:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC",sans-serif;color:#192130;background:#f3f5f8;font-synthesis:none}*{box-sizing:border-box}body{margin:0}.shell{max-width:1200px;margin:auto;padding:0 48px}header{height:100px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #dce0e7}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none;font-weight:800;font-size:17px;letter-spacing:1.5px}.brand svg{width:34px;fill:none;stroke:currentColor;stroke-width:2}.header-note{font-size:14px;color:#687181}main{padding:48px 0 64px}.intro{text-align:center;margin-bottom:30px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:2px;color:#6c7584}h1{font-size:28px;letter-spacing:1px;font-weight:600;margin:12px 0}.workspace{max-width:840px;background:#fff;border:1px solid #e1e5eb;border-radius:24px;margin:auto;padding:28px 48px 0;box-shadow:0 18px 55px #15234006}.mode-switch{display:flex;margin:auto;background:#f0f2f5;border-radius:12px;padding:5px;width:300px;max-width:100%;gap:4px}button{font:inherit;cursor:pointer;border:0;transition:background .15s,transform .15s}button:active{transform:translateY(1px)}button:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid #5887dc;outline-offset:4px}.mode-switch button{flex:1;background:transparent;border-radius:8px;padding:11px 6px;color:#626d7e;font-size:14px;font-weight:600}.mode-switch button[aria-pressed=true]{background:#192130;color:white;box-shadow:0 2px 4px #0002}.timer-area{text-align:center;padding-top:28px}#status{font-size:14px;color:#637083;margin:0 0 15px}.digits{display:flex;align-items:center;justify-content:center;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:clamp(48px,8.7vw,94px);font-weight:500;line-height:1.15;letter-spacing:-4px;font-variant-numeric:tabular-nums}.digits span{width:1.45em;letter-spacing:-.05em}.digits b{font-size:.63em;font-weight:400;color:#b3bac5;width:.52em}.units{display:flex;justify-content:space-around;max-width:510px;margin:12px auto 0;font-size:12px;color:#7b8493;letter-spacing:2px}.progress{height:4px;border-radius:4px;overflow:hidden;background:#eef0f3;margin:28px auto 0;max-width:510px}#bar{width:100%;height:100%;background:#9ac445;transition:width .1s linear}.actions{display:flex;justify-content:center;gap:12px;padding:30px 0 34px}.primary{background:#c7f36b;color:#243014;border-radius:12px;min-width:210px;padding:17px 24px;font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:24px}.primary:hover{background:#b8e65a}.secondary{border:1px solid #dce1e8;background:white;border-radius:12px;padding:16px 28px;color:#546071}.secondary:hover{background:#f3f5f8}.setup{border-top:1px solid #e8ebef;padding:24px 0}.setup-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}h2{font-size:14px;margin:0;font-weight:600}.setup-heading span{font-size:12px;color:#7a8391}.settings{display:flex;justify-content:space-between;gap:24px;align-items:flex-end}.fields{display:flex;align-items:center;gap:9px}.fields label{font-size:12px;color:#6c7687;display:grid;gap:7px}.fields i{font-style:normal;color:#a1a9b5;padding-top:18px}input{width:66px;padding:11px 6px;border:1px solid #dce1e8;border-radius:8px;background:#fafbfc;color:#263043;text-align:center;font:500 18px ui-monospace,monospace;appearance:textfield}input::-webkit-inner-spin-button{appearance:none}.presets{display:flex;gap:8px}.presets button{background:#f1f3f6;border:1px solid transparent;padding:12px 13px;border-radius:8px;color:#566173;font-size:14px;white-space:nowrap}.presets button:hover{border-color:#a9b1bf}.presets button:disabled,input:disabled{opacity:.5;cursor:not-allowed}#error{font-size:14px;color:#b12d40;margin:10px 0 0;min-height:0}#error:empty{display:none}#up-note{text-align:center;border-top:1px solid #e8ebef;padding:36px 0;color:#748092;font-size:14px}footer{display:flex;justify-content:space-between;padding:24px 0;border-top:1px solid #dce0e7;font-size:12px;color:#7a8493}footer span:first-child{letter-spacing:1px;font-weight:700}[hidden]{display:none!important}@media(max-width:650px){.shell{padding:0 20px}header{height:76px}.header-note{display:none}main{padding:34px 0 40px}h1{font-size:23px}.workspace{padding:22px 20px 0;border-radius:20px}.timer-area{padding-top:32px}.digits{font-size:clamp(38px,11vw,70px);letter-spacing:-2px}.settings{flex-direction:column;align-items:stretch;gap:18px}.fields{justify-content:center}.fields input{width:72px}.presets button{flex:1}.setup-heading span{display:none}.actions{gap:10px}.primary{min-width:0;flex:1}.secondary{padding:16px 22px}.units{max-width:100%}footer{gap:20px;font-size:12px}footer span:last-child{text-align:right}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}
/* Flat Mono family */
:root{color:#111;background:#fafafa;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans TC",Arial,sans-serif;font-size:16px;line-height:1.5}.shell{max-width:1120px;padding:32px 24px}header{height:auto;min-height:56px;padding-bottom:20px;border-color:#e5e5e5}.brand{font-size:17px;letter-spacing:.5px}.header-note{color:#6b6b6b}main{padding:24px 0 40px}.intro{text-align:left;margin-bottom:18px}h1{font-size:1.6rem;font-weight:700;line-height:1.12;letter-spacing:-.03em;margin:0}.workspace{max-width:none;border:1px solid #e5e5e5;border-radius:0;box-shadow:none;padding:24px 32px 0}.mode-switch{margin:0;background:white;padding:0;border:1px solid #cfcfcf;border-radius:0;gap:0}.mode-switch button{border-radius:0;min-height:44px;color:#111}.mode-switch button[aria-pressed=true]{background:#111;box-shadow:none}.timer-area{padding-top:36px}#status{color:#6b6b6b}.digits{font-size:clamp(48px,9vw,108px);color:#111}.digits b{color:#a3a3a3}.units{font-size:14px;color:#6b6b6b}.progress{border-radius:0;background:#e5e5e5}#bar{background:#111}.primary,.secondary,.presets button,input{border-radius:0;min-height:44px}.primary,.primary:hover{background:#111;color:white}.secondary,.presets button{color:#111;background:white;border:1px solid #cfcfcf}.secondary:hover{background:white}button:hover{opacity:.72}button:active{transform:none}button:focus-visible,input:focus-visible,a:focus-visible{outline:2px solid #111;outline-offset:2px}.setup{border-color:#e5e5e5}.setup-heading h2{font-size:1.05rem;font-weight:700}.setup-heading span,.fields label{font-size:14px;color:#6b6b6b}.fields label{font-weight:650}.fields i{color:#6b6b6b}input{color:#111;border-color:#cfcfcf;background:white}#up-note{color:#6b6b6b;border-color:#e5e5e5}footer{color:#6b6b6b;border-color:#e5e5e5}#error{color:#b42318}@media(max-width:760px){.shell{padding:20px 14px}.workspace{padding:18px 18px 0}.digits{font-size:clamp(38px,11vw,78px)}.settings{flex-direction:column;align-items:stretch}.presets button{flex:1}header{min-height:48px}.timer-area{padding-top:30px}}

.digits input{display:none;width:1.45em;min-width:0;height:auto;padding:0;border:0;border-bottom:1px solid #cfcfcf;background:transparent;font:inherit;line-height:1.15;letter-spacing:-.05em;text-align:center;color:inherit;border-radius:0}.digits.editing input{display:block}.digits.editing>span{display:none}.digits input:hover{background:#f5f5f5}.digits input:focus{outline:2px solid #111;outline-offset:2px}.settings{justify-content:center}.setup-heading{flex-wrap:wrap;gap:8px}@media(max-width:650px){.setup-heading span{display:block;font-size:14px}}

.digits.editing input{touch-action:pan-x pinch-zoom}

.timer-toolbar{display:grid;grid-template-columns:minmax(0,1fr) 44px;align-items:center;gap:16px;width:100%;flex-shrink:0}.timer-toolbar .mode-switch{grid-column:1;grid-row:1;width:100%;max-width:300px;min-width:0;margin:0}.timer-toolbar #fullscreen{grid-column:2;grid-row:1;justify-self:end;margin:0}#fullscreen{white-space:nowrap;padding:10px 16px;min-height:44px}#fullscreen-error{color:#b42318;font-size:14px}.workspace:is(:fullscreen,.page-fullscreen){width:100%;max-width:none;height:100%;margin:0;border:0;padding:32px;overflow:auto;display:flex;flex-direction:column;background:#fff}.workspace:is(:fullscreen,.page-fullscreen) .timer-area{margin-top:auto}.workspace:is(:fullscreen,.page-fullscreen) .digits{font-size:clamp(48px,15vw,200px)}.workspace:is(:fullscreen,.page-fullscreen) .units{max-width:850px}.workspace:is(:fullscreen,.page-fullscreen) .setup{margin-top:auto}.workspace:is(:fullscreen,.page-fullscreen) .actions{padding-bottom:32px}@media(max-width:650px){.timer-toolbar{gap:8px}.timer-toolbar .mode-switch{width:100%;min-width:0}.timer-toolbar .mode-switch button{font-size:14px;padding:10px 5px}.timer-toolbar #fullscreen{font-size:14px;padding:10px 8px}.workspace:is(:fullscreen,.page-fullscreen){padding:20px 14px}.workspace:is(:fullscreen,.page-fullscreen) .digits{font-size:clamp(38px,13vw,90px)}}

.timer-toolbar #fullscreen{width:44px;height:44px;padding:10px;display:inline-flex;align-items:center;justify-content:center}#fullscreen .collapse-icon{display:none}#fullscreen[aria-pressed="true"] .expand-icon{display:none}#fullscreen[aria-pressed="true"] .collapse-icon{display:block}

body.timer-expanded{overflow:hidden}.workspace.page-fullscreen{position:fixed;inset:0;z-index:1000;height:100dvh;box-sizing:border-box}