:root{--bg: #F8F9FA;--card: #FFFFFF;--border: #E2E8F0;--text: #0D1B2A;--text-secondary: #475569;--accent: #0EA5E9;--accent-dark: #0284C7;--success: #16A34A;--warning: #D97706;--error: #DC2626;--purple: #7C3AED;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.05);--radius: 12px;--radius-pill: 20px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:DM Sans,system-ui,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;min-height:100dvh}button{font-family:inherit;cursor:pointer;border:none;background:none}textarea{font-family:inherit}ul{list-style:none}.app{min-height:100dvh;display:flex;justify-content:center;background:var(--bg)}.screen{width:100%;max-width:480px;padding:0 16px 40px;display:flex;flex-direction:column;gap:12px}.header{display:flex;align-items:center;justify-content:space-between;padding:20px 0 12px}.header-left{display:flex;align-items:center;gap:12px}.logo{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,var(--accent) 0%,var(--accent-dark) 100%);color:#fff;font-size:18px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}.header-title{font-size:16px;font-weight:700;color:var(--text);line-height:1.2}.header-subtitle{font-size:11px;color:var(--text-secondary);margin-top:1px}.history-btn{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-pill);padding:6px 14px;font-size:13px;font-weight:600;color:var(--text-secondary);transition:border-color .15s,color .15s}.history-btn:hover{border-color:var(--accent);color:var(--accent-dark)}.hero{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px 20px;box-shadow:var(--shadow)}.hero h1{font-size:22px;font-weight:700;color:var(--text);line-height:1.3;margin-bottom:8px}.hero p{font-size:14px;color:var(--text-secondary);line-height:1.6}.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 12px;text-align:center;box-shadow:var(--shadow)}.stat-value{font-size:15px;font-weight:700;color:var(--accent-dark);line-height:1.2;margin-bottom:4px}.stat-label{font-size:11px;color:var(--text-secondary);font-weight:500}.section-label{font-size:12px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.08em;padding:4px 0 2px}.question-list{display:flex;flex-direction:column;gap:8px}.question-card{width:100%;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;text-align:left;display:flex;flex-direction:column;gap:8px;box-shadow:var(--shadow);transition:border-color .15s,box-shadow .15s,transform .1s;position:relative}.question-card:hover{border-color:var(--accent);box-shadow:var(--shadow-md);transform:translateY(-1px)}.question-card:active{transform:translateY(0)}.question-text{font-size:14px;color:var(--text);line-height:1.5;font-weight:500;padding-right:24px}.question-arrow{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--accent);font-size:18px;font-weight:300}.category-tag{display:inline-block;background:#eff6ff;color:var(--accent-dark);border:1px solid #BFDBFE;border-radius:var(--radius-pill);padding:3px 10px;font-size:11px;font-weight:600;letter-spacing:.02em;width:fit-content}.footer{text-align:center;font-size:12px;color:var(--text-secondary);padding:8px 0 4px}.back-btn{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--text-secondary);padding:8px 0;margin-top:12px;transition:color .15s}.back-btn:hover{color:var(--text)}.question-display-card{background:#eff6ff;border:1px solid #BFDBFE;border-radius:var(--radius);padding:18px 16px;display:flex;flex-direction:column;gap:10px}.question-display-text{font-size:15px;font-weight:600;color:var(--text);line-height:1.5}.hint-tip{display:flex;gap:8px;background:#ffffffb3;border-radius:8px;padding:10px 12px;font-size:13px;color:var(--text-secondary);line-height:1.5}.hint-icon{flex-shrink:0}.answer-label-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.answer-label-row label{font-size:13px;font-weight:600;color:var(--text)}.word-count{font-size:12px;font-weight:600;border-radius:var(--radius-pill);padding:3px 10px}.word-count.low{background:#fef2f2;color:var(--error)}.word-count.medium{background:#fffbeb;color:var(--warning)}.word-count.good{background:#f0fdf4;color:var(--success)}.answer-textarea{width:100%;background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);padding:14px 16px;font-size:14px;color:var(--text);line-height:1.7;resize:vertical;min-height:200px;transition:border-color .15s,box-shadow .15s;outline:none}.answer-textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #0ea5e91f}.answer-textarea::placeholder{color:#94a3b8}.answer-textarea:disabled{opacity:.6}.cta-btn{width:100%;border-radius:var(--radius-pill);padding:14px 24px;font-size:15px;font-weight:700;letter-spacing:.01em;transition:all .15s;text-align:center}.cta-btn.primary{background:linear-gradient(135deg,var(--accent) 0%,var(--accent-dark) 100%);color:#fff;box-shadow:0 2px 8px #0ea5e959}.cta-btn.primary:hover:not(:disabled){box-shadow:0 4px 14px #0ea5e973;transform:translateY(-1px)}.cta-btn.primary:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}.cta-btn.secondary{background:var(--card);color:var(--text);border:1.5px solid var(--border)}.cta-btn.secondary:hover{border-color:var(--accent);color:var(--accent-dark)}.cta-row{display:flex;flex-direction:column;gap:8px;margin-top:4px}.error-box{background:#fef2f2;border:1px solid #FCA5A5;border-radius:var(--radius);padding:12px 16px;font-size:13px;color:var(--error);font-weight:500}.loading-hint{text-align:center;font-size:13px;color:var(--text-secondary);padding:4px 0;font-style:italic}.feedback-hero{border-radius:var(--radius);padding:28px 20px;display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:12px;border:1px solid transparent}.verdict-pill{border-radius:var(--radius-pill);padding:5px 18px;font-size:13px;font-weight:700;letter-spacing:.03em}.verdict-message{font-size:14px;font-weight:500;text-align:center;line-height:1.5}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 16px;box-shadow:var(--shadow)}.card h3{font-size:13px;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.07em;margin-bottom:14px}.dimension-row{margin-bottom:12px}.dimension-row:last-child{margin-bottom:0}.dimension-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:5px}.dimension-name{font-size:13px;font-weight:500;color:var(--text)}.dimension-score{font-size:12px;font-weight:700;color:var(--text-secondary)}.dimension-bar-bg{width:100%;height:6px;background:var(--border);border-radius:99px;overflow:hidden}.dimension-bar-fill{height:100%;border-radius:99px;transition:width .6s cubic-bezier(.4,0,.2,1)}.feedback-card{background:var(--card);border:1px solid var(--border);border-left-width:3px;border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}.feedback-card-title{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;margin-bottom:10px}.feedback-bullets{display:flex;flex-direction:column;gap:8px}.feedback-bullets li{display:flex;gap:8px;align-items:flex-start;font-size:13.5px;color:var(--text);line-height:1.55}.bullet-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0;margin-top:6px}.screen-title{font-size:20px;font-weight:700;padding:4px 0}.history-list{display:flex;flex-direction:column;gap:8px}.history-card{width:100%;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;text-align:left;display:flex;flex-direction:column;gap:8px;box-shadow:var(--shadow);transition:border-color .15s,transform .1s}.history-card:hover{border-color:var(--accent);transform:translateY(-1px)}.history-meta{display:flex;align-items:center;justify-content:space-between;gap:8px}.history-time{font-size:11px;color:var(--text-secondary)}.history-question{font-size:13px;color:var(--text);line-height:1.4;font-weight:500}.history-score-row{display:flex;align-items:center;gap:8px}.score-badge{border-radius:var(--radius-pill);padding:3px 10px;font-size:12px;font-weight:700}.verdict-text{font-size:12px;color:var(--text-secondary);font-weight:500}.empty-state{text-align:center;color:var(--text-secondary);font-size:15px;padding:48px 20px;background:var(--card);border-radius:var(--radius);border:1px dashed var(--border)}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:inline-block;vertical-align:middle;margin-right:8px}.type-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.type-card{background:var(--type-bg, #EFF6FF);border:1.5px solid var(--type-border, #BFDBFE);border-radius:var(--radius);padding:16px 14px;text-align:left;display:flex;flex-direction:column;gap:5px;cursor:pointer;transition:transform .1s,box-shadow .15s,border-color .15s}.type-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--type-color, var(--accent))}.type-card:active{transform:translateY(0)}.type-icon{font-size:24px;line-height:1;margin-bottom:2px}.type-label{font-size:14px;font-weight:700;color:var(--text);line-height:1.2}.type-desc{font-size:11.5px;color:var(--text-secondary);line-height:1.4}.type-count{font-size:11px;font-weight:600;margin-top:4px}.type-header-banner{display:flex;align-items:center;gap:12px;border:1.5px solid;border-radius:var(--radius);padding:14px 16px}.type-banner-icon{font-size:28px;flex-shrink:0}.type-banner-label{font-size:15px;font-weight:700;line-height:1.2}.type-banner-desc{font-size:12px;color:var(--text-secondary);margin-top:2px}.cta-btn.voice{background:#f5f3ff;color:#7c3aed;border:1.5px solid #DDD6FE;border-radius:var(--radius-pill);padding:13px 24px;font-size:15px;font-weight:700;width:100%;transition:all .15s}.cta-btn.voice:hover:not(:disabled){background:#ede9fe;border-color:#7c3aed}.or-divider{display:flex;align-items:center;gap:12px;color:var(--text-secondary);font-size:12px;font-weight:500}.or-divider:before,.or-divider:after{content:"";flex:1;height:1px;background:var(--border)}.voice-orb-container{display:flex;justify-content:center;align-items:center;padding:32px 0 16px}.voice-orb{width:140px;height:140px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;transition:all .3s}.voice-orb.idle{background:#f1f5f9;border:3px solid var(--border)}.voice-orb.connecting{background:#f5f3ff;border:3px solid #DDD6FE;animation:pulse-slow 2s ease-in-out infinite}.voice-orb.ai-speaking{background:#eff6ff;border:3px solid var(--accent);animation:pulse-ai 1s ease-in-out infinite;box-shadow:0 0 #0ea5e966}.voice-orb.user-speaking{background:#f0fdf4;border:3px solid #16A34A;animation:pulse-user .6s ease-in-out infinite;box-shadow:0 0 #16a34a66}.voice-orb-label{font-size:12px;font-weight:600;color:var(--text-secondary);text-align:center;padding:0 12px}@keyframes pulse-slow{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.03);opacity:.85}}@keyframes pulse-ai{0%{box-shadow:0 0 #0ea5e966}70%{box-shadow:0 0 0 20px #0ea5e900}to{box-shadow:0 0 #0ea5e900}}@keyframes pulse-user{0%{box-shadow:0 0 #16a34a66}70%{box-shadow:0 0 0 16px #16a34a00}to{box-shadow:0 0 #16a34a00}}.voice-transcript{display:flex;flex-direction:column;gap:8px}.voice-transcript-scroll{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:14px;max-height:260px;overflow-y:auto;display:flex;flex-direction:column;gap:12px}.transcript-line{display:flex;flex-direction:column;gap:3px}.transcript-line.ai{align-items:flex-start}.transcript-line.user{align-items:flex-end}.transcript-role{font-size:11px;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.transcript-text{font-size:13.5px;line-height:1.55;color:var(--text);background:var(--bg);border-radius:10px;padding:8px 12px;max-width:92%}.transcript-line.ai .transcript-text{background:#eff6ff;border-bottom-left-radius:3px}.transcript-line.user .transcript-text{background:#f0fdf4;border-bottom-right-radius:3px}.voice-tip{text-align:center;font-size:12.5px;color:var(--text-secondary);font-style:italic;min-height:18px}.type-card:last-child:nth-child(odd){grid-column:1 / -1}@media (min-width: 520px){.screen{padding:0 24px 48px}.hero h1{font-size:24px}}@media (min-width: 600px){.app{padding:0 16px}.screen{max-width:640px}}