:root{--ink:#354a43;--muted:#81897c;--paper:#f6f5ed;--line:#e1e3d6;--green:#354f43;--lime:#d9e4ab;color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang TC","Microsoft JhengHei",sans-serif;font-size:15px}.wrap{max-width:1100px;margin-left:auto;margin-right:auto}header{height:92px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);gap:15px}.brand{text-decoration:none;color:var(--ink);font-size:22px;font-weight:750;display:flex;align-items:center;gap:12px}.brand-mark{width:37px;height:37px;background:var(--green);color:var(--lime);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:28px;line-height:1}.header-note{font-size:10px;letter-spacing:1.7px;color:var(--muted)}main{padding-top:45px}.intro{position:relative}.eyebrow{font-size:10px;font-weight:650;letter-spacing:1.8px;color:#849072;margin:0 0 17px}h1{font-size:clamp(36px,4.4vw,52px);letter-spacing:-1.8px;line-height:1.3;margin:0}h1 span{color:#939f57}.intro-copy{position:absolute;bottom:7px;right:0;font-size:14px;line-height:1.9;color:var(--muted);margin:0}.workspace{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:28px;margin-top:34px;align-items:stretch}.settings{padding:32px;background:#fffef8;border:1px solid var(--line);border-radius:22px;min-width:0}.section-index{font-size:10px;letter-spacing:1.2px;color:#91997d}h2{font-size:23px;margin:16px 0 9px;letter-spacing:-.5px}.settings-copy{color:var(--muted);font-size:13px;line-height:1.8;margin:0 0 25px}button,input{font:inherit}button{cursor:pointer;touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #ad7949;outline-offset:4px}button:disabled{opacity:.45;cursor:default}.presets{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:26px}.preset{min-height:86px;background:#f4f5eb;border:1px solid #e3e6d8;border-radius:12px;color:var(--ink);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px}.preset strong{font-size:26px;line-height:1.2;font-weight:650;font-variant-numeric:tabular-nums}.preset span{font-size:11px;color:#8c947e}.preset.active{background:var(--green);border-color:var(--green);color:#faffec}.preset.active span{color:#d5dfbd}.preset:not(:disabled):hover{border-color:#8a9d67}label{display:block;font-size:12px;font-weight:600;margin-bottom:10px}.custom-row{display:flex;gap:10px}.number-field{flex:1;min-width:0;position:relative}.number-field input{min-height:48px;border:1px solid #dce1ce;border-radius:9px;padding:11px 61px 11px 13px;width:100%;background:#fbfcf5;color:var(--ink);font-size:16px}.number-field span{position:absolute;right:15px;top:16px;font-size:12px;color:#8b927c;pointer-events:none}.apply{background:#edf0df;color:var(--ink);border:1px solid #dce2cd;border-radius:9px;padding:10px 19px;min-height:48px;font-size:13px}.apply:hover:not(:disabled){background:#e4eacb}.hint{font-size:11px;color:var(--muted);margin:10px 0 0}.error{font-size:12px;color:#aa442b;min-height:19px;margin:7px 0 0;line-height:1.6}.practice-note{display:flex;gap:14px;border-top:1px solid var(--line);padding-top:23px;margin-top:16px}.practice-note>span{font-size:33px;color:#9fa76b;line-height:1}.practice-note p{margin:0;font-size:12px;line-height:1.85;color:var(--muted)}.practice-note strong{font-weight:650;color:#667653}.storage-status{font-size:10px;color:#919680;line-height:1.8;margin:17px 0 0}.timer-card{background:#e9eddb;border:1px solid #dce3c9;border-radius:22px;padding:26px 32px 22px;min-width:0}.timer-top{display:flex;justify-content:space-between;align-items:center;gap:10px}.timer-top h2{font-size:13px;letter-spacing:0;margin:0;font-weight:600}.phase{padding:6px 11px;background:#dce4c8;border-radius:20px;font-size:10px;color:#6a7957}.clock{width:min(280px,100%);aspect-ratio:1;position:relative;margin:22px auto 17px;display:flex;align-items:center;justify-content:center}.clock-ring{width:100%;height:100%;position:absolute;inset:0;overflow:visible;transform:rotate(-90deg)}.clock-ring circle{fill:none;stroke-width:3}.ring-track{stroke:#d1dbbf}.ring-value{stroke:#87985f;stroke-linecap:round;stroke-dasharray:100;stroke-dashoffset:0}.clock-content{text-align:center;position:relative;max-width:100%;padding:15px}.clock-caption{font-size:10px;letter-spacing:1px;color:#859071}.time{font-size:clamp(50px,6vw,68px);font-weight:500;font-variant-numeric:tabular-nums;letter-spacing:-2px;line-height:1.1;margin:14px 0 13px}.duration-label{font-size:11px;color:#859071}.message{text-align:center;min-height:27px;font-size:13px;line-height:1.8;margin:0 0 15px;color:#677b55}.timer-actions{display:flex;gap:10px}.primary{display:flex;justify-content:space-between;align-items:center;flex:1;min-height:52px;background:var(--green);color:#f8ffeb;border:0;border-radius:10px;padding:13px 20px;font-size:14px;font-weight:600}.primary:hover{background:#253b32}.reset{min-height:52px;background:transparent;color:#60724f;border:1px solid #c5cfb2;border-radius:10px;min-width:76px;padding:12px;font-size:13px}.reset:hover:not(:disabled){background:#dfe6ce}.control-hint{font-size:10px;color:#8a9475;line-height:1.7;text-align:center;margin:12px 0 16px}.quiet-note{border-top:1px solid #d4dcc4;padding-top:15px;display:flex;justify-content:center;gap:7px;align-items:center;color:#83916f;font-size:10px}.quiet-note span{font-size:19px;line-height:1}.limits{display:flex;gap:10px;margin:25px 0 36px;color:#8a927d;font-size:11px;line-height:1.9}.limits p{margin:0}.limits>span{font-size:17px}.timer-card.finished{background:#e1ebc7}.finished .phase{background:#c7d898;color:#3a5229}.finished .message{font-weight:650;color:#466432}.finished .ring-value{stroke:#5c7d3d}.finished .time{color:#4f6c33}footer{border-top:1px solid var(--line);padding:22px 0 30px;display:flex;justify-content:space-between;gap:15px;font-size:11px;color:#8c947f}@media(max-width:1170px){.wrap{margin-left:30px;margin-right:30px}}@media(max-width:740px){.wrap{margin-left:20px;margin-right:20px}header{height:78px}.brand{font-size:20px}.header-note{display:none}main{padding-top:30px}.intro-copy{position:static;margin-top:18px}.intro-copy br{display:none}h1{font-size:clamp(32px,8vw,42px)}.workspace{grid-template-columns:1fr;gap:20px;margin-top:27px}.settings{padding:24px}.timer-card{padding:24px}.presets{margin-bottom:23px}.practice-note{margin-top:12px;padding-top:19px}.clock{width:min(260px,100%)}.time{font-size:62px}.limits br{display:none}footer{flex-direction:column;gap:8px}.message{font-size:12px}.eyebrow{font-size:9px;letter-spacing:1.2px}.limits{margin-bottom:28px}}@media(max-width:350px){.wrap{margin-left:15px;margin-right:15px}.settings,.timer-card{padding:20px}.preset strong{font-size:24px}.time{font-size:53px}.clock-caption{font-size:9px}.primary{padding:12px 15px}.reset{min-width:65px}}
