:root{--bg-dark: #09090b;--glass-bg: rgba(24, 24, 27, .65);--glass-border: rgba(255, 255, 255, .08);--glass-border-light: rgba(255, 255, 255, .15);--primary: #6366f1;--primary-hover: #4f46e5;--accent: #8b5cf6;--text-main: #f8fafc;--text-muted: #94a3b8;--danger: #ef4444;--success: #10b981;--card-bg: rgba(30, 30, 35, .4);--panel-border: rgba(255, 255, 255, .05)}*{margin:0;padding:0;box-sizing:border-box}body,html{width:100%;height:100vh;font-family:Inter,system-ui,-apple-system,sans-serif;color:var(--text-main);overflow:hidden;background-color:var(--bg-dark)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#0000001a;border-radius:4px}::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#ffffff40}.dynamic-bg{position:absolute;top:0;left:0;right:0;bottom:0;z-index:0;background:radial-gradient(circle at 20% 30%,rgba(99,102,241,.15) 0%,transparent 40%),radial-gradient(circle at 80% 70%,rgba(139,92,246,.15) 0%,transparent 40%);animation:pulse 12s infinite alternate ease-in-out}.stage-glow{position:absolute;top:50%;left:20%;transform:translate(-50%,-50%);width:400px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(99,102,241,.08) 0%,transparent 70%);z-index:1;pointer-events:none}@keyframes pulse{0%{transform:scale(1) translate(0);opacity:.8}to{transform:scale(1.1) translate(2%,2%);opacity:1}}.app-container{display:flex;width:100%;height:100vh;position:relative;z-index:2}.glass-container{background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);height:100%;display:flex;flex-direction:column;border-radius:0}.panel{height:100%;transition:width .1s ease}.left-panel{flex:0 0 22%;min-width:220px;padding:16px 8px 16px 16px}.left-panel .glass-container{border-radius:24px;overflow:hidden;position:relative;box-shadow:0 25px 50px -12px #00000080;background:url(assets/chalkboard_bg.png) no-repeat center/cover!important}.right-panel{flex:1;padding:16px 16px 16px 8px}.right-panel .glass-container{border-radius:24px;overflow:hidden;box-shadow:0 25px 50px -12px #00000080}.divider{width:16px;display:flex;justify-content:center;align-items:center;cursor:col-resize;z-index:10}.divider-handle{width:4px;height:40px;background:var(--glass-border);border-radius:2px;transition:all .3s cubic-bezier(.4,0,.2,1)}.divider:hover .divider-handle{background:var(--primary);box-shadow:0 0 10px #6366f180;height:60px}.action-buttons{display:flex;gap:8px}.icon-btn{background:#0003;border:1px solid var(--glass-border);color:var(--text-main);width:36px;height:36px;border-radius:50%;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);display:inline-flex;justify-content:center;align-items:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.icon-btn:hover{background:#ffffff26;transform:translateY(-2px);color:var(--primary);border-color:#fff3}.live2d-placeholder{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;justify-content:center;align-items:center;overflow:hidden}.placeholder-character{text-align:center;color:var(--text-muted);opacity:.6}.placeholder-character i{font-size:8rem;margin-bottom:16px;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;color:transparent;filter:drop-shadow(0 10px 15px rgba(99,102,241,.2))}.assistant-console{margin:16px;background:#0f172a80;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--glass-border-light);border-radius:24px;padding:16px;box-shadow:0 10px 30px #0000004d;display:flex;flex-direction:column;gap:12px}.tutor-dialogue{background:#ffffff08;padding:12px 16px;border-radius:12px;border-left:3px solid var(--primary)}.tutor-dialogue p{font-size:.95rem;line-height:1.5;color:var(--text-main);text-shadow:0 1px 2px rgba(0,0,0,.5)}.input-glass{display:flex;align-items:center;background:#0006;border:1px solid var(--glass-border);border-radius:30px;padding:6px;transition:border-color .3s}.input-glass:focus-within{border-color:var(--primary);box-shadow:0 0 15px #6366f133}.mic-btn{background:transparent;border:none;color:var(--text-muted);width:40px;height:40px;border-radius:50%;cursor:pointer;transition:color .2s,transform .2s}.mic-btn:hover{color:var(--primary);transform:scale(1.1)}.user-input{flex:1;background:transparent;border:none;color:var(--text-main);font-size:.95rem;padding:0 12px;outline:none;font-family:inherit}.send-btn{background:linear-gradient(135deg,var(--primary),var(--accent));border:none;color:#fff;width:40px;height:40px;border-radius:50%;cursor:pointer;transition:all .3s;display:flex;justify-content:center;align-items:center;box-shadow:0 4px 10px #6366f166}.send-btn:hover{transform:scale(1.08) rotate(-5deg);box-shadow:0 6px 15px #6366f199}.subtitle-overlay{position:absolute;top:20px;left:16px;right:16px;z-index:20;background:#0a0c14cc;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(99,102,241,.35);border-radius:16px;padding:14px 18px;box-shadow:0 8px 32px #0006,0 0 0 1px #ffffff0a;display:none;max-height:260px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:rgba(99,102,241,.4) transparent}.subtitle-overlay.active{display:block}.subtitle-overlay::-webkit-scrollbar{width:4px}.subtitle-overlay::-webkit-scrollbar-track{background:transparent}.subtitle-overlay::-webkit-scrollbar-thumb{background:#6366f166;border-radius:4px}.subtitle-text{font-size:1.05rem;line-height:1.7;color:#e2e8f0;text-shadow:0 1px 3px rgba(0,0,0,.6);overflow-wrap:break-word;white-space:pre-wrap}.chat-history{position:absolute;bottom:90px;left:16px;right:16px;z-index:15;max-height:350px;overflow-y:auto;display:flex;flex-direction:column;gap:8px;padding-right:4px;scrollbar-width:thin;scrollbar-color:rgba(99,102,241,.4) transparent}.chat-history::-webkit-scrollbar{width:4px}.chat-history::-webkit-scrollbar-track{background:transparent}.chat-history::-webkit-scrollbar-thumb{background:#6366f166;border-radius:4px}.chat-bubble{padding:10px 14px;border-radius:14px;font-size:.95rem;line-height:1.5;max-width:85%;animation:fadeIn .3s ease;word-break:break-word}.chat-bubble.user{align-self:flex-end;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border-bottom-right-radius:4px;box-shadow:0 4px 10px #6366f133}.chat-bubble.ai{align-self:flex-start;background:#0a0c14d9;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);color:#e2e8f0;border-bottom-left-radius:4px;box-shadow:0 4px 10px #0000004d}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.input-section{position:absolute;bottom:0;left:0;right:0;padding:12px 16px;z-index:20;background:linear-gradient(to top,rgba(9,9,11,.9) 60%,transparent)}.content-header{display:flex;justify-content:space-between;align-items:center;padding:14px 24px;border-bottom:1px solid var(--panel-border);background:#00000026}.header-actions{display:flex;gap:12px;align-items:center}.segmented-control{display:flex;background:#0006;border-radius:12px;padding:4px;border:1px solid var(--glass-border)}.segment-btn{background:transparent;border:none;color:var(--text-muted);padding:8px 16px;border-radius:8px;font-size:.9rem;font-weight:500;cursor:pointer;transition:all .3s;display:flex;align-items:center;gap:8px;font-family:inherit}.segment-btn.active{background:#ffffff1a;color:var(--text-main);box-shadow:0 2px 8px #0003}.segment-btn:hover:not(.active){color:var(--text-main)}.custom-select{background:#0006;border:1px solid var(--glass-border);color:var(--text-main);padding:8px 16px;border-radius:8px;outline:none;font-size:.9rem;cursor:pointer;transition:border-color .2s;font-family:inherit}.custom-select:hover{border-color:#ffffff40}.custom-select option{background:var(--bg-dark);color:var(--text-main)}.primary-btn{background:linear-gradient(135deg,var(--success),#059669);border:none;color:#fff;padding:8px 16px;border-radius:8px;font-weight:500;cursor:pointer;display:flex;align-items:center;gap:8px;transition:all .2s;font-family:inherit;font-size:.9rem}.primary-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px #10b98166}.app-title-bar{padding:16px 24px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--panel-border);background:#ffffff05}.title-left{display:flex;align-items:center;gap:16px}.title-icon{width:44px;height:44px;background:linear-gradient(135deg,#6366f133,#8b5cf633);border:1px solid rgba(99,102,241,.3);border-radius:12px;display:flex;justify-content:center;align-items:center;color:var(--primary);font-size:1.4rem;box-shadow:0 4px 15px #6366f133}.title-left h2{font-size:1.25rem;font-weight:600;color:#fff;margin-bottom:2px}.title-left .subtitle{font-size:.85rem;color:var(--text-muted)}.status-badge{display:flex;align-items:center;gap:6px;font-size:.85rem;color:var(--text-muted);background:#0000004d;padding:6px 12px;border-radius:20px}.status-badge .dot{width:6px;height:6px;border-radius:50%}.status-badge .dot.success{background:var(--success);box-shadow:0 0 5px var(--success)}.generator-layout{display:flex;flex:1;overflow:hidden}.generator-sidebar{width:280px;display:flex;flex-direction:column;background:#00000026;border-right:1px solid var(--panel-border)}.sidebar-header{padding:16px 20px;border-bottom:1px solid var(--panel-border)}.sidebar-header h3{font-size:1rem;font-weight:600;display:flex;align-items:center;gap:8px;color:#fff}.sidebar-body{flex:1;overflow-y:auto;padding:16px 20px;display:flex;flex-direction:column;gap:16px}.sidebar-section{display:flex;flex-direction:column;gap:8px}.section-label{font-size:.85rem;color:var(--text-muted);font-weight:500}.full-width{width:100%}.options-header{display:flex;gap:12px;font-size:.8rem;color:var(--primary);font-weight:500;margin-top:8px}.options-header span{cursor:pointer;transition:color .2s}.options-header span:hover{color:var(--primary-hover);text-decoration:underline}.checkbox-list{display:flex;flex-direction:column;gap:12px}.custom-checkbox{display:flex;align-items:center;gap:10px;cursor:pointer;position:relative;-webkit-user-select:none;-moz-user-select:none;user-select:none}.custom-checkbox input{position:absolute;opacity:0;cursor:pointer;height:0;width:0}.checkmark{width:20px;height:20px;background:#0006;border:1px solid rgba(255,255,255,.2);border-radius:6px;display:flex;justify-content:center;align-items:center;transition:all .2s}.checkmark i{opacity:0;color:#fff;font-size:.75rem;transform:scale(.5);transition:all .2s cubic-bezier(.175,.885,.32,1.275)}.custom-checkbox:hover .checkmark{border-color:#fff6}.custom-checkbox input:checked~.checkmark{background:var(--primary);border-color:var(--primary)}.custom-checkbox input:checked~.checkmark i{opacity:1;transform:scale(1)}.label-text{font-size:.9rem;color:#cbd5e1;transition:color .2s}.custom-checkbox input:checked~.label-text{color:#fff}.sidebar-bottom{padding:16px 20px;border-top:1px solid var(--panel-border);background:#00000040;display:flex;flex-direction:column;gap:12px}.glass-input-number{background:#0006;border:1px solid var(--glass-border);color:#fff;padding:10px;border-radius:8px;text-align:center;font-size:1rem;width:100%;outline:none;transition:border .3s}.glass-input-number:focus{border-color:var(--primary)}.generate-btn{background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;border:none;padding:12px;border-radius:10px;font-weight:600;font-size:1rem;cursor:pointer;display:flex;justify-content:center;align-items:center;gap:8px;transition:all .2s;box-shadow:0 4px 15px #3b82f64d}.generate-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #3b82f680}.generator-results{flex:1;display:flex;flex-direction:column;background:#ffffff03}.results-header{padding:16px 24px;border-bottom:1px solid var(--panel-border);display:flex;justify-content:space-between;align-items:center}.results-header h3{font-size:1rem;font-weight:600;display:flex;align-items:center;gap:8px}.text-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;font-size:.9rem;display:flex;align-items:center;gap:6px;transition:color .2s}.text-btn:hover{color:#fff}.results-list{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:20px}.question-card{background:var(--card-bg);border:1px solid var(--panel-border);border-radius:16px;padding:20px;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.question-card:after{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:#ffffff1a;transition:background .3s}.question-card:hover{transform:translateY(-3px);box-shadow:0 10px 30px #0000004d;border-color:#ffffff14;background:#23232d99}.question-card:hover:after{background:var(--primary)}.q-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.q-number{font-weight:600;color:var(--primary);font-size:.9rem;background:#6366f126;padding:4px 10px;border-radius:12px;border:1px solid rgba(99,102,241,.2)}.q-meta{font-size:.8rem;color:var(--text-muted)}.q-body{font-size:1.05rem;line-height:1.6;color:#e2e8f0;margin-bottom:20px;letter-spacing:.5px}.q-footer{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--panel-border);padding-top:16px;margin-top:auto}.q-answer{font-size:.95rem;color:var(--text-muted)}.ans-value{color:var(--success);font-weight:600;font-size:1.1rem;margin-left:4px}.voice-btn{background:#8b5cf626;border:1px solid rgba(139,92,246,.3);color:#c4b5fd;padding:8px 16px;border-radius:20px;font-size:.85rem;font-weight:500;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:8px}.voice-btn:hover{background:var(--accent);color:#fff;transform:translateY(-2px);box-shadow:0 4px 12px #8b5cf666}