:root{--bg-base: #05060d;--bg-panel: rgba(20, 24, 38, .55);--bg-panel-solid: #141826;--bg-input: rgba(10, 12, 22, .65);--border: rgba(120, 140, 180, .14);--border-strong: rgba(120, 140, 180, .28);--text: #e8ecf5;--text-dim: #8a93a8;--text-faint: #5a6278;--accent: #7c5cff;--accent-2: #29d3ff;--accent-warm: #ff6b9d;--accent-orange: #ff8c42;--accent-orange-2: #ff5e3d;--danger: #ff4d6d;--radius: 14px;--radius-sm: 8px;--blur: saturate(180%) blur(18px)}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;min-height:100%;background:var(--bg-base);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body:before{content:"";position:fixed;inset:-20%;z-index:-2;background:radial-gradient(40% 60% at 15% 20%,rgba(124,92,255,.22),transparent 60%),radial-gradient(50% 50% at 85% 75%,rgba(41,211,255,.18),transparent 60%),radial-gradient(35% 40% at 55% 50%,rgba(255,107,157,.1),transparent 70%);filter:blur(60px);animation:aurora 24s ease-in-out infinite alternate;pointer-events:none}body:after{content:"";position:fixed;inset:0;z-index:-1;background-image:linear-gradient(rgba(255,255,255,.012) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.012) 1px,transparent 1px);background-size:40px 40px;mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 60%,transparent 100%);-webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 60%,transparent 100%);pointer-events:none}@keyframes aurora{0%{transform:translateZ(0) scale(1)}to{transform:translate3d(2%,-1%,0) scale(1.08)}}@media (prefers-reduced-motion: reduce){body:before{animation:none}}.layout{min-height:100vh;display:grid;grid-template-areas:"top top top" "left main right" "bot bot bot" "foot foot foot";grid-template-columns:200px minmax(0,1fr) 200px;grid-template-rows:auto 1fr auto auto;gap:16px;padding:16px;max-width:1480px;margin:0 auto}.site-footer-wrap{grid-area:foot}.ad{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#7c5cff0a,#29d3ff0a);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;position:relative}.ad:before{content:"";position:absolute;inset:0;border-radius:var(--radius);padding:1px;background:linear-gradient(135deg,rgba(124,92,255,.3),rgba(41,211,255,.15),transparent);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;opacity:.6}.ad-top{grid-area:top;min-height:90px}.ad-bottom{grid-area:bot;min-height:90px}.ad-left{grid-area:left;min-height:612px;position:sticky;top:16px;align-self:start}.ad-right{grid-area:right;min-height:612px;position:sticky;top:16px;align-self:start}.ad-slot{position:relative;display:flex;align-items:center;justify-content:center;width:100%;height:100%;min-height:90px}.ad-placeholder-label{position:absolute;color:var(--text-faint);font-size:11px;font-family:ui-monospace,SF Mono,Menlo,Consolas,Liberation Mono,monospace;letter-spacing:1px;text-transform:uppercase;pointer-events:none;opacity:.6}.adsbygoogle{position:relative;z-index:1;background:transparent}@media (max-width: 1100px){.layout{grid-template-areas:"top" "main" "bot" "foot";grid-template-columns:1fr;gap:14px;padding:14px}.ad-left,.ad-right{display:none}}.main{grid-area:main;display:flex;flex-direction:column;gap:16px;max-width:880px;width:100%;margin:0 auto;padding:0 4px}.banner{text-align:center;padding:4px 0 0;display:flex;flex-direction:column;align-items:center;gap:2px}.banner .brand-mark{margin:0;font-family:ui-monospace,SF Mono,Menlo,Consolas,Liberation Mono,monospace;font-size:.78rem;font-weight:600;letter-spacing:.06em;color:var(--text-dim);text-transform:lowercase}.banner h1{margin:2px 0 0;font-family:ui-monospace,SF Mono,Menlo,Consolas,Liberation Mono,monospace;font-size:clamp(1.5rem,3vw,2.1rem);font-weight:700;letter-spacing:-.02em;background:linear-gradient(135deg,#fff,#a8b5d1,#7c5cff);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 0 50px rgba(124,92,255,.25);line-height:1.15}.banner .tagline{margin:6px 0 0;color:var(--text-dim);font-size:.88rem;font-weight:400;letter-spacing:.01em;max-width:520px;line-height:1.5}.container{display:flex;flex-direction:column;gap:12px;width:100%}.input-wrapper{position:relative;display:flex;flex-direction:column}.upload-button{position:absolute;top:10px;right:14px;width:32px;height:32px;border-radius:50%;border:1px solid var(--border-strong);background:#0a0c1699;color:var(--text-dim);cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0;z-index:1;transition:color .15s,border-color .15s,transform .15s;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.upload-button:hover{color:var(--accent-2);border-color:var(--accent-2);transform:translateY(-1px)}.upload-button:focus-visible{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #7c5cff2e}.upload-drop-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#7c5cff2e;border:2px dashed var(--accent);border-radius:var(--radius);pointer-events:none;z-index:2;color:var(--text);font-size:1.1rem;font-weight:500;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.input-text{width:100%;background:var(--bg-input);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;font-family:inherit;font-size:1rem;line-height:1.55;resize:vertical;min-height:200px;backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;caret-color:var(--accent-2)}.input-text::placeholder{color:var(--text-faint);font-style:italic;text-align:center;font-size:1.25rem}.input-text:placeholder-shown{align-content:center}.input-text:focus{outline:none;border-color:#7c5cff80;background:#0f1220bf;box-shadow:0 0 0 4px #7c5cff14,0 10px 40px -10px #7c5cff40}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.controls{display:flex;align-items:center;justify-content:flex-start;gap:12px;padding:10px 14px;background:var(--bg-panel);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);border:1px solid var(--border);border-radius:var(--radius);flex-wrap:wrap;position:relative;z-index:5}.voice-inline{display:flex;align-items:center;gap:8px;flex:1 1 260px;min-width:200px}.voice-inline .voice-select{flex:1 1 auto;min-width:0;background:var(--bg-input);color:var(--text);border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:8px 32px 8px 12px;font-family:inherit;font-size:.9rem;cursor:pointer;transition:border-color .15s,background .15s;appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-dim) 50%),linear-gradient(-45deg,transparent 50%,var(--text-dim) 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat}.voice-inline .voice-select:hover{border-color:#7c5cff66}.voice-inline .voice-select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #7c5cff26}.voice-help-link{color:var(--accent-2);text-decoration:none;font-size:.82rem;padding:7px 10px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--bg-input);white-space:nowrap;transition:border-color .15s,color .15s}.voice-help-link:hover{border-color:var(--accent-2);color:var(--text)}.engine-dropdown{position:relative;flex-shrink:0}.engine-dropdown-toggle{display:inline-flex;align-items:center;gap:8px;background:var(--bg-input);color:var(--text);border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:7px 10px 7px 11px;font-family:inherit;font-size:.82rem;font-weight:600;letter-spacing:.02em;cursor:pointer;transition:border-color .15s,background .15s;white-space:nowrap;line-height:1}.engine-dropdown-toggle:hover{border-color:#7c5cff66}.engine-dropdown-toggle:focus-visible{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #7c5cff26}.engine-dropdown-toggle[aria-expanded=true]{border-color:var(--accent)}.engine-dropdown-caret{color:var(--text-dim);font-size:.7rem;transition:transform .18s ease}.engine-dropdown-toggle[aria-expanded=true] .engine-dropdown-caret{transform:rotate(180deg)}.engine-dot{display:inline-block;width:10px;height:10px;border-radius:50%;flex-shrink:0;background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 0 6px -1px #7c5cff8c}.engine-dot[data-engine=piper],.engine-dropdown[data-active=piper] .engine-dropdown-toggle .engine-dot{background:linear-gradient(135deg,var(--accent-warm),#c44d8c);box-shadow:0 0 6px -1px #ff6b9d8c}.engine-dot[data-engine=kokoro],.engine-dropdown[data-active=kokoro] .engine-dropdown-toggle .engine-dot{background:linear-gradient(135deg,var(--accent-orange),var(--accent-orange-2));box-shadow:0 0 6px -1px #ff8c428c}.engine-dropdown-menu{position:absolute!important;top:calc(100% + 6px)!important;bottom:auto!important;transform:none!important;z-index:50;left:0;min-width:200px;margin:0;padding:4px;list-style:none;background:var(--bg-panel-solid);border:1px solid var(--border-strong);border-radius:var(--radius-sm);box-shadow:0 12px 32px -8px #0009}.engine-dropdown-menu[hidden]{display:none}.engine-option{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:6px;color:var(--text-dim);font-size:.85rem;font-weight:500;cursor:pointer;user-select:none;transition:background .12s,color .12s}.engine-option:hover,.engine-option:focus-visible{background:#7c5cff1a;color:var(--text);outline:none}.engine-option[aria-selected=true]{color:var(--text);background:#7c5cff14}.engine-option[aria-disabled=true]{color:var(--text-faint);cursor:not-allowed;opacity:.55}.engine-option[data-loading=true]{cursor:wait}.engine-option[data-loading=true] .engine-name:after{content:" \2026";opacity:.7}.engine-option .engine-name{flex:1}.engine-hq{display:inline-block;font-size:.6rem;font-weight:700;letter-spacing:.08em;padding:1px 4px;border-radius:3px;background:#ff8c4238;color:var(--accent-orange);margin-left:2px;vertical-align:1px}.engine-size{font-size:.7rem;font-weight:500;letter-spacing:.02em;color:var(--text-faint);margin-left:auto}.engine-option[data-installed=true] .engine-size{display:none}.ai-tts-status-inline{padding:14px 16px 10px;background:var(--bg-panel);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);border:1px solid var(--border);border-top:none;border-radius:0 0 var(--radius) var(--radius);margin-top:-18px;font-size:.85rem}.ai-tts-status-inline .ai-tts-status-text{color:var(--text-dim);margin-bottom:6px;font-family:ui-monospace,SF Mono,Menlo,Consolas,Liberation Mono,monospace;font-size:.78rem;letter-spacing:.02em}.button-group{display:flex;gap:12px;align-items:center}.play-pause-button{background:var(--bg-panel-solid);color:var(--text);border:1px solid var(--border-strong);border-radius:50%;width:48px;height:48px;font-size:1.15rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;flex-shrink:0}.play-pause-button:before{content:"";position:absolute;inset:-1px;border-radius:50%;background:conic-gradient(from 0deg,var(--accent),var(--accent-2),var(--accent-warm),var(--accent));opacity:0;transition:opacity .25s ease;z-index:-1;filter:blur(8px)}.play-pause-button:hover{transform:translateY(-1px);border-color:var(--accent);color:var(--text);box-shadow:0 6px 24px -6px #7c5cff80}.play-pause-button:hover:before{opacity:.6}.play-pause-button:active{transform:translateY(0)}.play-pause-button.playing{background:linear-gradient(135deg,#ff4d6d33,#ff6b9d26);border-color:var(--danger);color:var(--danger);animation:pulse-glow 2s ease-in-out infinite}.download-button{background:var(--bg-input);color:var(--accent-orange);border:1px solid var(--border-strong);border-radius:50%;width:44px;height:44px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .18s cubic-bezier(.4,0,.2,1);flex-shrink:0;padding:0;margin-left:auto}.download-button:hover{border-color:var(--accent-orange);color:var(--accent-orange-2);transform:translateY(-1px);box-shadow:0 4px 16px -6px #ff8c4280}.download-button:active{transform:translateY(0)}.download-button:focus-visible{outline:none;border-color:var(--accent-orange);box-shadow:0 0 0 3px #ff8c4238}.download-button:disabled{cursor:wait;opacity:.7;transform:none;box-shadow:none}.download-button .download-icon{display:block}.download-button .download-spinner{display:none}.download-button.loading{border-color:var(--accent-orange);color:var(--accent-orange)}.download-button.loading .download-icon{display:none}.download-button.loading .download-spinner{display:block;width:18px;height:18px;border:2px solid rgba(255,140,66,.25);border-top-color:var(--accent-orange);border-radius:50%;animation:download-spin .8s linear infinite}@keyframes download-spin{to{transform:rotate(360deg)}}@keyframes pulse-glow{0%,to{box-shadow:0 0 #ff4d6d59,0 6px 24px -6px #ff4d6d66}50%{box-shadow:0 0 0 8px #ff4d6d00,0 6px 24px -6px #ff4d6d80}}.slider-group{display:flex;gap:14px;align-items:center;flex-wrap:wrap}.slider-container{display:flex;align-items:center;gap:8px}.slider-icon{font-size:1rem;cursor:pointer;user-select:none;opacity:.75;transition:opacity .15s}.slider-icon:hover{opacity:1}input[type=range]{--slider-color: #7c5cff;-webkit-appearance:none;appearance:none;width:90px;height:5px;background:#788cb440;border-radius:4px;outline:none;cursor:pointer;transition:background .15s}input[type=range]:hover{background:#788cb44d}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;background:var(--slider-color);border-radius:50%;cursor:pointer;box-shadow:0 0 0 4px #0000004d,0 0 12px -2px var(--slider-color);transition:transform .15s}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.15)}input[type=range]::-moz-range-thumb{width:16px;height:16px;background:var(--slider-color);border-radius:50%;cursor:pointer;border:none;box-shadow:0 0 0 4px #0000004d,0 0 12px -2px var(--slider-color)}@media (max-width: 720px){.controls{gap:12px;padding:10px 12px}.voice-inline{flex-basis:100%;order:2}.slider-group{flex-basis:100%;order:3;justify-content:center}#playPauseButton{order:1}#downloadButton{order:1;margin-left:auto}input[type=range]{width:110px}}@media (max-width: 540px){input[type=range]{width:90px}}.toggle-container{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:4px 0}.toggle-label{flex:1;color:var(--text);font-size:.93rem;font-weight:500;cursor:pointer}.toggle-input{display:none}.toggle-slider{position:relative;width:42px;height:24px;background:#788cb433;border-radius:24px;cursor:pointer;transition:background .2s ease;flex-shrink:0}.toggle-slider:before{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;background:var(--text);border-radius:50%;transition:transform .2s cubic-bezier(.4,0,.2,1);box-shadow:0 1px 3px #0000004d}.toggle-input:checked+.toggle-slider{background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 0 12px -2px var(--accent)}.toggle-input:checked+.toggle-slider:before{transform:translate(18px)}.toggle-input:disabled+.toggle-slider{opacity:.4;cursor:not-allowed}.ai-tts-progress-track{height:4px;background:#788cb433;border-radius:2px;overflow:hidden}.ai-tts-progress-bar{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));width:0%;transition:width .2s;box-shadow:0 0 8px -1px var(--accent-2)}.ai-generating-bar{height:3px;background:#788cb426;overflow:hidden;border-radius:2px;margin-bottom:10px;position:relative}.ai-generating-bar-fill{position:absolute;top:0;left:-30%;width:30%;height:100%;background:linear-gradient(90deg,transparent,var(--accent),var(--accent-2),transparent);animation:ai-gen-slide 1.4s linear infinite}@keyframes ai-gen-slide{0%{left:-30%}to{left:100%}}@media (pointer: fine){::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#788cb433;border-radius:10px;border:2px solid var(--bg-base)}::-webkit-scrollbar-thumb:hover{background:#788cb466}}@media (max-width: 640px){.main{gap:18px}.banner{padding-top:8px}.banner h1{font-size:2rem}.input-text{padding:16px;font-size:1rem;min-height:200px}}.intro{background:var(--bg-panel);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);border:1px solid var(--border);border-radius:var(--radius);padding:18px 22px;font-size:.95rem;line-height:1.6;color:var(--text-dim)}.intro strong{color:var(--text)}.intro p{margin:0 0 10px}.intro p:last-child{margin-bottom:0}.intro a{color:var(--accent-2);text-decoration:none}.intro a:hover{text-decoration:underline}.site-footer{padding:20px 16px 24px;text-align:center;font-size:.85rem;color:var(--text-faint);border-top:1px solid var(--border);margin-top:12px}.site-footer nav{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;margin-bottom:10px}.site-footer nav a{color:var(--text-dim);text-decoration:none;font-weight:500;transition:color .15s}.site-footer nav a:hover{color:var(--accent-2)}.site-footer .copyright{font-family:ui-monospace,SF Mono,Menlo,Consolas,Liberation Mono,monospace;font-size:.75rem;color:var(--text-dim)}.site-footer-wrap{grid-column:1 / -1;grid-row:auto}.article{max-width:720px;margin:0 auto;padding:40px 20px 80px;line-height:1.7;color:var(--text)}.article .back-link{display:inline-block;color:var(--accent-2);text-decoration:none;font-size:.88rem;margin-bottom:24px;transition:color .15s}.article .back-link:hover{color:var(--text)}.article h1{font-family:ui-monospace,SF Mono,Menlo,Consolas,Liberation Mono,monospace;font-size:clamp(1.8rem,4vw,2.4rem);font-weight:700;margin:0 0 12px;background:linear-gradient(135deg,#fff,#a8b5d1,#7c5cff);-webkit-background-clip:text;background-clip:text;color:transparent}.article h2{font-size:1.25rem;font-weight:600;margin:36px 0 8px;color:var(--text);letter-spacing:-.01em}.article .lede{font-size:1.05rem;color:var(--text-dim);margin:0 0 16px}.article p{color:var(--text-dim);margin:10px 0}.article p strong{color:var(--text);font-weight:600}.article ul{color:var(--text-dim);padding-left:22px}.article ul li{margin:4px 0}.article a{color:var(--accent-2);text-decoration:none}.article a:hover{text-decoration:underline}.article code{background:var(--bg-input);border:1px solid var(--border);border-radius:4px;padding:1px 6px;font-family:ui-monospace,SF Mono,Menlo,Consolas,Liberation Mono,monospace;font-size:.88em}.article-footer{display:flex;gap:20px;justify-content:center;margin-top:60px;padding-top:24px;border-top:1px solid var(--border);flex-wrap:wrap}.article-footer a{color:var(--text-dim);text-decoration:none;font-size:.9rem;font-weight:500}.article-footer a:hover{color:var(--accent-2)}.cookie-banner{position:fixed;left:16px;right:16px;bottom:16px;max-width:560px;margin:0 auto;z-index:200;background:linear-gradient(180deg,#1e2234fa,#141826fa);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border:1px solid var(--border-strong);border-radius:var(--radius);padding:14px 18px;display:flex;align-items:center;gap:14px;box-shadow:0 20px 60px -15px #0009;animation:cookie-rise .3s cubic-bezier(.2,.9,.3,1);font-size:.88rem;color:var(--text-dim);line-height:1.5}.cookie-banner[hidden]{display:none!important}.cookie-banner p{margin:0;flex:1}.cookie-banner p strong{color:var(--text)}.cookie-banner a{color:var(--accent-2);text-decoration:none;white-space:nowrap}.cookie-banner a:hover{text-decoration:underline}.cookie-banner button{flex-shrink:0;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;border:none;border-radius:var(--radius-sm);padding:8px 18px;font-family:inherit;font-weight:600;font-size:.88rem;cursor:pointer;transition:transform .1s,box-shadow .2s}.cookie-banner button:hover{transform:translateY(-1px);box-shadow:0 4px 16px -2px #7c5cff80}@keyframes cookie-rise{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 540px){.cookie-banner{flex-direction:column;align-items:stretch;text-align:center}.cookie-banner button{width:100%}}.ai-tts-install-prompt{padding:14px 16px;background:var(--bg-panel);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);border:1px solid var(--border-strong);border-radius:var(--radius);margin-top:-8px;display:flex;flex-direction:column;gap:12px}.ai-tts-install-prompt p{margin:0;color:var(--text);font-size:.9rem;line-height:1.45}.ai-tts-install-actions{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}.install-btn{padding:8px 16px;border-radius:999px;border:1px solid var(--border-strong);font-family:inherit;font-size:.85rem;font-weight:600;cursor:pointer;transition:background .15s,color .15s,border-color .15s}.install-btn-cancel{background:transparent;color:var(--text-dim)}.install-btn-cancel:hover{color:var(--text);border-color:var(--text-faint)}.install-btn-confirm{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;border-color:transparent;box-shadow:0 0 16px -3px #7c5cff73}.install-btn-confirm:hover{filter:brightness(1.1)}.ad{display:none!important}.layout{grid-template-areas:"main" "foot";grid-template-columns:minmax(0,1fr);grid-template-rows:1fr auto}