@import "https://fonts.googleapis.com/css2?family=Coiny&family=Nunito:wght@300;400;500;600;700;800&display=swap";:root{--pink:#ffe5ec;--pink-deep:#ff8fab;--yellow:#fff4d6;--yellow-deep:#f4c430;--green:#ddf4e7;--green-deep:#48bb78;--blue:#dceeff;--blue-deep:#4299e1;--purple:#fff0f5;--purple-deep:#e91e7b;--bg:#faf9fb;--surface:#fff;--surface-hover:#f8f7fa;--text:#2d3748;--text-secondary:#718096;--text-muted:#a0aec0;--border:#edf2f7;--border-light:#f7fafc;--accent:#e91e7b;--accent-light:#f472a8;--success:#38a169;--warning:#dd6b20;--danger:#e53e3e;--sidebar-w:260px;--topbar-h:64px;--radius:14px;--radius-sm:8px;--radius-lg:20px;--shadow-sm:0 2px 4px #00000005;--shadow:0 6px 18px #0000000a;--shadow-lg:0 10px 30px #0000000f;--shadow-glow:0 0 20px #e91e7b1f}*{box-sizing:border-box;margin:0;padding:0}button,input,select,textarea{font-family:inherit}body{background:var(--bg);color:var(--text);font-family:Nunito,-apple-system,sans-serif;font-weight:500;line-height:1.6;overflow-x:hidden}.app-layout{min-height:100vh;display:flex}.sidebar{display:none!important}.sidebar-logo{border-bottom:1px solid var(--border-light);align-items:center;gap:12px;padding:20px 24px;display:flex}.logo-icon{background:linear-gradient(135deg, var(--pink-deep), var(--purple-deep));color:#fff;border-radius:12px;justify-content:center;align-items:center;width:42px;height:42px;font-family:Coiny,cursive;font-size:20px;display:flex}.logo-text{background:linear-gradient(135deg, var(--pink-deep), 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var(--border-light);padding:16px}.user-profile{border-radius:var(--radius-sm);align-items:center;gap:12px;padding:8px;display:flex}.user-avatar{background:linear-gradient(135deg, var(--green-deep), var(--blue-deep));color:#fff;border-radius:10px;justify-content:center;align-items:center;width:38px;height:38px;font-size:16px;font-weight:700;display:flex}.user-info{flex-direction:column;display:flex}.user-name{font-size:13px;font-weight:600}.user-level{color:var(--text-muted);font-size:11px}.main-content{flex:1;max-width:100vw;min-height:100vh;margin-left:0;transition:margin-left .3s cubic-bezier(.4,0,.2,1);overflow-x:hidden}.topbar{height:var(--topbar-h);background:var(--surface);border-bottom:1px solid var(--border-light);z-index:50;align-items:center;gap:clamp(6px,1.5vw,16px);padding:0 clamp(8px,2vw,28px);display:flex;position:sticky;top:0}.menu-toggle{background:var(--surface);border:1px solid 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#38a16900}}.jk-chat-body{flex-direction:column;flex:1;gap:16px;padding:20px;display:flex;overflow-y:auto}.jk-msg-wrapper{gap:8px;max-width:80%;display:flex}.jk-msg-wrapper.jk{align-self:flex-start}.jk-msg-wrapper.user{justify-content:flex-end;align-self:flex-end;max-width:75%}.jk-bubble-avatar{object-fit:cover;width:36px;height:36px;box-shadow:var(--shadow-sm);border:1.5px solid #fff;border-radius:50%;flex-shrink:0}.jk-bubble-content-box{flex-direction:column;gap:4px;display:flex}.jk-bubble-sender-name{color:var(--text-secondary);margin-left:2px;font-size:11px;font-weight:700}.jk-msg-bubble{word-break:break-word;border-radius:18px;padding:12px 16px;font-size:14px;line-height:1.5;position:relative;box-shadow:0 2px 8px #00000008}.jk-msg-wrapper.jk .jk-msg-bubble{color:var(--text);background:#fff;border:1px solid #e2e8f099;border-top-left-radius:4px}.jk-msg-wrapper.user .jk-msg-bubble{background:linear-gradient(135deg, var(--accent), var(--pink-deep));color:#fff;text-align:left;border-top-right-radius:4px}.jk-msg-text-kr{margin-bottom:2px;font-size:15px;font-weight:700}.jk-msg-text-vi{opacity:.85;border-top:1px solid #0000000f;margin-top:4px;padding-top:4px;font-size:12px;font-style:italic}.jk-msg-wrapper.user .jk-msg-text-vi{border-top-color:#fff3}.jk-msg-time{color:var(--text-muted);flex-shrink:0;align-self:flex-end;margin-bottom:2px;font-size:10px}.jk-typing-indicator{width:fit-content;box-shadow:var(--shadow-sm);background:#fff;border:1px solid #e2e8f099;border-radius:4px 16px 16px;align-self:flex-start;align-items:center;gap:4px;margin-left:44px;padding:8px 14px;display:flex}.jk-typing-indicator span{background-color:var(--accent-light);border-radius:50%;width:6px;height:6px;animation:1.4s ease-in-out infinite both jk-typing;display:inline-block}.jk-typing-indicator span:first-child{animation-delay:-.32s}.jk-typing-indicator span:nth-child(2){animation-delay:-.16s}@keyframes jk-typing{0%,80%,to{opacity:.3;transform:scale(0)}40%{opacity:1;transform:scale(1)}}.jk-chat-suggestions-container{-webkit-backdrop-filter:blur(10px);background:#fff9;border-top:1px solid #e2e8f080}.jk-suggestions-header{cursor:pointer;-webkit-user-select:none;user-select:none;background:#8b5cf60a;border-bottom:1px solid #e2e8f04d;justify-content:space-between;align-items:center;padding:6px 16px;transition:all .2s;display:flex}.jk-suggestions-header:hover{background:#8b5cf614}.jk-suggestions-title{color:var(--accent);text-transform:uppercase;letter-spacing:.5px;align-items:center;gap:4px;font-size:11px;font-weight:800;display:flex}.jk-suggestions-toggle{color:var(--text-secondary);background:#e2e8f080;border-radius:10px;padding:2px 8px;font-size:11px;font-weight:700;transition:all .2s}.jk-suggestions-header:hover .jk-suggestions-toggle{background:var(--purple);color:var(--accent)}.jk-chat-suggestions{flex-wrap:wrap;gap:10px;padding:12px 16px;display:flex}.jk-suggestion-chip{cursor:pointer;text-align:left;box-sizing:border-box;background:#fff;border:1.5px solid #8b5cf61f;border-radius:12px;flex-direction:column;flex:calc(33.333% - 10px);justify-content:center;align-items:flex-start;gap:3px;min-width:200px;max-width:100%;padding:10px 16px;line-height:1.35;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex;box-shadow:0 2px 5px #00000005}.jk-suggestion-chip:hover{border-color:var(--accent);background:#8b5cf608;transform:translateY(-1px);box-shadow:0 4px 10px #8b5cf614}.jk-suggestion-kr{color:var(--accent);word-break:break-word;font-size:13px;font-weight:800}.jk-suggestion-roman{color:var(--text-secondary);opacity:.95;margin-top:1px;font-size:10.5px;font-style:italic;font-weight:600}.jk-suggestion-vi{color:var(--text-muted);opacity:.85;margin-top:1px;font-size:10px;font-weight:500}@media (width<=768px){.jk-chat-suggestions{gap:8px;padding:8px 12px}.jk-suggestion-chip{border-radius:10px;flex:100%;gap:2px;min-width:100%;max-width:100%;padding:10px 14px}.jk-suggestion-kr{font-size:12.5px;font-weight:700}.jk-suggestion-roman{font-size:10px}.jk-suggestion-vi{font-size:9.5px}}@media (width<=480px){.jk-chat-suggestions{gap:6px;padding:8px}.jk-suggestion-chip{border-radius:8px;flex:100%;gap:2px;min-width:100%;max-width:100%;padding:8px 12px}.jk-suggestion-kr{font-size:12px}.jk-suggestion-roman{font-size:9.5px}.jk-suggestion-vi{font-size:9px}}.jk-input-bar{border-top:1px solid var(--border);background:#fff;align-items:center;gap:8px;padding:12px 16px;display:flex}.jk-voice-btn{background:var(--bg);width:42px;height:42px;color:var(--text-secondary);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;transition:all .2s;display:flex}.jk-voice-btn:hover{background:var(--purple);color:var(--accent)}.jk-voice-btn.recording{background:var(--danger);color:#fff;animation:1.5s infinite jk-pulse-danger}@keyframes jk-pulse-danger{0%{box-shadow:0 0 #e53e3e66}70%{box-shadow:0 0 0 8px #e53e3e00}to{box-shadow:0 0 #e53e3e00}}.jk-chat-input{border:1px solid var(--border);background:var(--bg);border-radius:22px;outline:none;flex:1;padding:10px 18px;font-size:14px;transition:border-color .2s}.jk-chat-input:focus{border-color:var(--accent);background:#fff}.jk-send-btn{background:linear-gradient(135deg, var(--accent), var(--pink-deep));color:#fff;cursor:pointer;width:42px;height:42px;box-shadow:var(--shadow-sm);border:none;border-radius:50%;justify-content:center;align-items:center;transition:all .2s;display:flex}.jk-send-btn:hover:not(:disabled){transform:scale(1.05)}.jk-send-btn:disabled{background:var(--border);color:var(--text-muted);cursor:not-allowed;box-shadow:none}.jk-suggestion-wrapper{box-sizing:border-box;flex-direction:column;flex:calc(33.333% - 10px);gap:6px;min-width:200px;max-width:100%;display:flex}.jk-suggestion-chip{flex:1;width:100%!important}.jk-suggestion-practice-btn{color:var(--accent);cursor:pointer;box-sizing:border-box;background:#8b5cf60f;border:1.5px dashed #8b5cf64d;border-radius:10px;justify-content:center;align-items:center;gap:6px;width:100%;padding:6px 12px;font-size:11px;font-weight:700;transition:all .2s;display:inline-flex}.jk-suggestion-practice-btn:hover{background:var(--accent);color:#fff;border-style:solid;border-color:var(--accent)}.jk-practice-panel{background:#fff;border-top:1px solid #e2e8f080;flex-direction:column;gap:12px;padding:16px 20px;animation:.25s ease-out jk-slide-up;display:flex}@keyframes jk-slide-up{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}.jk-practice-header{border-bottom:1px solid #e2e8f04d;justify-content:space-between;align-items:center;padding-bottom:8px;display:flex}.jk-practice-title{color:var(--accent);text-transform:uppercase;letter-spacing:.5px;font-size:11.5px;font-weight:800}.jk-practice-close-btn{color:var(--text-secondary);cursor:pointer;background:#e2e8f080;border:none;border-radius:8px;padding:2px 8px;font-size:11px;font-weight:700;transition:all .2s}.jk-practice-close-btn:hover{color:var(--danger);background:#e53e3e14}.jk-practice-body{text-align:center;flex-direction:column;align-items:center;gap:10px;display:flex}.jk-practice-text-kr{color:var(--text);word-break:break-word;font-size:20px;font-weight:800;line-height:1.4}.jk-practice-text-vi{color:var(--text-secondary);font-size:13px;font-style:italic}.jk-practice-text-roman{color:var(--accent);opacity:.95;margin-top:-4px;font-size:14px;font-style:italic;font-weight:600}.jk-practice-audio-btn{color:var(--accent);cursor:pointer;background:#8b5cf60d;border:1px solid #8b5cf626;border-radius:50%;justify-content:center;align-items:center;margin-left:6px;padding:6px;transition:all .2s;display:inline-flex}.jk-practice-audio-btn:hover:not(:disabled){background:var(--accent);color:#fff;border-color:var(--accent);transform:scale(1.08)}.jk-practice-audio-btn:active:not(:disabled){transform:scale(.95)}.jk-practice-audio-btn:disabled{opacity:.5;cursor:not-allowed}.jk-practice-status{justify-content:center;align-items:center;min-height:24px;display:flex}.jk-practice-score-box{color:var(--text-secondary);background:#8b5cf60d;border:1.5px solid #8b5cf626;border-radius:12px;padding:8px 24px;font-size:14px;font-weight:700}.jk-practice-controls{justify-content:center;gap:12px;margin-top:4px;display:flex}@media (width<=768px){.jk-suggestion-wrapper{flex:100%;min-width:100%;max-width:100%}.jk-practice-panel{gap:8px;padding:12px 14px}.jk-practice-text-kr{font-size:16px}.jk-practice-text-vi{font-size:12px}.jk-practice-text-roman{margin-top:-2px;font-size:12px}.jk-practice-audio-btn{padding:4px}}