)}.history-item.is-pending{border-left:4px solid var(--warn)}.history-title-row{display:flex;align-items:center;gap:8px}.history-class-tag{font-size:12px;font-weight:700;background:var(--accent-bg);color:var(--accent);padding:2px 8px;border-radius:6px}.history-student-name{font-size:16px;font-weight:800;color:var(--text)}.history-meta{display:flex;align-items:center;gap:14px;font-size:12.5px;color:var(--text-2);margin-top:4px}.history-time{font-size:12px;color:var(--text-3);margin-top:4px;display:flex;align-items:center;gap:6px}.history-desktop-view,.settings-desktop-view{max-width:100%}.history-list-wrap{display:flex;flex-direction:column;gap:20px}.history-main-info{display:flex;flex-direction:column;gap:4px}.import-tabs{display:flex;gap:10px;margin-bottom:16px;border-bottom:1px solid var(--border);padding-bottom:12px}.import-tab{padding:8px 18px;border-radius:var(--radius-pill);border:1px solid var(--border);background:#fff;color:var(--text-2);font-size:13.5px;font-weight:700;cursor:pointer;transition:all .15s}.import-tab.active{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 2px 8px var(--accent-glow)}.settings-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:20px}.settings-hint{font-size:13px;color:var(--text-3);line-height:1.5}.settings-main-card,.settings-side-card{min-width:0}.settings-presets-section{margin-top:24px}.settings-presets-header{display:flex;align-items:baseline;gap:12px;margin-bottom:14px}.settings-presets-title{font-size:16px;font-weight:700;color:var(--text)}.settings-presets-desc{font-size:13px;color:var(--text-3)}.settings-presets-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.settings-preset-card{min-width:0}.preset-editor{display:flex;flex-direction:column;gap:10px}.preset-tags{display:flex;flex-wrap:wrap;gap:8px;min-height:38px;padding:4px 0}.preset-tag{display:inline-flex;align-items:center;gap:4px;background:#eff6ff;border:1px solid #bfdbfe;color:#1d4ed8;border-radius:6px;padding:4px 10px;font-size:13px;font-weight:500;transition:background .15s}.preset-tag:hover{background:#dbeafe}.preset-tag-del{background:none;border:none;color:#93c5fd;font-size:15px;line-height:1;cursor:pointer;padding:0 0 0 2px;transition:color .15s}.preset-tag-del:hover{color:#ef4444}.preset-empty-tip{font-size:13px;color:var(--text-4, #94a3b8);font-style:italic}.preset-input-row{display:flex;gap:8px}.preset-input{flex:1;height:36px;border:1px solid var(--border, #e2e8f0);border-radius:8px;padding:0 12px;font-size:13px;background:var(--surface, #fff);color:var(--text);outline:none;transition:border-color .15s}.preset-input:focus{border-color:#3b82f6}.preset-add-btn{height:36px;padding:0 14px;background:#3b82f6;color:#fff;border:none;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background .15s}.preset-add-btn:hover:not(:disabled){background:#2563eb}.preset-add-btn:disabled{background:#93c5fd;cursor:not-allowed}.preset-save-btn{height:36px;padding:0 16px;background:#10b981;color:#fff;border:none;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;align-self:flex-start;transition:background .15s}.preset-save-btn:hover:not(:disabled){background:#059669}.preset-save-btn:disabled{background:#6ee7b7;cursor:not-allowed}