:root{--bg:#f7f8fa;--surface:#fff;--text:#20252b;--muted:#68717d;--border:#e5e8ed;--green:#1b7255;--green-soft:#edf6f1;--radius:14px;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button{cursor:pointer}button,select{min-height:44px}button{transition:background .18s,color .18s,border-color .18s;touch-action:manipulation}button:active{opacity:.75}button:disabled{opacity:.4;cursor:not-allowed}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible,#reader:focus-visible{outline:3px solid #50a98a;outline-offset:3px}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}.icon-defs{position:absolute;width:0;height:0;overflow:hidden}h1,h2,p{margin:0}h1,h2{font-size:16px;font-weight:600}a{color:inherit;text-decoration:none}[hidden]{display:none!important}.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}
.app-header{height:88px;padding:0 36px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border);background:var(--surface)}.brand{display:flex;align-items:center;gap:12px;font-size:22px;font-weight:750;letter-spacing:-.8px}.brand-light{font-weight:450}.brand-mark{display:grid;align-content:center;gap:4px;background:var(--green);width:36px;height:36px;border-radius:10px;padding:10px}.brand-mark span{height:2px;background:white;border-radius:2px}.brand-mark span:nth-child(2){width:65%}.header-right{display:flex;gap:28px;align-items:center}.header-note{font-size:14px;color:var(--muted)}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--border);border-radius:8px;padding:0 16px;background:var(--surface);font-size:14px;font-weight:550;white-space:nowrap}.primary{background:var(--green);color:#fff;border-color:var(--green);padding:0 20px}.primary:hover{background:#155b44}.primary svg{fill:currentColor;width:16px;height:16px;stroke-width:0}.subtle{background:transparent}.subtle:hover{background:#edf0f3}.workspace{display:grid;grid-template-columns:minmax(240px, .85fr) minmax(340px,1.65fr) minmax(270px,.85fr);gap:24px;padding:32px 36px 24px;max-width:1800px;margin:auto;align-items:start}.panel{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden}.panel-heading{height:62px;border-bottom:1px solid var(--border);padding:0 20px;display:flex;justify-content:space-between;align-items:center;gap:8px}.panel-heading h1,.panel-heading h2{display:flex;align-items:center;gap:9px}.panel-heading svg{width:18px;height:18px;color:var(--muted)}.small-label{font-size:11px;letter-spacing:1.5px;color:#7d8794}.editor-toolbar{padding:18px 20px 0;display:flex;flex-direction:column;gap:10px;font-size:13px;color:var(--muted)}.save-status{display:flex;gap:5px;align-items:center;font-size:12px;color:var(--green)}.save-status svg{width:13px;height:13px}textarea{display:block;resize:vertical;min-height:300px;height:410px;width:100%;border:0;background:transparent;outline-offset:-3px!important;padding:20px;line-height:1.95;color:#3b434c;font-size:16px}textarea::placeholder{color:#9299a1}.editor-bottom{display:flex;justify-content:space-between;gap:8px;margin:0 20px;padding:16px 0;border-top:1px solid var(--border);font-size:12px;color:var(--muted)}
.preview-heading{display:flex;justify-content:space-between;gap:12px;align-items:center;height:46px;margin-bottom:16px}.preview-heading h2{font-size:15px}.preview-heading h2 span{margin-left:9px;letter-spacing:1.2px;color:#89929e;font-size:10px;font-weight:500}.preview-heading .button{font-size:13px;min-height:44px;padding:0 12px}.preview-heading svg{width:16px;height:16px}.reader-shell{position:relative;isolation:isolate;height:560px;border-radius:var(--radius);overflow:hidden;background:#050505;--text-width:70%;--font-size:40px;--line-height:1.6;--mirror-x:1;--mirror-y:1;color:white}.reader-top{position:absolute;top:0;left:0;right:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:8px;height:56px;padding:0 20px;background:linear-gradient(#050505,rgba(5,5,5,.7),transparent);font-size:12px;color:#a4a4a4}.reader-status{display:flex;align-items:center;gap:6px}.reader-status:before{content:"";width:6px;height:6px;background:#989898;border-radius:50%}.reader-shell.running .reader-status:before{background:#71d2a5}.reader-dimensions{font-size:11px;letter-spacing:.3px}.reader{height:100%;overflow:auto;scrollbar-width:none;overscroll-behavior:contain;touch-action:pan-y;position:relative;z-index:2;transform:scaleY(var(--mirror-y))}.reader::-webkit-scrollbar{display:none}.script-column{width:var(--text-width);margin:0 auto;min-height:100%;padding-top:168px;padding-bottom:392px}.script-column #prompter-text{font-size:var(--font-size);line-height:var(--line-height);font-weight:550;white-space:pre-wrap;overflow-wrap:anywhere;transform:scaleX(var(--mirror-x));transform-origin:center;letter-spacing:.015em}.width-guide{pointer-events:none;position:absolute;top:80px;bottom:85px;left:calc((100% - var(--text-width))/2);width:var(--text-width);border-left:1px dashed #323232;border-right:1px dashed #323232;z-index:3}.width-tag{position:absolute;top:-20px;left:50%;transform:translateX(-50%);font-size:10px;color:#707070;white-space:nowrap;letter-spacing:1px}.reader-shell.running .width-guide,body.focus-mode .width-guide{display:none}.reading-guide{position:absolute;top:30%;left:0;right:0;height:calc(var(--font-size)*var(--line-height));background:rgba(255,255,255,.035);pointer-events:none;z-index:1}.reading-guide span{position:absolute;top:20px;left:10px;width:0;height:0;border-top:5px solid transparent;border-bottom:5px solid transparent;border-left:6px solid #71d2a5}.reader-controls{position:absolute;z-index:6;bottom:20px;left:50%;transform:translateX(-50%);display:grid;width:360px;max-width:calc(100% - 24px - env(safe-area-inset-left) - env(safe-area-inset-right));gap:8px;padding:8px 12px;background:rgba(28,29,30,.95);border:1px solid #393b3c;border-radius:12px;box-shadow:0 8px 32px #0006}.icon-button{border:0;background:transparent;color:#bbb;display:flex;align-items:center;justify-content:center;width:44px;height:44px;min-width:44px;border-radius:7px}.icon-button:hover{background:#ffffff15;color:#fff}.icon-button[aria-pressed=true]{color:#82d6b0;background:#203c30}.play-button{display:flex;align-items:center;justify-content:center;color:#153f2e;background:#a4e7c4;border:0;width:44px;height:44px;border-radius:50%;flex-shrink:0}.play-button:hover{background:#c0f1d8}.play-button svg{width:19px;height:19px;fill:currentColor;stroke-width:0}.play-button.paused-icon svg{fill:none;stroke-width:3}.reader-timer{font-family:ui-monospace,SFMono-Regular,monospace;font-size:13px;font-variant-numeric:tabular-nums;color:#e6e6e6;min-width:46px;margin:0 4px}.control-divider{width:1px;height:20px;background:#414141;margin:0 2px}.reader-controls [data-action=hide-controls]{display:none}.reader-progress{position:absolute;bottom:0;left:0;right:0;height:3px;background:#161a18;z-index:7}.reader-progress span{display:block;width:0;height:100%;background:#71d2a5}.preview-footer{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:11px;color:var(--muted);padding:16px 0}.preview-footer kbd{font-family:inherit;font-size:10px;padding:3px 5px;border:1px solid #dfe3e8;background:white;border-radius:4px;margin-right:4px}.preview-footer kbd:not(:first-child){margin-left:12px}
.text-button{padding:0;border:0;background:none;color:var(--muted);font-size:12px}.text-button:hover{color:var(--green)}.settings-content{padding:20px}.setting-label{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:14px}.setting-value{font-size:12px;white-space:nowrap;color:var(--muted);font-variant-numeric:tabular-nums}.range-extents{display:flex;justify-content:space-between;align-items:center;color:#7b8590;font-size:11px;margin-top:-3px}.setting-block{margin-bottom:22px}.setting-block.compact{margin-bottom:13px}input[type=range]{appearance:none;-webkit-appearance:none;width:100%;height:44px;margin:7px 0 0;background:transparent;cursor:pointer;--fill:50%}input[type=range]::-webkit-slider-runnable-track{height:4px;background:linear-gradient(to right,var(--green) var(--fill),#dce2e5 var(--fill));border-radius:3px}input[type=range]::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;border:3px solid white;width:17px;height:17px;background:var(--green);border-radius:50%;margin-top:-6.5px;box-shadow:0 0 0 1px #1b725566}input[type=range]::-moz-range-track{height:4px;background:#dce2e5;border-radius:3px}input[type=range]::-moz-range-progress{height:4px;background:var(--green)}input[type=range]::-moz-range-thumb{width:12px;height:12px;border:3px solid white;background:var(--green);border-radius:50%;box-shadow:0 0 0 1px #1b725566}.font-extents span:last-child{font-size:17px}.settings-divider{height:1px;background:var(--border);margin:18px 0}.switch-row{display:flex;align-items:center;justify-content:space-between;position:relative;cursor:pointer;min-height:62px;gap:10px}.switch-row strong{display:block;font-size:13px;font-weight:500}.switch-row small{display:block;font-size:11px;color:#828b97;margin-top:5px}.switch-row input{position:absolute;right:0;width:44px;height:44px;opacity:0;cursor:pointer;margin:0}.switch-track{width:34px;height:20px;background:#dfe4e8;border-radius:20px;flex:none;pointer-events:none;position:relative;transition:background .18s}.switch-track:after{content:"";position:absolute;left:3px;top:3px;width:14px;height:14px;border-radius:50%;background:white;box-shadow:0 1px 3px #0002;transition:transform .18s}.switch-row input:checked+.switch-track{background:var(--green)}.switch-row input:checked+.switch-track:after{transform:translateX(14px)}.switch-row input:focus-visible+.switch-track{outline:3px solid #50a98a;outline-offset:4px}.countdown-setting{font-size:13px}select{border:1px solid var(--border);background:var(--surface);border-radius:7px;padding:0 8px;font-size:12px;color:#58616b;min-height:44px}.settings-foot{display:flex;align-items:center;gap:7px;padding:14px 20px;background:#fafbfc;border-top:1px solid var(--border);color:#76808b;font-size:11px}.settings-foot svg{width:14px;height:14px}.app-footer{display:flex;justify-content:space-between;gap:10px;padding:4px 36px 24px;font-size:11px;color:#9098a3;max-width:1800px;margin:auto}.footer-separator{padding:0 8px;color:#c0c6cd}.mobile-tabs{display:none}.focus-exit{display:none}.show-controls{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);z-index:8;background:#1c1c1c;border:1px solid #444;color:#ccc;border-radius:20px;padding:0 16px;font-size:12px}.toast{position:fixed;bottom:90px;left:50%;transform:translateX(-50%);background:#263830;color:#fff;padding:12px 20px;border-radius:9px;z-index:50;font-size:14px;box-shadow:0 8px 32px #0003;max-width:calc(100% - 32px)}.countdown-overlay{position:absolute;inset:0;z-index:9;background:#000c;display:flex;align-items:center;justify-content:center;flex-direction:column;pointer-events:none}.countdown-overlay span{font-size:100px;font-weight:550;font-variant-numeric:tabular-nums;color:#a4e7c4}.countdown-overlay p{margin-top:12px;font-size:16px;color:#a5b3ac}
body.focus-mode{overflow:hidden;background:#000}body.focus-mode .reader-shell{position:fixed;inset:0;width:100%;height:100vh;height:100dvh;min-height:0;max-height:none;border-radius:0;z-index:30}body.focus-mode .focus-exit{display:flex}body.focus-mode .reader-top{padding:calc(8px + env(safe-area-inset-top)) 16px 8px;height:auto;min-height:60px;background:transparent}body.focus-mode .reader-controls{bottom:calc(16px + env(safe-area-inset-bottom))}body.focus-mode .reader-controls [data-action=hide-controls]{display:flex}body.focus-mode .reading-guide span{left:12px}body.focus-mode .reader-progress{display:none}body.focus-mode .show-controls{bottom:calc(16px + env(safe-area-inset-bottom))}body.controls-hidden .reader-top,body.controls-hidden .reader-controls{display:none}body.controls-hidden .show-controls{opacity:.35}body.controls-hidden .show-controls:hover{opacity:1}body.focus-mode .app-header,body.focus-mode .app-footer,body.focus-mode .mobile-tabs{visibility:hidden}
@media(min-width:1600px){.reader-shell{height:640px}textarea{height:490px}}
@media(max-width:1150px){.workspace{gap:16px;padding:24px;grid-template-columns:minmax(220px,.8fr) minmax(300px,1.5fr) minmax(245px,.85fr)}.app-header{padding:0 24px}.panel-heading,.settings-content{padding-left:16px;padding-right:16px}.preview-heading h2 span{display:none}.reader-shell{height:560px}.reader-controls{gap:3px;padding:7px}.reader-dimensions{display:none}.editor-toolbar{padding-left:16px;padding-right:16px}}
@media(max-width:900px){.app-header{height:72px;padding:0 20px}.header-note{display:none}.workspace{grid-template-columns:minmax(0,1fr);padding:20px 20px 92px;max-width:750px}.editor-panel,.settings-panel,.preview-panel{display:none}body[data-tab=reader] .preview-panel,body[data-tab=editor] .editor-panel,body[data-tab=settings] .settings-panel{display:block}.preview-heading{margin-bottom:12px}.preview-heading h2 span{display:inline}.reader-shell{height:calc(100dvh - 268px);min-height:340px;max-height:700px}.reader-dimensions{display:block}.app-footer{display:none}.mobile-tabs{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:center;gap:8px;background:#fff;border-top:1px solid var(--border);padding:8px 20px calc(8px + env(safe-area-inset-bottom));z-index:20}.mobile-tabs button{display:flex;align-items:center;justify-content:center;gap:8px;background:none;border:0;color:var(--muted);border-radius:8px;font-size:14px;width:30%;max-width:180px}.mobile-tabs button[aria-current=page]{background:var(--green-soft);color:var(--green);font-weight:600}.mobile-tabs svg{width:18px;height:18px}.settings-content{padding:20px}.settings-panel .setting-block{margin-bottom:14px}.setting-label{font-size:15px}.setting-value,.range-extents{font-size:13px}.switch-row strong{font-size:15px}.switch-row small,.settings-foot{font-size:12px}.editor-toolbar{font-size:14px}.editor-toolbar .save-status{font-size:12px}textarea{height:calc(100dvh - 420px);min-height:300px}.reader-controls{gap:6px;padding:8px 10px}body.focus-mode .preview-panel{display:block}}
@media(max-width:420px){.app-header{padding:0 16px}.brand{font-size:19px;gap:9px}.brand-mark{width:32px;height:32px;padding:8px}.primary{font-size:13px;padding:0 12px}.workspace{padding:16px 12px 90px}.preview-heading h2 span{display:none}.reader-top{padding:0 16px}.reader-controls{gap:3px;padding:7px}.reader-controls .icon-button{min-width:44px;width:44px}.reader-timer{font-size:12px;margin:0 2px}.preview-footer{font-size:10px}.preview-footer kbd:not(:first-child){margin-left:5px}body.focus-mode .reader-controls{gap:1px;padding:6px}body.focus-mode .reader-controls .icon-button{width:44px;min-width:44px}}
@media(max-height:500px) and (max-width:900px){.app-header{height:60px}.workspace{padding-top:10px}.reader-shell{height:300px}.mobile-tabs{padding-top:4px;padding-bottom:4px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;scroll-behavior:auto!important}}

.font-fit-hint{font-size:12px;line-height:1.7;color:var(--green);margin-top:7px}

.reader-buttons{display:flex;align-items:center;justify-content:center;gap:inherit}
.reader-quick-settings{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;padding:4px 4px 0;border-bottom:1px solid #3b403d}
.quick-setting{min-width:0}
.quick-setting-label{display:flex;justify-content:space-between;align-items:center;gap:6px;font-size:13px;color:#e2e8e4}
.quick-setting-label span{color:#b8c5bd;font-size:12px;font-variant-numeric:tabular-nums;white-space:nowrap}
.reader-quick-settings input[type=range]{margin:0;height:44px;display:block}
.reader-quick-settings input[type=range]::-webkit-slider-runnable-track{background:linear-gradient(to right,#a4e7c4 var(--fill),#4c5450 var(--fill))}
.reader-quick-settings input[type=range]::-webkit-slider-thumb{background:#a4e7c4;border-color:#262d29;box-shadow:0 0 0 1px #80b699}
.reader-quick-settings input[type=range]::-moz-range-track{background:#4c5450}
.reader-quick-settings input[type=range]::-moz-range-progress{background:#a4e7c4}
.reader-quick-settings input[type=range]::-moz-range-thumb{background:#a4e7c4;border-color:#262d29;box-shadow:0 0 0 1px #80b699}