:root{--page-bg: #ffffff;--surface: #ffffff;--surface-sunken: #f5f5f7;--player-track: #e6e6eb;--hairline: rgba(0, 0, 0, .08);--hairline-strong: rgba(0, 0, 0, .14);--text: #1c1c1e;--text-2: #6e6e73;--text-3: #a1a1a6;--accent: #007aff;--accent-press: #0a6cd8;--brand-1: #5b8cff;--brand-2: #9b6dff;--brand-3: #ec5cc0;--brand-gradient: linear-gradient(120deg, #5b8cff 0%, #9b6dff 48%, #ec5cc0 100%);--brand-glow: rgba(150, 110, 245, .2);--danger: #ff3b30;--danger-bg: #fdecec;--shadow-card: 0 1px 3px rgba(0, 0, 0, .05), 0 14px 32px rgba(0, 0, 0, .05);--shadow-soft: 0 1px 2px rgba(0, 0, 0, .04), 0 6px 16px rgba(0, 0, 0, .045);color:var(--text);background:var(--page-bg);font-family:Inter,-apple-system,BlinkMacSystemFont,SF Pro Display,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:var(--page-bg)}button,textarea,input,select{font:inherit}button{-webkit-tap-highlight-color:transparent}.hero-panel{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;width:min(100%,820px);min-height:100vh;margin:0 auto;padding:clamp(120px,20vh,200px) 24px 48px;text-align:center}.hero-panel:before{content:"";position:absolute;top:clamp(70px,14vh,150px);left:50%;width:min(560px,82vw);height:300px;transform:translate(-50%);background:radial-gradient(50% 50% at 50% 38%,var(--brand-glow),transparent 72%);filter:blur(34px);pointer-events:none;z-index:0}.hero-panel>*{position:relative;z-index:1}.hero-logo{width:clamp(58px,8vw,82px);height:auto;margin-bottom:20px;filter:drop-shadow(0 10px 26px rgba(150,110,245,.3))}.hero-panel h1{margin:0 0 10px;color:var(--text);font-size:clamp(1.7rem,3vw,2.3rem);font-weight:500;line-height:1.2;letter-spacing:-.02em}.hero-tagline{margin:0 0 28px;color:var(--text-2);font-size:1rem;letter-spacing:.01em}.hero-input-wrap{display:grid;gap:14px;width:min(100%,700px)}.hero-prompts{display:flex;flex-wrap:wrap;justify-content:center;gap:9px;width:min(100%,700px);margin-top:14px}.hero-prompt-chip{padding:8px 14px;border:1px solid var(--hairline-strong);border-radius:999px;background:var(--surface);color:var(--text-2);font-size:.86rem;cursor:pointer;transition:border-color .13s ease,background .13s ease,color .13s ease}.hero-prompt-chip:hover:not(:disabled){border-color:var(--text-3);background:var(--surface-sunken);color:var(--text)}.hero-prompt-chip:disabled{opacity:.6;cursor:default}.chat-input-shell{position:relative;display:flex;flex-direction:column;gap:2px;width:100%;padding:12px 14px 10px;border:1px solid var(--hairline);border-radius:26px;background:var(--surface);box-shadow:var(--shadow-soft);transition:border-color .16s ease,box-shadow .16s ease}.chat-input-shell:focus-within{border-color:#966ef566;box-shadow:0 1px 2px #0000000a,0 12px 30px #966ef51f}.chat-input-shell.voice-active textarea{display:none}.chat-input-shell textarea{width:100%;min-width:0;min-height:28px;max-height:200px;padding:8px 10px 2px;border:0;outline:none;resize:none;background:transparent;color:var(--text);font-size:1.02rem;line-height:1.5;overflow-y:auto}.chat-input-bar{display:flex;align-items:center;gap:8px;width:100%;min-height:36px;padding:0 2px}.chat-input-bar:not(.recording){justify-content:flex-end}.chat-input-shell textarea::placeholder{color:var(--text-3)}.chat-input-shell textarea:disabled{cursor:not-allowed;opacity:.6}.send-button{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:36px;height:36px;border:0;border-radius:999px;background:var(--brand-gradient);color:#fff;cursor:pointer;transition:filter .15s ease,opacity .15s ease,transform .15s ease}.send-button:hover:not(:disabled){filter:brightness(1.06) saturate(1.05);transform:translateY(-1px)}.send-button:active:not(:disabled){transform:translateY(0) scale(.96)}.send-button:disabled{cursor:not-allowed;background:#c7c7cc}.send-icon{width:22px;height:22px;transform:translateY(-1px)}.mic-button,.voice-cancel,.voice-done{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:36px;height:36px;padding:0;border:0;border-radius:999px;background:transparent;color:var(--text-2);cursor:pointer;transition:background .15s ease,color .15s ease,transform .15s ease}.voice-done{color:var(--accent)}.mic-button:hover:not(:disabled),.voice-cancel:hover:not(:disabled),.voice-done:hover:not(:disabled){background:var(--surface-sunken);color:var(--text);transform:translateY(-1px)}.voice-done:hover:not(:disabled){color:var(--accent-press)}.mic-button:disabled,.voice-cancel:disabled,.voice-done:disabled{cursor:not-allowed;opacity:.4}.mic-icon{width:22px;height:22px}.mic-spinner{width:18px;height:18px;border:2px solid rgba(0,0,0,.14);border-top-color:var(--text);border-radius:999px;animation:spin .8s linear infinite}.voice-recording-panel{flex:1 1 auto;display:flex;align-items:center;gap:12px;min-width:0;height:36px;padding:0 4px}.voice-status-dot{flex:0 0 auto;width:8px;height:8px;border-radius:999px;background:var(--text-3)}.voice-status-dot.active{background:var(--danger);animation:mic-pulse 1s ease-in-out infinite}.voice-status-text{display:inline-flex;align-items:center;gap:9px;color:var(--text-2);font-size:.9rem;font-weight:550;white-space:nowrap}.voice-waveform-wrap,.voice-waveform{flex:1 1 auto;min-width:0;height:32px}.voice-waveform{display:block;width:100%}.voice-recording-time{flex:0 0 auto;min-width:40px;color:var(--text-3);font-size:.8rem;font-variant-numeric:tabular-nums;text-align:right}.chat-view{position:relative;display:flex;flex-direction:column;width:100%;height:100vh;height:100dvh}.chat-scroll{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:44px 24px 150px}.message-list{display:grid;gap:20px;width:min(100%,760px);margin:0 auto}.message-sequence{display:contents}.chat-message{display:flex;width:100%;animation:message-in .38s cubic-bezier(.22,1,.36,1) both}.chat-message.user{justify-content:flex-end}.chat-message.assistant{justify-content:flex-start}.message-content{width:fit-content;max-width:min(74%,560px);padding:11px 15px;border-radius:20px;background:var(--surface-sunken);color:var(--text);overflow-wrap:anywhere}.chat-message.user .message-content{padding:10px 16px;border-radius:22px;background:var(--surface-sunken);color:var(--text)}.chat-message.assistant .message-content{width:min(100%,680px);max-width:88%;padding:2px 0;border-radius:0;background:transparent}.chat-message.assistant .message-content>p{color:var(--text);line-height:1.68}.assistant-markdown{display:grid;gap:10px;color:var(--text)}.assistant-markdown p,.assistant-markdown ul,.assistant-markdown ol{margin:0;line-height:1.68;overflow-wrap:anywhere}.assistant-markdown ul,.assistant-markdown ol{padding-left:1.35rem}.assistant-markdown li+li{margin-top:5px}.assistant-markdown strong{color:var(--text);font-weight:680}.message-actions{display:flex;gap:2px;margin-top:7px;opacity:0;transition:opacity .14s ease}.chat-message.assistant:hover .message-actions,.message-actions:focus-within{opacity:1}.msg-action{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border:0;border-radius:8px;background:transparent;color:var(--text-3);cursor:pointer;transition:background .13s ease,color .13s ease}.msg-action:hover{background:var(--surface-sunken);color:var(--text-2)}@media(hover:none){.message-actions{opacity:1}}.chat-message.error .message-content{max-width:min(88%,560px);padding:11px 15px;border:1px solid rgba(255,59,48,.22);border-radius:16px;background:var(--danger-bg);color:#c4271f}.chat-message.error .message-content>p{color:inherit}.message-content p{margin:0;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.58}.inline-create-button{display:inline-flex;align-items:center;gap:7px;min-height:38px;margin-top:13px;padding:0 16px;border:0;border-radius:999px;background:var(--brand-gradient);color:#fff;cursor:pointer;font-size:.86rem;font-weight:600;transition:filter .15s ease,transform .15s ease}.inline-create-button:hover:not(:disabled){filter:brightness(1.06) saturate(1.05);transform:translateY(-1px)}.inline-create-button:disabled{cursor:not-allowed;opacity:.5}.final-prompt-details{width:min(480px,100%);margin-top:12px;padding-top:12px;border-top:1px solid var(--hairline)}.final-prompt-details summary{color:var(--text-2);cursor:pointer;font-size:.82rem;font-weight:600}.final-prompt-details pre{max-height:260px;margin:10px 0 0;padding:12px;overflow:auto;border:1px solid var(--hairline);border-radius:14px;background:var(--surface-sunken);color:var(--text-2);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.78rem;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere}.music-player-card{display:grid;grid-template-columns:88px minmax(0,1fr);gap:14px;width:min(520px,100%);margin-top:12px;padding:14px;border:1px solid var(--hairline);border-radius:22px;background:var(--surface);box-shadow:var(--shadow-card)}.music-cover-button{width:88px;height:88px;padding:0;border:1px solid var(--hairline);border-radius:16px;overflow:hidden;background:var(--surface-sunken);cursor:pointer}.music-cover-button img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .22s ease}.music-cover-button:hover img{transform:scale(1.03)}.music-player-body{display:grid;gap:9px;min-width:0}.music-player-header{display:flex;align-items:center;justify-content:space-between;gap:10px}.music-player-title{display:grid;gap:2px;min-width:0;padding:0;border:0;background:transparent;color:var(--text);cursor:pointer;text-align:left}.music-player-title strong,.music-player-title span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.music-player-title strong{font-size:.98rem;font-weight:650}.music-player-title 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button{display:flex;align-items:center;gap:11px;width:100%;min-height:42px;padding:0 12px;border:0;border-radius:11px;background:transparent;color:var(--text);font-size:.88rem;font-weight:560;text-align:left;text-decoration:none;cursor:pointer}.player-more-menu a svg,.player-more-menu button svg{color:var(--text-2);flex:0 0 auto}.player-more-menu a:hover,.player-more-menu button:hover{background:var(--surface-sunken)}.player-more-menu a:hover svg,.player-more-menu button:hover svg{color:var(--accent)}.share-toast{position:fixed;z-index:200;bottom:32px;left:50%;transform:translate(-50%);max-width:min(420px,calc(100vw - 32px));padding:11px 18px;border-radius:14px;background:#1c1c1eeb;color:#fff;font-size:.86rem;font-weight:560;text-align:center;box-shadow:0 12px 30px #00000038;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);animation:share-toast-in .2s cubic-bezier(.22,1,.36,1) both}@keyframes share-toast-in{0%{opacity:0;transform:translate(-50%) 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button:hover{opacity:.6}.mini-player-play{width:42px;height:36px;color:var(--text)}.music-player-error{margin-top:8px;color:var(--danger);font-size:.86rem;overflow-wrap:anywhere}.full-player{position:fixed;z-index:100;top:0;right:0;bottom:0;left:0;width:100%;height:100dvh;overflow:hidden;overscroll-behavior:none;isolation:isolate;background:var(--page-bg);color:var(--text)}.full-player-topbar{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;min-height:72px;padding:14px 22px}.full-player-icon-button{width:40px;height:40px;border:0;border-radius:999px;background:transparent;color:var(--text);transition:background .15s ease}.full-player-icon-button:hover{background:var(--surface-sunken)}.full-player-volume{display:flex;align-items:center;gap:9px;min-height:40px;padding:0;background:transparent;color:var(--text-2)}.full-player-volume input{width:105px;accent-color:var(--accent)}.full-player-layout{position:relative;z-index:1;display:grid;grid-template-columns:minmax(360px,44%) minmax(0,1fr);gap:clamp(64px,8vw,150px);align-items:center;width:min(100%,1500px);height:calc(100vh - 72px);height:calc(100dvh - 72px);margin:0 auto;padding:28px clamp(58px,10vw,180px) 72px;overscroll-behavior:contain}.full-player-artwork-column{display:grid;align-content:center;justify-items:center;gap:18px;min-width:0}.full-player-cover{width:min(100%,460px);aspect-ratio:1;border:1px solid var(--hairline);border-radius:18px;object-fit:cover;box-shadow:0 24px 56px #00000024}.full-player-track-row{display:flex;align-items:center;justify-content:space-between;width:min(100%,460px)}.full-player-track-row h2,.full-player-track-row p{margin:0;overflow-wrap:anywhere}.full-player-track-row h2{font-size:1rem;font-weight:680;color:var(--text)}.full-player-track-row p{margin-top:3px;color:var(--text-2);font-size:.86rem}.full-player-progress,.full-player-controls{width:min(100%,460px)}.full-player-progress>div{color:var(--text-3)}.full-player-progress input{accent-color:var(--accent)}.full-player-controls{display:flex;align-items:center;justify-content:space-around;min-height:60px;color:var(--text)}.full-player-play{width:64px;height:60px}.full-player-more>summary{color:var(--text-2)}.full-player-more .player-more-menu{top:auto;right:0;bottom:calc(100% + 8px)}.full-player-lyrics{position:relative;min-width:0;height:min(74vh,720px);overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:none;mask-image:linear-gradient(to bottom,transparent,black 16%,black 84%,transparent);-webkit-mask-image:linear-gradient(to bottom,transparent,black 16%,black 84%,transparent)}.full-player-lyrics-status{justify-self:start;display:inline-flex;align-items:center;gap:9px;width:fit-content;min-height:34px;padding:0 14px;border:1px solid var(--hairline);border-radius:999px;background:var(--surface-sunken);color:var(--text-2);font-size:.8rem;font-weight:600}.lyrics-sync-dots{display:inline-flex;align-items:center;gap:5px}.lyrics-sync-dots span{width:7px;height:7px;border-radius:999px;background:var(--accent);animation:thinking-bounce 1.1s ease-in-out infinite}.lyrics-sync-dots span:nth-child(2){animation-delay:.12s}.lyrics-sync-dots span:nth-child(3){animation-delay:.24s}.full-player-lyrics::-webkit-scrollbar{display:none}.full-player-lyrics-scroll{display:grid;align-content:center;gap:clamp(18px,2.8vh,34px);min-height:100%;padding:30vh 0}.lyrics-intro-wait{justify-self:start;display:flex;align-items:center;gap:11px;width:fit-content;padding:6px 2px}.lyrics-intro-wait span{width:11px;height:11px;border-radius:999px;background:var(--text-3);animation:thinking-bounce 1.2s ease-in-out infinite}.lyrics-intro-wait span:nth-child(2){animation-delay:.12s}.lyrics-intro-wait span:nth-child(3){animation-delay:.24s}.full-player-lyrics p{max-width:720px;margin:0;padding:2px 0;overflow-wrap:anywhere;color:var(--text);font-size:clamp(1.7rem,2.9vw,3.3rem);font-weight:700;line-height:1.25;letter-spacing:-.01em;cursor:pointer;opacity:.26;transition:opacity .28s ease,color .28s ease,transform .28s ease}.full-player-lyrics p:hover{opacity:.7}.full-player-lyrics p:focus-visible{outline:2px solid var(--accent);outline-offset:6px;border-radius:10px;opacity:.7}.full-player-lyrics p.active{opacity:1;color:#0b0b0c}.full-player-lyrics p.near{opacity:.4}.full-player-lyrics p.far{opacity:.24}.full-player-lyrics p.hidden-line{opacity:.12}.full-player-lyrics p.intro-line{color:var(--text-2);opacity:.22}.lyric-character{color:var(--text-3);transition:color .1s linear}.lyric-character.sung{color:#0b0b0c}.full-player-instrumental{display:grid;align-content:center;height:100%}.full-player-instrumental p,.full-player-instrumental span{margin:0}.full-player-instrumental p{font-size:clamp(2.4rem,5vw,5rem);font-weight:700;color:var(--text)}.full-player-instrumental span{margin-top:10px;color:var(--text-2)}.full-player-track-actions{display:flex;align-items:center;gap:6px}.fp-star{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:0;border-radius:999px;background:transparent;color:var(--text-2);cursor:pointer;transition:background .15s ease,color .15s ease,transform .15s ease}.fp-star.active{color:var(--accent)}.fp-star:hover{background:var(--surface-sunken)}.fp-star:active{transform:scale(.92)}.full-player--mobile{display:flex;flex-direction:column;align-items:stretch;padding:max(8px,env(safe-area-inset-top)) 22px max(20px,env(safe-area-inset-bottom))}.fp-grabber{flex:0 0 auto;width:38px;height:5px;margin:8px auto 6px;padding:0;border:0;border-radius:999px;background:#00000029;cursor:pointer}.fp-compact-head{flex:0 0 auto;display:flex;align-items:center;gap:12px;width:100%;padding:6px 0 12px}.fp-compact-cover{flex:0 0 auto;width:52px;height:52px;border:1px solid var(--hairline);border-radius:12px;object-fit:cover}.fp-compact-meta{flex:1 1 auto;min-width:0;display:grid}.fp-compact-meta strong{font-size:1rem;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fp-compact-meta span{color:var(--text-2);font-size:.85rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fp-stage{flex:1 1 auto;min-height:0;display:flex;align-items:center;justify-content:center;width:100%}.fp-stage--lyrics,.fp-stage--queue{align-items:stretch}.fp-stage-cover{width:min(78vw,360px);max-height:100%;aspect-ratio:1;border:1px solid var(--hairline);border-radius:18px;object-fit:cover;box-shadow:0 24px 56px #00000029}.fp-title-row{flex:0 0 auto;display:flex;align-items:center;gap:12px;width:100%;padding:16px 2px 2px}.fp-title-meta{flex:1 1 auto;min-width:0}.fp-title-meta h2{margin:0;font-size:1.5rem;font-weight:750;letter-spacing:-.01em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fp-title-meta p{margin:3px 0 0;color:var(--text-2);font-size:1rem}.fp-mobile-error{flex:0 0 auto;margin:8px 0 0}.fp-bottom{flex:0 0 auto;display:grid;gap:18px;width:100%;padding-top:16px}.full-player--mobile .full-player-progress,.full-player--mobile .full-player-controls{width:100%}.full-player--mobile .full-player-controls{min-height:auto;justify-content:space-evenly;color:var(--text)}.full-player--mobile .full-player-lyrics{width:100%;height:100%;margin:0;mask-image:linear-gradient(to bottom,transparent,black 12%,black 86%,transparent);-webkit-mask-image:linear-gradient(to bottom,transparent,black 12%,black 86%,transparent)}.full-player--mobile .full-player-lyrics-scroll{padding:22vh 0}.full-player--mobile .full-player-lyrics p{font-size:clamp(1.7rem,6.4vw,2.6rem);text-align:left}.full-player--mobile .full-player-lyrics-status,.full-player--mobile 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0;color:var(--text-3);font-size:.74rem;line-height:1.5;text-align:center;text-wrap:balance}.auth-alt-link{display:block;width:100%;margin-top:14px;padding:4px;border:0;background:transparent;color:var(--text-2);font-size:.84rem;text-align:center;text-decoration:underline;text-underline-offset:3px;cursor:pointer;transition:color .13s ease}.auth-alt-link:hover{color:var(--text)}.auth-email-chip{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;margin-bottom:14px;padding:12px 14px;border:1px solid var(--hairline-strong);border-radius:12px;background:var(--surface-sunken);cursor:pointer;transition:border-color .13s ease}.auth-email-chip:hover{border-color:var(--text-3)}.auth-email-chip-address{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text);font-size:.9rem}.auth-email-chip-edit{flex:0 0 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