@import"https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600;700&family=DM+Mono:wght@400;500&display=swap";:root{--accent: #6366f1;--accent-hover: #5254cc;--accent-soft: rgba(99,102,241,.12);--accent-glow: rgba(99,102,241,.3);--green: #22c55e;--green-soft: rgba(34,197,94,.12);--red: #ef4444;--red-soft: rgba(239,68,68,.12);--amber: #f59e0b;--amber-soft: rgba(245,158,11,.12);--radius: 12px;--radius-lg: 18px;--radius-xl: 24px;--font: "DM Sans", sans-serif;--mono: "DM Mono", monospace;--transition: .2s cubic-bezier(.4,0,.2,1)}[data-theme=dark]{--bg: #0a0a0f;--bg2: #111118;--bg3: #1a1a24;--bg4: #22222f;--border: rgba(255,255,255,.08);--border-strong: rgba(255,255,255,.15);--text: #f0f0f8;--text2: #9090a8;--text3: #5a5a70;--card-shadow: 0 4px 24px rgba(0,0,0,.4)}[data-theme=light]{--bg: #f6f6fb;--bg2: #ffffff;--bg3: #ededf5;--bg4: #e0e0ec;--border: rgba(0,0,0,.08);--border-strong: rgba(0,0,0,.15);--text: #0a0a1a;--text2: #5a5a78;--text3: #9090a8;--card-shadow: 0 4px 24px rgba(0,0,0,.08)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;transition:background var(--transition),color var(--transition);line-height:1.6}.navbar{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:60px;background:var(--bg2);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.nav-brand{display:flex;align-items:center;gap:10px;cursor:pointer;text-decoration:none}.nav-title{font-size:1.1rem;font-weight:700;color:var(--text);letter-spacing:-.02em}.nav-links{display:flex;align-items:center;gap:4px}.nav-btn{background:none;border:none;color:var(--text2);padding:6px 14px;border-radius:8px;cursor:pointer;font-family:var(--font);font-size:.88rem;font-weight:500;transition:all var(--transition)}.nav-btn:hover{background:var(--bg3);color:var(--text)}.nav-btn.active{background:var(--accent-soft);color:var(--accent)}.theme-toggle{background:var(--bg3);border:1px solid var(--border);border-radius:8px;padding:6px 10px;cursor:pointer;font-size:1rem;margin-left:4px;transition:all var(--transition)}.theme-toggle:hover{background:var(--bg4)}.main-content{max-width:900px;margin:0 auto;padding:32px 20px}.home-hero{text-align:center;padding:48px 0 40px;animation:fadeUp .6s ease both}.hero-badge{display:inline-flex;align-items:center;gap:6px;background:var(--accent-soft);color:var(--accent);border:1px solid var(--accent-glow);padding:4px 14px;border-radius:99px;font-size:.78rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;margin-bottom:20px}.hero-title{font-size:clamp(2rem,5vw,3.2rem);font-weight:700;letter-spacing:-.03em;line-height:1.15;margin-bottom:16px;color:var(--text)}.hero-title span{background:linear-gradient(135deg,var(--accent),#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-sub{font-size:1.05rem;color:var(--text2);max-width:480px;margin:0 auto 40px;line-height:1.7}.config-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-xl);padding:32px;box-shadow:var(--card-shadow);animation:fadeUp .6s ease .1s both}.config-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}@media(max-width:600px){.config-grid{grid-template-columns:1fr}}.config-section{display:flex;flex-direction:column;gap:10px}.config-label{font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text3)}.config-select{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius);padding:10px 14px;color:var(--text);font-family:var(--font);font-size:.92rem;cursor:pointer;transition:border-color var(--transition);outline:none;width:100%}.config-select:focus{border-color:var(--accent)}.pill-group{display:flex;flex-wrap:wrap;gap:8px}.pill{padding:6px 14px;border-radius:99px;border:1px solid var(--border);background:var(--bg3);color:var(--text2);font-size:.82rem;font-weight:500;cursor:pointer;transition:all var(--transition)}.pill:hover{border-color:var(--accent);color:var(--accent)}.pill.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.divider{grid-column:1 / -1;height:1px;background:var(--border);margin:4px 0}.upload-zone{grid-column:1 / -1;border:2px dashed var(--border);border-radius:var(--radius);padding:24px;text-align:center;cursor:pointer;transition:all var(--transition);background:var(--bg3)}.upload-zone:hover,.upload-zone.drag{border-color:var(--accent);background:var(--accent-soft)}.upload-zone .upload-icon{font-size:2rem;margin-bottom:8px}.upload-zone p{color:var(--text2);font-size:.88rem}.upload-zone p span{color:var(--accent);font-weight:600;cursor:pointer}.upload-zone.has-file{border-color:var(--green);background:var(--green-soft)}.upload-zone.has-file p{color:var(--green)}.start-btn{grid-column:1 / -1;padding:14px 32px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);font-family:var(--font);font-size:1rem;font-weight:600;cursor:pointer;transition:all var(--transition);display:flex;align-items:center;justify-content:center;gap:8px;width:100%}.start-btn:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 8px 24px var(--accent-glow)}.start-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.interview-layout{display:flex;flex-direction:column;gap:20px}.interview-header{display:flex;align-items:center;justify-content:space-between;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px 20px}.interview-meta{display:flex;align-items:center;gap:16px}.meta-badge{display:flex;align-items:center;gap:6px;font-size:.8rem;font-weight:600;color:var(--text2)}.meta-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--green);animation:pulse 2s infinite}.progress-bar{flex:1;height:4px;background:var(--bg4);border-radius:99px;overflow:hidden;max-width:200px}.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),#a78bfa);border-radius:99px;transition:width .5s ease}.chat-window{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;display:flex;flex-direction:column;min-height:480px}.chat-messages{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:16px}.chat-messages::-webkit-scrollbar{width:4px}.chat-messages::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.msg{display:flex;gap:12px;animation:fadeUp .3s ease}.msg.user{flex-direction:row-reverse}.msg-avatar{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0}.msg.ai .msg-avatar{background:var(--accent-soft)}.msg.user .msg-avatar{background:var(--bg4)}.msg-bubble{max-width:80%;padding:12px 16px;border-radius:16px;font-size:.92rem;line-height:1.65}.msg.ai .msg-bubble{background:var(--bg3);border:1px solid var(--border);border-top-left-radius:4px;color:var(--text)}.msg.user .msg-bubble{background:var(--accent);color:#fff;border-top-right-radius:4px}.msg-time{font-size:.68rem;color:var(--text3);margin-top:4px}.typing-indicator{display:flex;gap:4px;padding:4px 0}.typing-dot{width:6px;height:6px;border-radius:50%;background:var(--text3);animation:typing 1.2s ease-in-out infinite}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}.chat-input-area{border-top:1px solid var(--border);padding:16px;display:flex;gap:12px;align-items:flex-end;background:var(--bg2)}.chat-textarea{flex:1;background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius);padding:12px 16px;color:var(--text);font-family:var(--font);font-size:.92rem;resize:none;outline:none;min-height:44px;max-height:160px;transition:border-color var(--transition);line-height:1.5}.chat-textarea:focus{border-color:var(--accent)}.chat-textarea::placeholder{color:var(--text3)}.send-btn{width:44px;height:44px;border-radius:var(--radius);background:var(--accent);border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition);flex-shrink:0}.send-btn:hover{background:var(--accent-hover);transform:scale(1.05)}.send-btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.end-btn{padding:8px 16px;background:var(--red-soft);border:1px solid var(--red);border-radius:var(--radius);color:var(--red);font-family:var(--font);font-size:.82rem;font-weight:600;cursor:pointer;transition:all var(--transition)}.end-btn:hover{background:var(--red);color:#fff}.results-layout{display:flex;flex-direction:column;gap:24px}.score-hero{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-xl);padding:40px;text-align:center;animation:fadeUp .5s ease}.score-ring{width:140px;height:140px;margin:0 auto 24px;position:relative}.score-ring svg{transform:rotate(-90deg)}.score-number{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}.score-value{font-size:2.8rem;font-weight:700;letter-spacing:-.04em;line-height:1}.score-label{font-size:.75rem;color:var(--text3);font-weight:500}.score-title{font-size:1.5rem;font-weight:700;margin-bottom:8px;letter-spacing:-.02em}.score-sub{color:var(--text2);font-size:.95rem}.feedback-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:600px){.feedback-grid{grid-template-columns:1fr}}.feedback-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;animation:fadeUp .5s ease both}.feedback-card-title{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px;display:flex;align-items:center;gap:6px}.feedback-card.strengths .feedback-card-title{color:var(--green)}.feedback-card.improve .feedback-card-title{color:var(--amber)}.feedback-card.tips .feedback-card-title{color:var(--accent)}.feedback-card.next .feedback-card-title{color:var(--text2)}.feedback-list{list-style:none;display:flex;flex-direction:column;gap:8px}.feedback-list li{font-size:.87rem;color:var(--text2);padding-left:16px;position:relative;line-height:1.5}.feedback-list li:before{content:"→";position:absolute;left:0;color:var(--accent);font-size:.75rem}.results-actions{display:flex;gap:12px;flex-wrap:wrap}.btn-primary{flex:1;padding:12px 24px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);font-family:var(--font);font-size:.92rem;font-weight:600;cursor:pointer;transition:all var(--transition);display:flex;align-items:center;justify-content:center;gap:8px;min-width:140px}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px)}.btn-secondary{flex:1;padding:12px 24px;background:var(--bg3);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);font-family:var(--font);font-size:.92rem;font-weight:600;cursor:pointer;transition:all var(--transition);display:flex;align-items:center;justify-content:center;gap:8px;min-width:140px}.btn-secondary:hover{background:var(--bg4);border-color:var(--border-strong)}.history-layout{display:flex;flex-direction:column;gap:20px}.history-header{display:flex;align-items:center;justify-content:space-between}.history-title{font-size:1.4rem;font-weight:700;letter-spacing:-.02em}.history-empty{text-align:center;padding:80px 20px;color:var(--text3)}.history-empty .empty-icon{font-size:3rem;margin-bottom:16px}.history-empty p{font-size:.95rem}.history-list{display:flex;flex-direction:column;gap:12px}.history-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;display:flex;align-items:center;gap:16px;transition:all var(--transition);cursor:pointer}.history-card:hover{border-color:var(--accent);transform:translate(4px)}.history-score{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;font-weight:700;flex-shrink:0}.history-info{flex:1}.history-role{font-weight:600;font-size:.95rem;margin-bottom:3px}.history-meta{font-size:.78rem;color:var(--text3);display:flex;gap:12px}.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}@media(max-width:600px){.stats-row{grid-template-columns:1fr}}.stat-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;text-align:center}.stat-value{font-size:2rem;font-weight:700;letter-spacing:-.03em;color:var(--accent)}.stat-label{font-size:.78rem;color:var(--text3);margin-top:4px;font-weight:500;text-transform:uppercase;letter-spacing:.05em}.streaming-cursor{display:inline-block;width:2px;height:14px;background:var(--accent);margin-left:2px;vertical-align:middle;animation:blink 1s step-end infinite}@keyframes fadeUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}@keyframes typing{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-6px)}}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}@keyframes spin{to{transform:rotate(360deg)}}.app-root{min-height:100vh;display:flex;flex-direction:column}