:root{--red:#c93020;--red-hover:#a32618;--rail-w:52px;--panel-w:268px;--bg:#eceae4;--surface:#fff;--border:#d0c9be;--ink:#0d0b08;--ink2:#42392f;--ink3:#857b70;--rail-bg:#0d0b08;--rail-icon:#ffffff80;--rail-active:#fff;--rail-hover:#ffffff24;--panel-bg:#f7f5f1}[data-theme=dark]{--bg:#0f0e0c;--surface:#1c1a18;--border:#2e2c28;--ink:#f6f2e8;--ink2:#b0a698;--ink3:#7a716a;--panel-bg:#161412}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;height:100vh;font-family:DM Sans,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-weight:400;overflow:hidden}html{max-width:100vw;overflow-x:hidden}svg{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;display:block}button{cursor:pointer;background:0 0;border:none;font-family:inherit}a{color:inherit;text-decoration:none}.layout{height:100vh;display:flex;overflow:hidden}.rail{width:var(--rail-w);background:var(--rail-bg);z-index:10;flex-direction:column;flex-shrink:0;align-items:center;gap:2px;padding:12px 0;display:flex}.rail-btn{width:36px;height:36px;color:var(--rail-icon);border-radius:8px;justify-content:center;align-items:center;transition:background .15s,color .15s;display:flex}.rail-btn svg{width:17px;height:17px}.rail-btn:hover:not(:disabled){background:var(--rail-hover);color:var(--rail-active)}.rail-btn.active{color:var(--rail-active)}.rail-btn:disabled{opacity:.25;cursor:default}.rail-sep{background:#ffffff14;width:28px;height:1px;margin:6px 0}.center{flex-direction:column;flex:1;align-items:center;gap:20px;min-width:0;padding:28px 24px 60px;display:flex;overflow-y:auto}.page-header{flex-direction:column;gap:4px;width:100%;max-width:560px;display:flex}.page-title{color:var(--ink);letter-spacing:-.02em;font-size:22px;font-weight:600}.page-sub{color:var(--ink3);font-size:13px}.input-card{background:var(--surface);border:1.5px solid var(--border);border-radius:14px;flex-direction:column;gap:10px;width:100%;max-width:560px;padding:14px 16px 12px;transition:border-color .15s,box-shadow .15s;display:flex;box-shadow:0 1px 4px #0000000f}.input-card:focus-within{border-color:var(--red);box-shadow:0 0 0 3px #cc31201a}.input-top{justify-content:space-between;align-items:center;display:flex}.input-label{color:var(--ink3);text-transform:uppercase;letter-spacing:.06em;font-size:11px;font-weight:600}.char-count{color:var(--ink3);font-size:12px;font-weight:500;transition:color .2s}.char-count.over{color:var(--red);font-weight:600}.tts-textarea{resize:vertical;width:100%;min-height:140px;color:var(--ink);background:0 0;border:none;outline:none;font-family:Noto Serif SC,serif;font-size:18px;line-height:1.7}.tts-textarea::placeholder{color:var(--ink3);font-family:DM Sans,sans-serif;font-size:14px}.input-bottom{align-items:center;gap:8px;display:flex}.btn-paste{color:var(--ink2);border:1px solid var(--border);background:var(--bg);border-radius:6px;align-items:center;gap:5px;padding:5px 10px;font-size:12px;transition:background .15s,color .15s;display:flex}.btn-paste svg{width:12px;height:12px}.btn-paste:hover{background:var(--border);color:var(--ink)}.btn-clear-text{color:var(--ink3);border-radius:6px;padding:5px 10px;font-size:12px;transition:background .15s}.btn-clear-text:hover{background:var(--border);color:var(--ink2)}.error-state{width:100%;max-width:560px;color:var(--red);background:#fdecea;border:1px solid #cc312033;border-radius:10px;padding:11px 16px;font-size:13px}[data-theme=dark] .error-state{background:#cc31201f;border-color:#cc31204d}.player-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;flex-direction:column;gap:16px;width:100%;max-width:560px;padding:18px 20px;display:flex;box-shadow:0 1px 4px #0000000f}.progress-wrap{flex-direction:column;gap:6px;display:flex}.progress-bar{background:var(--border);border-radius:99px;width:100%;height:6px;position:relative;overflow:hidden}.progress-fill{background:var(--red);border-radius:99px;width:0%;height:100%;transition:width .2s linear}.progress-wave{background:linear-gradient(90deg,#0000,#cc31204d,#0000);width:100%;height:100%;animation:1.5s ease-in-out infinite wave;display:none;position:absolute;top:0;left:0}.progress-wave.active{display:block}@keyframes wave{0%{transform:translate(-100%)}to{transform:translate(100%)}}.progress-labels{justify-content:space-between;align-items:center;display:flex}.progress-char{color:var(--ink);min-height:22px;font-family:Noto Serif SC,serif;font-size:16px;transition:opacity .2s}.progress-pct{color:var(--ink3);font-size:12px;font-weight:500}.player-btns{align-items:center;gap:10px;display:flex}.btn-play{background:var(--red);color:#fff;border-radius:10px;align-items:center;gap:8px;padding:10px 22px;font-size:14px;font-weight:600;transition:background .15s,opacity .15s;display:flex}.btn-play:hover:not(:disabled){background:var(--red-hover)}.btn-play:disabled{opacity:.4;cursor:default}.btn-play svg{stroke:#fff;fill:#fff;width:15px;height:15px}.btn-stop{border:1.5px solid var(--border);color:var(--ink2);border-radius:10px;align-items:center;gap:6px;padding:10px 16px;font-size:13px;font-weight:500;transition:background .15s,border-color .15s;display:flex}.btn-stop:hover:not(:disabled){background:var(--border);color:var(--ink)}.btn-stop:disabled{opacity:.35;cursor:default}.btn-stop svg{fill:currentColor;stroke:none;width:13px;height:13px}.empty-state{color:var(--ink3);flex-direction:column;align-items:center;gap:10px;padding:40px 20px;display:flex}.empty-icon{font-size:48px;line-height:1}.empty-state p{font-size:13px}.panel{width:var(--panel-w);background:var(--panel-bg);border-left:1px solid var(--border);scrollbar-width:none;flex-direction:column;flex-shrink:0;height:100vh;display:flex;overflow-y:auto}.panel::-webkit-scrollbar{display:none}.panel-theme{justify-content:flex-end;padding:10px 12px 0;display:flex}.theme-btn{width:32px;height:32px;color:var(--ink2);border-radius:8px;justify-content:center;align-items:center;font-size:16px;transition:background .15s;display:flex}.theme-btn:hover{background:var(--border)}.panel-body{flex-direction:column;flex:1;gap:22px;padding:8px 16px;display:flex}.panel-section{flex-direction:column;gap:8px;display:flex}.panel-label{color:var(--ink3);text-transform:uppercase;letter-spacing:.06em;font-size:11px;font-weight:600}.panel-label-sub{text-transform:none;letter-spacing:0;opacity:.75;font-size:10px;font-weight:400}.speed-grid{grid-template-columns:repeat(3,1fr);gap:4px;display:grid}.speed-btn{color:var(--ink2);border:1px solid var(--border);background:var(--bg);text-align:center;border-radius:7px;padding:6px 4px;font-size:12px;font-weight:500;transition:background .15s,color .15s,border-color .15s}.speed-btn:hover:not(.active){background:var(--border)}.speed-btn.active{background:var(--surface);color:var(--red);border-color:var(--red);font-weight:600;box-shadow:0 1px 3px #00000014}.voice-select{border:1px solid var(--border);background:var(--bg);width:100%;color:var(--ink);cursor:pointer;border-radius:8px;outline:none;padding:7px 10px;font-family:inherit;font-size:13px;transition:border-color .15s}.voice-select:focus{border-color:var(--red)}.btn-download{background:var(--ink);color:#fff;border-radius:9px;justify-content:center;align-items:center;gap:7px;width:100%;padding:10px 16px;font-size:13px;font-weight:600;transition:background .15s,opacity .15s;display:flex}.btn-download:hover:not(:disabled){background:#2a2820}.btn-download:disabled{opacity:.35;cursor:default}.btn-download svg{width:14px;height:14px}[data-theme=dark] .btn-download{background:var(--ink)}[data-theme=dark] .btn-download:hover:not(:disabled){background:var(--ink2)}.download-note{color:var(--ink3);text-align:center;font-size:11px}.panel-footer{border-top:1px solid var(--border);padding:14px 16px}.footer-link{width:28px;height:28px;color:var(--ink3);border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;transition:color .15s,background .15s;display:flex}.footer-link:hover{color:var(--red);background:var(--bg)}.footer-link svg{width:14px;height:14px}.footer-links{align-items:center;gap:6px;display:flex}.footer-email-wrap{align-items:center;display:flex;position:relative}.footer-email-copied{white-space:nowrap;background:var(--ink);color:var(--surface);pointer-events:none;border-radius:6px;padding:4px 8px;font-size:11px;animation:.15s fadeInUp;position:absolute;bottom:calc(100% + 6px);left:50%;transform:translate(-50%)}@keyframes fadeInUp{0%{opacity:0;transform:translate(-50%)translateY(4px)}to{opacity:1;transform:translate(-50%)translateY(0)}}.footer-legal{align-items:center;gap:5px;margin-top:8px;display:flex}.footer-legal-link{color:var(--ink3);font-size:11px;text-decoration:none;transition:color .15s}.footer-legal-link:hover{color:var(--red)}.footer-legal-sep{color:var(--border);font-size:11px}.center-footer{align-items:center;gap:8px;width:100%;max-width:560px;padding:12px 0 24px;display:flex}.volume-slider{-webkit-appearance:none;background:var(--border);cursor:pointer;border-radius:2px;outline:none;width:100%;height:4px}.volume-slider::-webkit-slider-thumb{-webkit-appearance:none;background:var(--red);cursor:pointer;border-radius:50%;width:16px;height:16px;transition:transform .1s}.volume-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.volume-slider::-moz-range-thumb{background:var(--red);cursor:pointer;border:none;border-radius:50%;width:16px;height:16px}.drawer-account{flex-direction:column;flex:1;justify-content:center;align-items:center;gap:10px;padding:32px 20px;display:flex}.drawer-avatar-lg{object-fit:cover;border-radius:50%;flex-shrink:0;width:64px;height:64px}.theme-toggle-btn{border:1px solid var(--border);color:var(--ink2);cursor:pointer;background:0 0;border-radius:8px;align-items:center;gap:7px;padding:7px 12px;font-size:12px;transition:background .15s,color .15s;display:flex}.theme-toggle-btn:hover{background:var(--bg);color:var(--ink)}.theme-toggle-btn svg{flex-shrink:0}.mobile-controls{display:none}@media (max-width:700px){.panel{display:none}.rail{width:44px}:root{--rail-w:44px}body{height:auto;overflow-y:auto}.center{padding:20px 16px 48px;overflow:visible}.input-top{flex-wrap:wrap;gap:4px}.input-label{font-size:10px}.mobile-controls{background:var(--surface);border:1px solid var(--border);border-radius:14px;flex-direction:column;gap:18px;width:100%;max-width:560px;padding:18px 16px;display:flex;box-shadow:0 1px 4px #0000000f}.mobile-section{flex-direction:column;gap:8px;display:flex}.btn-download-mobile{justify-content:center;width:100%}}.drawer-scrim{z-index:199;background:#00000038;animation:.2s scrim-in;position:fixed;inset:0}@keyframes scrim-in{0%{opacity:0}to{opacity:1}}.drawer{background:var(--surface);border-right:1px solid var(--border);z-index:200;flex-direction:column;width:280px;height:100vh;transition:transform .24s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;top:0;left:0;transform:translate(-100%);box-shadow:6px 0 28px #00000024}.drawer.open{transform:translateX(var(--rail-w))}.drawer-head{border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;padding:18px 16px 14px;display:flex}.drawer-title{color:var(--ink);font-size:15px;font-weight:700}.drawer-close{color:var(--ink3);border-radius:6px;padding:4px 6px;font-size:16px;line-height:1;transition:color .12s}.drawer-close:hover{color:var(--red)}.drawer-user{align-items:center;gap:10px;min-width:0;display:flex}.drawer-avatar{object-fit:cover;border-radius:50%;flex-shrink:0;width:36px;height:36px}.drawer-user-info{flex-direction:column;gap:1px;min-width:0;display:flex}.drawer-user-name{color:var(--ink);white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:600;overflow:hidden}.drawer-user-email{color:var(--ink3);white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.drawer-body{flex-direction:column;flex:1;display:flex;overflow-y:auto}.drawer-auth-panel{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:14px;padding:32px 24px;display:flex}.drawer-auth-icon{width:56px;height:56px;color:var(--red);background:#cc312014;border-radius:16px;justify-content:center;align-items:center;display:flex}.drawer-auth-title{color:var(--ink);font-size:17px;font-weight:700}.drawer-auth-desc{color:var(--ink2);max-width:230px;font-size:13px;line-height:1.55}.drawer-auth-skip{color:var(--ink3);border:1px solid var(--border);border-radius:8px;margin-top:4px;padding:7px 18px;font-size:12px}.drawer-auth-skip:hover{background:var(--bg)}.drawer-limit-note{color:var(--ink3);font-size:11px;line-height:1.4}.drawer-section-label{color:var(--ink3);text-transform:uppercase;letter-spacing:.06em;padding:14px 16px 8px;font-size:11px;font-weight:700}.drawer-empty{color:var(--ink3);padding:12px 16px 20px;font-size:13px}.drawer-history{list-style:none}.drawer-history-item{border-bottom:1px solid var(--border);align-items:center;gap:8px;padding:10px 12px 10px 16px;transition:background .12s;display:flex}.drawer-history-item:last-child{border-bottom:none}.drawer-history-item:hover{background:var(--bg)}.drawer-history-main{cursor:pointer;flex-direction:column;flex:1;gap:3px;min-width:0;display:flex}.drawer-history-text{color:var(--ink);white-space:nowrap;text-overflow:ellipsis;font-family:Noto Serif SC,serif;font-size:15px;line-height:1.4;overflow:hidden}.drawer-history-meta{color:var(--ink3);font-size:11px}.drawer-history-dl{width:30px;height:30px;color:var(--ink3);border:1px solid var(--border);background:0 0;border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;transition:color .12s,background .12s,border-color .12s;display:flex}.drawer-history-dl:hover{color:var(--red);background:var(--bg);border-color:var(--red)}.drawer-history-dl svg{flex-shrink:0}.drawer-signout{color:var(--ink3);text-align:left;cursor:pointer;border-top:1px solid var(--border);margin:auto 16px 20px;padding:8px 0;font-size:12px;transition:color .12s}.drawer-signout:hover{color:var(--red)}.rail-spacer{flex:1}.rail-btn-profile{opacity:.45;transition:opacity .15s}.rail-btn-profile:hover{opacity:1}.rail-profile-avatar{object-fit:cover;border-radius:50%;width:22px;height:22px;display:block}.footer-stars{opacity:.55;align-items:center;gap:2px;transition:opacity .15s;display:flex}.footer-stars:hover{opacity:1}.star-icon{fill:#e8a020;stroke:#e8a020;stroke-width:1px;width:13px;height:13px}.auth-overlay{z-index:300;-webkit-backdrop-filter:blur(10px)saturate(.6);background:#00000094;justify-content:center;align-items:center;animation:.2s scrim-in;display:flex;position:fixed;inset:0}.auth-card{background:var(--surface);border-radius:22px;flex-direction:column;align-items:center;gap:14px;width:min(380px,100vw - 48px);padding:40px 32px 32px;animation:.22s cubic-bezier(.34,1.3,.64,1) card-in;display:flex;box-shadow:0 32px 100px #00000059}@keyframes card-in{0%{opacity:0;transform:scale(.92)translateY(16px)}to{opacity:1;transform:scale(1)translateY(0)}}.auth-card-icon{width:64px;height:64px;color:var(--red);background:#cc312014;border-radius:20px;justify-content:center;align-items:center;margin-bottom:2px;display:flex}.auth-card-icon svg{width:32px;height:32px}.auth-card-title{color:var(--ink);text-align:center;letter-spacing:-.02em;font-size:21px;font-weight:700}.auth-card-desc{color:var(--ink2);text-align:center;max-width:280px;font-size:13px;line-height:1.55}.auth-card-google{margin:6px 0 2px}.google-signin-btn{border:1px solid var(--border);background:var(--surface);color:var(--ink);cursor:pointer;white-space:nowrap;border-radius:8px;align-items:center;gap:10px;padding:10px 20px;font-size:14px;font-weight:500;transition:box-shadow .15s,background .15s;display:flex}.google-signin-btn:hover{background:var(--bg);box-shadow:0 2px 8px #0000001f}.auth-card-limit{color:var(--ink3);text-align:center;font-size:11px}.auth-card-skip{color:var(--ink3);border:1px solid var(--border);border-radius:8px;margin-top:2px;padding:8px 20px;font-size:12px;transition:background .15s,color .15s}.auth-card-skip:hover{background:var(--bg);color:var(--ink2)}.history-close{color:var(--ink3);cursor:pointer;padding:2px 4px;font-size:14px;line-height:1}.history-close:hover{color:var(--red)}.history-empty{color:var(--ink3);text-align:center;padding:20px 18px;font-size:13px}.history-list{max-height:280px;list-style:none;overflow-y:auto}.history-item{border-bottom:1px solid var(--border);cursor:pointer;flex-direction:column;gap:3px;padding:12px 18px;transition:background .12s;display:flex}.history-item:last-child{border-bottom:none}.history-item:hover{background:var(--bg)}.history-text{color:var(--ink);font-family:Noto Serif SC,serif;font-size:14px;line-height:1.4}.history-meta{color:var(--ink3);font-size:11px}.mode-tabs{background:var(--surface);border:1px solid var(--border);border-radius:10px;gap:4px;width:100%;max-width:560px;padding:4px;display:flex}.mode-tab{color:var(--ink3);border-radius:7px;flex:1;padding:8px 12px;font-size:13px;font-weight:500;transition:background .15s,color .15s}.mode-tab:hover:not(.active){background:var(--bg);color:var(--ink2)}.mode-tab.active{background:var(--red);color:#fff;font-weight:600}.stt-card{flex-direction:column;gap:16px;width:100%;max-width:560px;display:flex}.stt-lang-row{justify-content:space-between;align-items:center;gap:12px;display:flex}.stt-lang-select{max-width:200px}.stt-btns{grid-template-columns:1fr 1fr;gap:12px;display:grid}.stt-btn{background:var(--surface);border:2px solid var(--border);color:var(--ink2);cursor:pointer;border-radius:16px;flex-direction:column;justify-content:center;align-items:center;gap:14px;min-height:140px;padding:32px 20px;font-size:14px;font-weight:500;transition:border-color .15s,color .15s,box-shadow .15s;display:flex}.stt-btn:hover:not(:disabled){border-color:var(--red);color:var(--red);box-shadow:0 0 0 3px #cc312014}.stt-btn:disabled{opacity:.4;cursor:default}.stt-btn-icon{width:36px;height:36px}.stt-btn.recording{border-color:var(--red);color:var(--red);animation:1.2s ease-in-out infinite pulse-border}.stt-btn.recording .stt-btn-icon{fill:var(--red);stroke:none}@keyframes pulse-border{0%,to{box-shadow:0 0 #cc31204d}50%{box-shadow:0 0 0 10px #cc312000}}.stt-processing{color:var(--ink3);justify-content:center;align-items:center;gap:8px;padding:14px;font-size:13px;display:flex}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.stt-result{background:var(--surface);border:1.5px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:0 1px 4px #0000000f}.stt-result-text{color:var(--ink);white-space:pre-wrap;word-break:break-all;min-height:80px;padding:16px 18px;font-family:Noto Serif SC,serif;font-size:18px;line-height:1.75}.stt-result-actions{border-top:1px solid var(--border);justify-content:flex-end;align-items:center;gap:8px;padding:10px 14px;display:flex}.stt-copy-btn{border:1px solid var(--border);background:var(--bg);color:var(--ink2);border-radius:7px;align-items:center;gap:6px;padding:6px 14px;font-size:12px;font-weight:500;transition:background .15s,color .15s,border-color .15s;display:flex}.stt-copy-btn:hover{background:var(--border);color:var(--ink)}.stt-copy-btn.copied{color:#16a34a;border-color:#16a34a}