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32px;background:linear-gradient(135deg,#e74c3c,#c0392b);color:#fff;border:none;border-radius:30px;font-size:18px;font-weight:600;cursor:pointer;transition:all .3s;box-shadow:0 4px 15px #e74c3c4d}.vn-debate-btn:hover{transform:translateY(-3px);box-shadow:0 6px 20px #e74c3c66}#typing-indicator{display:flex;align-items:flex-start;gap:10px;margin:8px 0;justify-content:flex-start}#typing-indicator span{display:inline-block;padding:10px 14px;border-radius:14px;background:#e9ecef}.mention-tag{display:inline-block;padding:2px 6px;border-radius:4px;font-weight:600;font-size:.9em}.debate-confirm-overlay{position:absolute;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:100;border-radius:16px}.debate-confirm-dialog{background:#fff;border-radius:16px;padding:28px 32px;max-width:360px;width:90%;box-shadow:0 10px 40px #0000004d;text-align:center}.debate-confirm-title{font-size:18px;font-weight:700;color:#2c3e50;margin-bottom:10px}.debate-confirm-msg{font-size:14px;color:#6c757d;line-height:1.6;margin-bottom:22px}.debate-confirm-btns{display:flex;gap:12px;justify-content:center}.debate-confirm-cancel{padding:10px 24px;background:#e9ecef;color:#495057;border:none;border-radius:24px;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s}.debate-confirm-cancel:hover{background:#dee2e6}.debate-confirm-ok{padding:10px 24px;background:linear-gradient(135deg,#e74c3c,#c0392b);color:#fff;border:none;border-radius:24px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s}.debate-confirm-ok:hover{transform:translateY(-1px);box-shadow:0 4px 12px #e74c3c4d}@media(max-width:760px){.debate-modal{align-items:stretch;padding:10px}.debate-header{gap:8px;padding:12px}.debate-header-actions{gap:6px}.chat-export-btn{width:32px;min-width:32px;padding:5px}.chat-export-label{display:none}.debate-container{width:100%;height:100%;max-height:none;border-radius:12px}.knowledge-note-panel{--note-tab-width: 48px;position:fixed;left:12px;right:12px;top:auto;bottom:calc(12px + env(safe-area-inset-bottom));z-index:1200;width:auto;height:min(56vh,440px);transform:translateY(calc(100% - var(--note-tab-width)));filter:drop-shadow(0 -12px 26px rgba(0,0,0,.26))}.knowledge-note-panel.is-open{transform:translateY(0)}.knowledge-note-tab{top:0;right:0;width:100%;height:var(--note-tab-width);flex-direction:row;justify-content:center;gap:8px;padding:0 16px;border:1px solid rgba(191,151,78,.52);border-bottom:0;border-radius:12px 12px 0 0}.knowledge-note-panel.is-open .knowledge-note-tab{top:0;right:0;width:100%;height:var(--note-tab-width);border:1px solid rgba(191,151,78,.52);border-bottom:0;border-radius:12px 12px 0 0}.knowledge-note-panel.is-open .knowledge-note-body{padding:64px 18px 20px}.knowledge-note-tab-label{position:static;width:auto;height:auto;overflow:visible;clip:auto;color:#f8ead0;font-size:14px;font-weight:700;white-space:nowrap}.knowledge-note-body{padding:64px 18px 20px;border-radius:12px}.knowledge-note-title{font-size:22px}.knowledge-note-content{font-size:14px}}