:root{--bg:#000;--fg:#fff;--fg-dim:#ffffff80;--fg-muted:#ffffff4d;--accent:#fff;--glass:#ffffff0f;--glass-border:#ffffff1f;--glass-hover:#ffffff1a;--radius:16px;--radius-sm:10px;--font-geist-sans:"Geist Sans", ui-sans-serif, system-ui, sans-serif;--font-geist-mono:"Geist Mono", ui-monospace, monospace;--font-sans:var(--font-geist-sans);--font-serif:"Fraunces", Georgia, serif;--font-mono:var(--font-geist-mono);--transition:.2s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;width:100%;height:100dvh;overflow:hidden}body{font-family:var(--font-sans);background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button{cursor:pointer;color:inherit;font-family:inherit;font-size:inherit;touch-action:manipulation;background:0 0;border:none}input,textarea,select{color:inherit;background:0 0;border:none;outline:none;font-family:inherit}.app{flex-direction:column;height:100%;display:flex;position:relative}.glass{background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius);-webkit-backdrop-filter:blur(24px)saturate(1.2)}.input-screen{flex-direction:column;flex:1;justify-content:center;align-items:center;gap:32px;padding:64px 24px 24px;display:flex;overflow-y:auto}.brand{flex-direction:column;align-items:center;gap:8px;display:flex}.brand-logo{border-radius:16px;width:64px;height:64px}.brand-name{font-family:var(--font-sans);letter-spacing:-.025em;font-size:28px;font-weight:500}.brand-tag{text-transform:uppercase;letter-spacing:2px;color:var(--fg-dim);font-size:11px}.hero{text-align:center;max-width:520px}.hero h1{font-family:var(--font-sans);letter-spacing:-.025em;margin-bottom:12px;font-size:clamp(24px,5vw,36px);font-weight:500;line-height:1.3}.hero p{color:var(--fg-dim);font-size:14px;line-height:1.6}.input-panel{flex-direction:column;gap:12px;width:100%;max-width:560px;display:flex}.input-panel textarea{resize:vertical;width:100%;min-height:140px;color:var(--fg);border-radius:var(--radius);background:var(--glass);border:1px solid var(--glass-border);transition:border-color var(--transition);padding:16px;font-size:14px;line-height:1.6}.input-panel textarea::placeholder{color:var(--fg-muted)}.input-panel textarea:focus{border-color:#ffffff4d}.url-row{gap:8px;display:flex}.url-row input{border-radius:var(--radius-sm);background:var(--glass);border:1px solid var(--glass-border);flex:1;padding:12px 16px;font-size:14px}.url-row input::placeholder{color:var(--fg-muted)}.btn{border-radius:var(--radius-sm);transition:all var(--transition);white-space:nowrap;padding:10px 20px;font-size:13px;font-weight:500}.btn-primary{background:var(--fg);color:var(--bg)}.btn-primary:hover{opacity:.85}.btn-ghost{background:var(--glass);border:1px solid var(--glass-border);color:var(--fg)}.btn-ghost:hover{background:var(--glass-hover)}.start-row{justify-content:center;align-items:center;gap:16px;display:flex}.word-info{color:var(--fg-muted);font-size:12px}.reader-screen{flex-direction:column;flex:1;display:flex;position:relative}.reader-stage{-webkit-user-select:none;user-select:none;touch-action:none;cursor:pointer;flex:1;justify-content:center;align-items:center;padding:24px;display:flex;position:relative}.word-display{letter-spacing:-1px;justify-content:center;align-items:baseline;font-size:clamp(36px,10vw,72px);font-weight:400;transition:opacity 50ms;display:flex}.word-display.font-serif{font-family:var(--font-serif);font-weight:300}.word-display.font-mono{font-family:var(--font-mono);font-size:clamp(28px,8vw,56px);font-weight:400}.word-display.font-sans{font-family:var(--font-sans)}.word-before{color:var(--fg-dim);font-weight:300}.word-pivot{color:var(--accent);font-weight:700}.word-after{color:var(--fg-dim);font-weight:300}.gesture-toast{background:var(--glass);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(12px);color:var(--fg);pointer-events:none;opacity:0;z-index:5;border-radius:999px;padding:10px 18px;font-size:13px;font-weight:500;transition:opacity .15s;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.gesture-toast.visible{opacity:1}.minimap{background:var(--glass);border-left:1px solid var(--glass-border);cursor:pointer;z-index:4;-webkit-tap-highlight-color:transparent;width:52px;position:absolute;top:0;bottom:0;right:0;overflow:hidden}.minimap-text{color:var(--fg-muted);word-break:break-all;height:100%;padding:8px 4px;font-size:3px;line-height:4.5px;overflow:hidden}.minimap-text p{margin-bottom:3px}.minimap-highlight{pointer-events:none;background:#ffffff26;border-radius:2px;height:12px;transition:top .15s;position:absolute;left:0;right:0;transform:translateY(-50%)}.controls-bar{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;padding:16px 24px;display:flex}.ctrl-btn{background:var(--glass);border:1px solid var(--glass-border);width:44px;height:44px;transition:all var(--transition);-webkit-tap-highlight-color:transparent;border-radius:50%;justify-content:center;align-items:center;display:flex}.ctrl-btn:hover{background:var(--glass-hover)}.ctrl-btn:active{transform:scale(.92)}.ctrl-btn.active{background:var(--fg);color:var(--bg);border-color:var(--fg)}.wpm-badge{color:var(--fg-dim);margin-left:12px;font-size:12px;font-weight:500}.progress-bar{background:var(--glass-border);height:2px;position:relative}.progress-fill{background:var(--fg);height:100%;transition:width .1s linear}.settings-overlay{z-index:100;background:#0009;justify-content:center;align-items:flex-end;animation:.2s fadeIn;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}.settings-panel{border-radius:var(--radius) var(--radius) 0 0;flex-direction:column;gap:20px;width:100%;max-width:480px;max-height:80vh;padding:24px;animation:.25s cubic-bezier(.4,0,.2,1) slideUp;display:flex;overflow-y:auto}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.setting-row{justify-content:space-between;align-items:center;gap:12px;display:flex}.setting-label{color:var(--fg-dim);white-space:nowrap;font-size:13px}.setting-select{background:var(--glass);border:1px solid var(--glass-border);color:var(--fg);border-radius:8px;min-width:120px;padding:8px 12px;font-size:13px}.setting-select option{color:#fff;background:#111}.settings-header{justify-content:space-between;align-items:center;display:flex}.settings-title{font-size:16px;font-weight:600}.stepper-row{justify-content:space-between;align-items:center;gap:12px;display:flex}.stepper-control{background:var(--glass);border:1px solid var(--glass-border);border-radius:24px;align-items:center;gap:4px;padding:4px;display:flex}.stepper-btn{width:36px;height:36px;transition:all var(--transition);-webkit-tap-highlight-color:transparent;background:0 0;border-radius:50%;justify-content:center;align-items:center;display:flex}.stepper-btn:hover:not(:disabled){background:var(--glass-hover)}.stepper-btn:active:not(:disabled){transform:scale(.9)}.stepper-btn:disabled{opacity:.3;cursor:default}.stepper-value{text-align:center;font-variant-numeric:tabular-nums;min-width:56px;font-size:14px;font-weight:600}.stepper-unit{color:var(--fg-dim);margin-left:2px;font-size:11px;font-weight:400}.top-bar{justify-content:space-between;align-items:center;padding:12px 20px;display:flex}.top-bar-brand{font-family:var(--font-sans);letter-spacing:-.025em;font-size:16px;font-weight:500}.top-bar-actions{gap:8px;display:flex}.done-overlay{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:50;background:#000000d9;flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex;position:absolute;top:0;bottom:0;left:0;right:0}.done-text{font-family:var(--font-sans);letter-spacing:-.025em;font-size:24px;font-weight:500}.history-list{flex-direction:column;gap:8px;display:flex}.history-item{border-radius:var(--radius-sm);background:var(--glass);border:1px solid var(--glass-border);transition:background var(--transition);align-items:center;gap:12px;padding:12px;display:flex}.history-item:hover{background:var(--glass-hover)}.history-item-main{cursor:pointer;flex:1;min-width:0}.history-item-title{white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:500;overflow:hidden}.history-item-meta{color:var(--fg-muted);margin-top:4px;font-size:11px}.history-item-bar{background:var(--glass-border);border-radius:1px;height:2px;margin-top:6px;overflow:hidden}.history-item-bar-fill{background:var(--fg);height:100%;transition:width .2s}.history-item-actions{flex-shrink:0;gap:4px;display:flex}.history-item-actions .ctrl-btn{width:32px;height:32px}.upload-zone{border:1.5px dashed var(--glass-border);border-radius:var(--radius-sm);cursor:pointer;color:var(--fg-dim);transition:all var(--transition);flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:16px;font-size:13px;display:flex}.upload-zone:hover,.upload-zone.drag-over{border-color:var(--fg-dim);background:var(--glass)}.upload-formats{color:var(--fg-muted);font-size:11px}.listen-btn{align-items:center;gap:6px;display:inline-flex}.listen-bar{border-radius:var(--radius-sm);background:var(--glass);border:1px solid var(--glass-border);align-items:center;gap:10px;padding:10px 16px;display:flex}.listen-bar .ctrl-btn{flex-shrink:0;width:36px;height:36px}.listen-progress{background:var(--glass-border);border-radius:2px;flex:1;height:4px;overflow:hidden}.listen-progress-fill{background:var(--fg);height:100%;transition:width .2s linear}.listen-counter{color:var(--fg-dim);white-space:nowrap;font-variant-numeric:tabular-nums;font-size:11px}.history-mode-icon{vertical-align:middle;opacity:.6;margin-right:6px;display:inline-flex}@media (max-width:600px){.controls-bar{gap:8px;padding:12px 16px}.ctrl-btn{width:44px;height:44px}.settings-panel{max-height:85vh;padding:20px 16px}.stepper-btn{width:40px;height:40px}.input-screen{gap:24px;padding:60px 16px 16px}.minimap{width:36px}.minimap-text{font-size:2.5px;line-height:3.5px}}