:root{color-scheme:light;--canvas: #e8e2d8;--bg: #f7f3ec;--surface: #fffefb;--surface-2: #f0ebe1;--text: #2a1f14;--text-2: #7a6a5a;--text-3: #b0a090;--accent: #c8956c;--accent-action: #c4874f;--accent-tint-12: rgba(200, 149, 108, .12);--accent-tint-24: rgba(200, 149, 108, .24);--accent-tint-40: rgba(200, 149, 108, .4);--on-accent: #ffffff;--danger: #c0554a;--danger-tint-8: rgba(192, 85, 74, .08);--danger-tint-15: rgba(192, 85, 74, .15);--danger-tint-40: rgba(192, 85, 74, .4);--border: #e4dbd0;--focus-ring: rgba(200, 149, 108, .5);--glow: rgba(200, 149, 108, .3);--glow-strong: rgba(200, 149, 108, .45);--glass: rgba(247, 243, 236, .88);--dim: rgba(0, 0, 0, .25);--scrim: rgba(0, 0, 0, .45);--scrim-strong: rgba(0, 0, 0, .65);--scrollbar-thumb: rgba(42, 31, 20, .22);--scrollbar-thumb-hover: rgba(42, 31, 20, .34);--shadow: 0 1px 8px rgba(42, 31, 20, .07);--shadow-lg: 0 12px 48px rgba(42, 31, 20, .1);--frame-shadow: 0 0 0 1px var(--border), 0 8px 40px rgba(42, 31, 20, .08);--overlay-shadow: 0 12px 48px rgba(0, 0, 0, .12);--rule-line: rgba(180, 160, 140, .12);--inset-line: rgba(42, 31, 20, .04);--inset-shadow: inset 0 1px 6px var(--inset-line), inset 0 -2px 4px rgba(0, 0, 0, .02);--btn-gradient: linear-gradient(135deg, #d4a574, var(--accent));--prompt-border: var(--accent);--tag-bg: var(--bg);--r-sm: 8px;--r-md: 12px;--r-lg: 16px;--r-xl: 20px;--r-pill: 100px;--unwrap-bg: radial-gradient(ellipse at 50% 35%, #fff7ea 0%, #f4ead9 35%, #e8dcc6 75%, #d8c8ad 100%);--unwrap-vignette: rgba(60, 40, 20, .18);--unwrap-title: #6a4a2a;--unwrap-eyebrow: #a17a4e;--unwrap-headline: #3a2718;--unwrap-ornament: #c79661;--unwrap-ornament-glow: rgba(199, 150, 97, .5);--unwrap-wordmark: #8a6a4a;--unwrap-mono: #b5824a;--mote: #f5d9a8;--light-burst: rgba(255, 240, 200, .9);--face-cream: linear-gradient(135deg, #fdf7ef, #f2e4d2);--face-shadowed: linear-gradient(135deg, #e8d8c2, #d4c4aa);--face-velvet: #4a2c17;--face-lit: linear-gradient(180deg, #fff9f0, #f8ecd8);--unwrap-floor-shadow: radial-gradient(ellipse at center, rgba(100, 60, 20, .15), transparent 70%);--vinyl-1: #3a2f24;--vinyl-2: #1a1a1a;--vinyl-edge: #000000;--vinyl-band: #a07050;--font-display: "Cormorant Garamond", Georgia, serif;--font-serif-cn: STSong, "Songti SC", "Source Han Serif SC", Georgia, serif;--font-sans-cn: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;--font-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", sans-serif}:root{--resize-dur: .3s;--resize-ease: cubic-bezier(.22, 1, .36, 1);--dropdown-open-dur: .25s;--dropdown-close-dur: .15s;--dropdown-ease: cubic-bezier(.22, 1, .36, 1);--modal-open-dur: .25s;--modal-close-dur: .15s;--modal-ease: cubic-bezier(.22, 1, .36, 1);--panel-open-dur: .4s;--panel-close-dur: .35s;--panel-translate-y: 100px;--panel-blur: 2px;--panel-ease: cubic-bezier(.22, 1, .36, 1);--icon-swap-dur: .25s;--icon-swap-blur: 2px;--icon-swap-start-scale: .25;--icon-swap-ease: ease-in-out;--shake-distance: 6px;--shake-dur-a: 80ms;--shake-dur-b: 60ms;--shake-ease: cubic-bezier(.22, 1, .36, 1);--skeleton-dur: 1s;--reveal-dur: .4s;--reveal-blur: 2px;--reveal-ease: ease-in-out;--acc-expand: .25s;--acc-collapse: .25s;--acc-chevron: .25s;--acc-ease: cubic-bezier(.22, 1, .36, 1);--tabs-dur: .25s;--tabs-ease: cubic-bezier(.22, 1, .36, 1);--stagger-dur: .5s;--stagger-distance: 12px;--stagger-stagger: 40ms;--stagger-blur: 3px;--stagger-ease: cubic-bezier(.22, 1, .36, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;background:var(--canvas);font-family:var(--font-body);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-tap-highlight-color:transparent}#root{width:100%;max-width:520px;height:100dvh;margin:0 auto;background:var(--bg);display:flex;flex-direction:column;position:relative;box-shadow:var(--frame-shadow);overflow:hidden}@media(min-width:900px){#root{max-width:720px}}@media(min-width:1100px){#root{max-width:1040px}}#root{transition:max-width var(--resize-dur, .3s) var(--resize-ease, cubic-bezier(.22, 1, .36, 1))}body:after{content:"";position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.045;background:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='f'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23f)'/%3E%3C/svg%3E") repeat}.app-header{display:flex;align-items:center;justify-content:space-between;padding:0 24px 0 20px;height:52px;background:var(--glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid 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14px;background:var(--danger-tint-8);border-radius:var(--r-sm);border:1px solid var(--danger-tint-15)}.chat-error{margin:0 16px 8px}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-6px)}40%{transform:translate(6px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}.error-msg.shaking{animation:shake .35s cubic-bezier(.22,1,.36,1)}.app-main{scrollbar-width:thin;scrollbar-color:var(--scrollbar-thumb) transparent}.app-main::-webkit-scrollbar{width:4px}.app-main::-webkit-scrollbar-track{background:transparent}.app-main::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:4px}.app-main::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb-hover)}.create-page{display:flex;flex-direction:column;flex:1;min-height:0}.gift-page,.playlist-page{padding:20px;display:flex;flex-direction:column;gap:18px}.gift-page.revealed .gift-hero{animation:giftReveal .8s .1s cubic-bezier(.22,1,.36,1) both}.gift-page.revealed .gift-lyrics-card{animation:giftReveal .8s .25s cubic-bezier(.22,1,.36,1) both}.gift-page.revealed .audio-player,.gift-page.revealed .gift-generating,.gift-page.revealed .btn-primary{animation:giftReveal .8s .4s cubic-bezier(.22,1,.36,1) both}.gift-page.revealed .gift-actions{animation:giftReveal .8s .55s cubic-bezier(.22,1,.36,1) both}.gift-page.revealed .countdown-section{animation:giftReveal .8s .35s cubic-bezier(.22,1,.36,1) both}.gift-page.revealed .countdown-placeholder{animation:giftReveal .8s .2s cubic-bezier(.22,1,.36,1) both}@keyframes giftReveal{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){.gift-page.revealed .gift-hero,.gift-page.revealed .gift-lyrics-card,.gift-page.revealed .audio-player,.gift-page.revealed .gift-generating,.gift-page.revealed .btn-primary,.gift-page.revealed .gift-actions,.gift-page.revealed .countdown-section,.gift-page.revealed .countdown-placeholder{animation:none;opacity:1;transform:none}}.loading-page{display:flex;align-items:center;justify-content:center;gap:10px;padding:60px 20px;color:var(--text-3);font-size:14px}.meta-form{padding:20px}.photo-upload-area{display:flex;gap:8px;flex-wrap:wrap}.photo-thumb{position:relative;width:68px;height:68px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--border)}.photo-thumb img{width:100%;height:100%;object-fit:cover}.photo-remove{position:absolute;top:3px;right:3px;width:20px;height:20px;border:none;border-radius:50%;background:var(--scrim);color:var(--on-accent);font-size:12px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s}.photo-remove:hover{background:var(--scrim-strong)}.photo-add{width:68px;height:68px;border:1.5px dashed var(--border);border-radius:var(--r-md);background:transparent;color:var(--text-3);font-size:24px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,border-color .15s,color .15s,opacity .15s}.photo-add:hover{border-color:var(--accent);color:var(--accent)}.chat-stream{display:flex;flex-direction:column;flex:1;min-height:300px}.chat-messages{flex:1;display:flex;flex-direction:column;gap:8px;padding:0 0 12px;overflow-y:auto;min-height:200px}.chat-bubble{max-width:88%;padding:10px 15px;border-radius:var(--r-lg);font-size:14px;line-height:1.55;white-space:pre-wrap;word-break:break-word;animation:bubblePop .3s ease}@keyframes bubblePop{0%{opacity:0;transform:translateY(8px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.chat-user{align-self:flex-end;background:var(--accent-tint-12);border:1px solid 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.15s}.chat-input:focus{border-color:var(--accent)}.chat-input::placeholder{color:var(--text-3)}.chat-send{flex-shrink:0;min-width:48px;height:42px}.lyrics-card{display:flex;flex-direction:column;gap:18px}.lyrics-header{display:flex;flex-direction:column;gap:8px}.lyrics-title-display{font-family:var(--font-display);font-size:24px;font-weight:500;color:var(--text)}.lyrics-tags{display:flex;gap:8px;flex-wrap:wrap}.lyrics-tag{font-size:12px;color:var(--accent);background:var(--accent-tint-12);border:1px solid var(--accent-tint-24);padding:4px 12px;border-radius:var(--r-pill);font-weight:500}.lyrics-body{font-family:var(--font-serif-cn);font-size:16px;line-height:2;white-space:pre-wrap;word-break:break-word;color:var(--text)}.lyrics-edit{font-family:var(--font-serif-cn);font-size:15px;line-height:1.8;min-height:200px;padding:12px 0}.lyrics-actions{display:flex;gap:10px;justify-content:flex-end}.audio-player{display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid 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