:root{font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:#29362b;background:#f4f3ec;font-synthesis:none;--green:#536c50;--muted:#858a7e;--line:#e6e8dc}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer}button,a,input,summary{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #a0b58a;outline-offset:4px}button{transition:background .2s,transform .2s}button:active{transform:translateY(1px)}.header{max-width:1216px;margin:auto;padding:30px 32px;display:flex;align-items:center;justify-content:space-between}.brand{color:inherit;text-decoration:none;font-weight:650;font-size:19px;display:flex;align-items:center;gap:9px}.brand-icon{font-size:30px;color:var(--green);font-weight:400}.brand-en{font-size:9px;letter-spacing:1.8px;font-weight:500;color:var(--muted);margin-left:10px}.icon-button{border:1px solid #dfe3d6;border-radius:30px;padding:9px 14px;background:transparent;color:#68725f;font-size:13px}.icon-button:hover{background:#e9ecdf}main{max-width:1000px;margin:auto;padding:20px 32px 0}.intro{text-align:center;margin:5px 0 34px}.eyebrow{font-size:11px;letter-spacing:2px;color:#6f8067;display:flex;justify-content:center;align-items:center;gap:7px}.eyebrow span{width:5px;height:5px;border-radius:50%;background:#7f966a}h1{font-family:"Songti SC","Noto Serif CJK SC",serif;font-size:38px;letter-spacing:3px;font-weight:500;margin:18px 0 11px}.intro p{color:#929487;font-size:13px;letter-spacing:1px;margin:0}.workspace{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:22px;align-items:start}.timer-card{background:#fffefa;border:1px solid #e6e6dc;border-radius:22px;padding:27px 28px 21px;text-align:center;box-shadow:0 12px 40px #39482c04}.mode-tabs{display:flex;background:#f1f2eb;padding:5px;border-radius:11px;max-width:336px;margin:auto;gap:3px}.mode-tabs button{border:0;background:transparent;color:#8c9084;border-radius:8px;padding:10px 8px;flex:1;font-size:13px;white-space:nowrap}.mode-tabs button[aria-pressed=true]{background:#fffefa;color:var(--green);box-shadow:0 2px 5px #24381c08}.clock{position:relative;width:min(100%,306px);aspect-ratio:1;margin:27px auto 25px}.ring{width:100%;height:100%;transform:rotate(-90deg);overflow:visible}.ring circle{fill:none;stroke-width:3}.ring .ring-track{stroke:#ecefe3}.ring .ring-progress{stroke:#8fa67a;stroke-linecap:round;stroke-dasharray:936.1946;stroke-dashoffset:0;transition:stroke-dashoffset .3s}.clock-content{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column}.clock-label{font-size:11px;letter-spacing:3px;color:#81906f}.time{font-size:67px;line-height:1.35;font-weight:350;font-variant-numeric:tabular-nums;letter-spacing:-3px;margin:6px 0}.timer-hint{font-size:12px;color:#a2a593;letter-spacing:1px}.timer-controls{display:flex;gap:12px;align-items:center;justify-content:center}.main-button{background:var(--green);border:0;color:#fff;border-radius:11px;min-width:202px;height:49px;display:flex;align-items:center;justify-content:center;gap:13px;font-size:14px;letter-spacing:1px}.main-button:hover{background:#425e40}#play-icon{font-size:11px}.reset-button{background:transparent;color:#7c866f;font-size:27px;border:1px solid #e3e7da;border-radius:11px;height:49px;width:49px}.reset-button:hover{background:#f1f3e9}.round-row{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:23px;font-size:11px;color:#8f9683}.round-dots{display:flex;gap:7px}.round-dots i{width:7px;height:7px;border-radius:50%;background:#e6eadf}.round-dots i.done{background:#6f8761}.round-dots i.current{background:#bbc9ac}.status{font-size:11px;line-height:1.7;color:#9a9f8d;margin:13px 0 0;min-height:19px}aside{display:flex;flex-direction:column;gap:16px}.task-card{background:#e9eddf;border:1px solid #e3e6d8;border-radius:19px;padding:26px 26px 0;overflow:hidden;min-height:252px}.section-kicker{font-size:9px;letter-spacing:1.8px;color:#89947b}h2{font-size:15px;font-weight:550;letter-spacing:.5px;margin:14px 0 17px}.task-card input{width:100%;border:0;border-bottom:1px solid #cfd6bf;padding:10px 0 13px;background:transparent;color:#3b5137;border-radius:0;font-size:14px}.task-card input::placeholder{color:#929c83}.task-card p{font-size:11px;color:#8d967e;line-height:1.8;margin:14px 0 0}.sprout{height:70px;text-align:right;margin-top:-3px}.sprout svg{width:130px;height:85px;fill:#d5dec6;stroke:#a9ba93;stroke-width:1.2}.today-card{padding:23px 25px 20px;background:#fffefa;border:1px solid #e6e6dc;border-radius:19px}.section-heading{display:flex;justify-content:space-between;gap:8px;align-items:center}.section-heading h2{margin:0;font-size:13px}.section-heading>span{font-size:10px;color:#9ca18f}.stats{display:grid;grid-template-columns:1fr 1fr;margin:22px 0}.stats>div{display:flex;flex-direction:column;gap:7px}.stats>div+div{border-left:1px solid #eceee4;padding-left:26px}.stats strong{font-size:34px;font-weight:400;line-height:1;font-variant-numeric:tabular-nums}.stats span{font-size:11px;color:#929986}.daily-note{border-top:1px solid #eceee4;padding-top:15px;font-size:11px;color:#9ba08f;display:flex;gap:7px}.daily-note>span:first-child{color:#9cac87}.settings{border:1px solid #dfe3d4;border-radius:13px;padding:0 20px;color:#7a846e;background:#f0f1e8}.settings summary{list-style:none;display:flex;justify-content:space-between;font-size:12px;padding:16px 0;cursor:pointer}.settings summary::-webkit-details-marker{display:none}.settings[open] summary>span{transform:rotate(45deg)}.settings form{padding-bottom:18px}.setting-fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.setting-fields label{font-size:11px;display:flex;flex-direction:column;gap:7px}.setting-fields input{width:100%;border:1px solid #d9dfcc;border-radius:6px;background:#fffefa;padding:8px;color:#46583d}.setting-fields label>span{color:#939c86;font-size:10px}.settings p{font-size:10px;line-height:1.7}.save-button{border:0;border-radius:7px;color:#fff;background:var(--green);font-size:11px;padding:9px 13px}footer{display:flex;align-items:center;justify-content:center;gap:8px;font-size:10px;color:#a2a797;padding:27px 0;letter-spacing:.6px}.footer-mark{font-size:18px}.privacy{margin-left:14px;border-left:1px solid #d9ddce;padding-left:18px}.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}body[data-mode=short],body[data-mode=long]{--green:#527775}body[data-mode=short] .ring-progress,body[data-mode=long] .ring-progress{stroke:#91b1aa}@media(min-width:1400px){main{padding-top:35px}.intro{margin-bottom:40px}.header{padding-top:36px}}@media(max-width:650px){.header{padding:20px}.brand{font-size:17px}.brand-en{display:none}.icon-button{font-size:11px;padding:8px 10px}main{padding:12px 18px 0}.intro{margin:6px 0 26px}h1{font-size:29px;letter-spacing:2px;margin:16px 0 10px}.intro p{font-size:12px}.eyebrow{font-size:10px}.workspace{grid-template-columns:1fr;gap:17px}.timer-card{padding:22px 20px}.clock{width:270px;max-width:100%;margin:23px auto}.time{font-size:61px}.task-card{min-height:215px;padding:23px 23px 0}.sprout{height:48px}aside{gap:14px}.today-card{padding:22px}.stats{margin:20px 0}.privacy{margin-left:0;padding-left:9px}footer{font-size:9px;gap:5px;letter-spacing:0;flex-wrap:wrap} .main-button{min-width:190px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.sync-bar{display:flex;justify-content:flex-end;align-items:center;gap:8px;font-size:10px;color:#87957b;margin:-8px 0 15px}.sync-bar button{font-size:10px;border:0;background:transparent;color:#687e59;text-decoration:underline;text-underline-offset:3px}button:disabled{opacity:.5;cursor:wait}.sync-bar[data-error=true]{color:#9c654d}

.ambient-card{padding:22px 24px;background:#fffefa;border:1px solid #e6e6dc;border-radius:19px}.ambient-card h2{font-size:13px}.noise-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin:18px 0}.noise-options button{padding:11px 3px;border:1px solid #e3e7da;border-radius:9px;background:transparent;color:#7c8770;display:flex;flex-direction:column;gap:6px;align-items:center}.noise-options strong{font-size:12px;font-weight:550}.noise-options span{font-size:9px;color:#949d87}.noise-options button[aria-pressed=true]{border-color:#a6b995;background:#edf1e5;color:#4f6846}.volume-heading{display:flex;justify-content:space-between;color:#8b957f;font-size:10px}.ambient-card input[type=range]{width:100%;margin:13px 0 17px;accent-color:#6e875c;cursor:pointer}.ambient-button{width:100%;padding:11px;border:1px solid #d5ddc9;border-radius:8px;color:#5a704e;background:#f1f4ea;font-size:12px}.ambient-button[aria-pressed=true]{background:#e5eddb}.ambient-card p{font-size:10px;line-height:1.7;color:#8c9680;margin:11px 0 0}.ambient-card .ambient-note{font-size:9px;color:#a1a693;border-top:1px solid #eef0e8;padding-top:10px}@media(max-width:650px){.ambient-card{padding:22px}.noise-options span{font-size:10px}}

.recording-options{grid-template-columns:repeat(2,minmax(0,1fr));margin:14px 0 12px}.recording-options button{padding:13px 7px;align-items:flex-start;padding-left:14px}.recording-options strong{font-size:13px}.recording-options span{font-size:10px}.ambient-card .ambient-intro{margin-top:9px}.ambient-extra{margin:0 0 17px}.ambient-extra summary,.ambient-credits summary{font-size:10px;color:#76856a;cursor:pointer;padding:5px 0;line-height:1.8}.ambient-extra .noise-options{margin:9px 0 0}.ambient-credits{border-top:1px solid #eef0e8;margin-top:12px;padding-top:7px}.ambient-credits ul{padding-left:16px;margin:8px 0;font-size:10px;line-height:1.9;color:#7c8770;overflow-wrap:anywhere}.ambient-credits a{color:#536c50;text-underline-offset:2px}.ambient-card .ambient-credits p{font-size:10px;color:#7c8770}

[hidden]{display:none!important}.account-controls{display:flex;align-items:center;gap:15px;font-size:12px;color:#68735e}.account-controls #logout,#logout-retry{border:1px solid #d5ddc9;border-radius:8px;background:transparent;color:#536c50;padding:9px 12px}.login-panel{max-width:420px;margin:65px auto 80px;padding:36px;background:#fafbf5;border:1px solid #e0e5d7;border-radius:22px}.login-panel h1{font-size:25px;line-height:1.5;margin:14px 0}.login-panel p{font-size:13px;color:#79836e;line-height:1.8}.login-panel form{display:flex;flex-direction:column;margin-top:28px}.login-panel label{font-size:13px;color:#596b4c;margin:14px 0 9px}.login-panel input{width:100%;box-sizing:border-box;min-height:44px;border:1px solid #d5ddc9;border-radius:9px;background:#fffef9;padding:10px 13px;font:inherit;color:#3f5037}.login-panel input:focus{outline:2px solid #9eae8f;outline-offset:2px}.login-panel .main-button{margin-top:26px;width:100%;justify-content:center}.login-panel #login-message{min-height:24px;margin-bottom:0}.login-panel #login-message[data-error=true]{color:#a14e40}.login-panel .login-note{font-size:11px;margin-top:23px}.login-panel button:disabled{opacity:.6;cursor:wait}@media(max-width:650px){.login-panel{margin:40px 20px;padding:26px}.account-controls{gap:9px;flex-wrap:wrap;justify-content:flex-end}.account-controls #account-name{max-width:110px;overflow:hidden;text-overflow:ellipsis}.header{gap:12px}}

/* Theme selection is local to this device and available before sign-in. */
:root{color-scheme:light}
.header-actions{display:flex;align-items:center;justify-content:flex-end;gap:18px}
.theme-toggle{display:inline-flex;align-items:center;justify-content:center;gap:7px;white-space:nowrap;min-height:40px;flex-shrink:0}
#theme-icon{font-size:17px;line-height:1}
button:disabled{cursor:not-allowed}
button:disabled:active{transform:none}
input:disabled{cursor:not-allowed}
input{min-width:0}
@media(max-width:800px){.brand-en{display:none}.header-actions{gap:12px}.account-controls{gap:10px}}
@media(max-width:650px){.header{flex-wrap:wrap;row-gap:12px}.brand{white-space:nowrap}.header-actions{display:contents}.theme-toggle{margin-left:auto;min-height:40px;padding:8px 12px}.account-controls{width:100%;min-width:0}.account-controls #account-name{margin-right:auto}.account-controls button{min-height:40px}}

/* Low-glare forest charcoal, soft sage accents, no pure-white surfaces or text. */
:root[data-theme=dark]{color-scheme:dark;background:#171d1b;color:#d0d8cc;--green:#97b28e;--muted:#a4b09f;--line:#3d4d40;--dark-panel:#202823;--dark-inset:#19221d;--dark-subtle:#26332a;--dark-text:#d0d8cc;--dark-muted:#a4b09f;--dark-border:#3d4d40;--dark-control-border:#6a806c;--dark-focus:#a9c59f;--dark-hover:#304035;--dark-button-text:#172118;--dark-button:#97b28e;--dark-button-hover:#a4bd9c;--dark-error:#e2a18c}
:root[data-theme=dark] body{background:#171d1b}
:root[data-theme=dark] body[data-mode=short],:root[data-theme=dark] body[data-mode=long]{--green:#99bcb5;--dark-button:#99bcb5;--dark-button-hover:#aac9c3}
:root[data-theme=dark] :is(button,a,input,summary):focus-visible{outline-color:var(--dark-focus)}
:root[data-theme=dark] .login-panel input:focus{outline-color:var(--dark-focus)}
:root[data-theme=dark] :is(.timer-card,.today-card,.ambient-card,.login-panel){background:var(--dark-panel);border-color:var(--dark-border);box-shadow:0 12px 40px #00000012}
:root[data-theme=dark] :is(.task-card,.settings){background:var(--dark-subtle);border-color:var(--dark-border)}
:root[data-theme=dark] :is(.icon-button,.reset-button,.noise-options button){background:transparent;border-color:var(--dark-control-border);color:var(--dark-text)}
:root[data-theme=dark] :is(.icon-button,.reset-button,.noise-options button):hover:not(:disabled){background:var(--dark-hover)}
:root[data-theme=dark] .mode-tabs{background:var(--dark-inset)}
:root[data-theme=dark] .mode-tabs button{color:var(--dark-muted)}
:root[data-theme=dark] .mode-tabs button:hover:not(:disabled){background:var(--dark-hover)}
:root[data-theme=dark] .mode-tabs button[aria-pressed=true]{background:#354739;color:#c6d9bc;box-shadow:inset 0 0 0 1px var(--dark-control-border)}
:root[data-theme=dark] :is(.main-button,.save-button){background:var(--dark-button);color:var(--dark-button-text)}
:root[data-theme=dark] :is(.main-button,.save-button):hover:not(:disabled){background:var(--dark-button-hover)}
:root[data-theme=dark] :is(.main-button,.save-button):disabled{background:#465747;color:#c2cbbb;opacity:1}
:root[data-theme=dark] button:disabled{opacity:.6}
:root[data-theme=dark] .ring .ring-track{stroke:#3b493b}
:root[data-theme=dark] .ring .ring-progress{stroke:#97b28e}
:root[data-theme=dark] body[data-mode=short] .ring-progress,:root[data-theme=dark] body[data-mode=long] .ring-progress{stroke:#99bcb5}
:root[data-theme=dark] .round-dots i{background:#4b5c4b}
:root[data-theme=dark] .round-dots i.done{background:#97b28e}
:root[data-theme=dark] .round-dots i.current{background:#c2d0b6}
:root[data-theme=dark] :is(.eyebrow,.clock-label,.daily-note>span:first-child){color:#afc29f}
:root[data-theme=dark] .eyebrow span{background:#97b28e}
:root[data-theme=dark] :is(.intro p,.timer-hint,.round-row,.status,.section-kicker,.task-card p,.section-heading>span,.stats span,.daily-note,.settings,.setting-fields label>span,footer,.sync-bar,.volume-heading,.noise-options span,.ambient-card p,.ambient-card .ambient-note,.ambient-extra summary,.ambient-credits summary,.ambient-credits ul,.ambient-card .ambient-credits p,.account-controls,.login-panel p,.login-panel label){color:var(--dark-muted)}
:root[data-theme=dark] :is(.sync-bar button,.ambient-credits a){color:#b2cba7}
:root[data-theme=dark] :is(.settings summary,.ambient-extra summary,.ambient-credits summary):hover{color:var(--dark-text)}
:root[data-theme=dark] :is(.task-card input,.setting-fields input,.login-panel input){color:var(--dark-text);border-color:var(--dark-control-border);caret-color:#c2d0b6}
:root[data-theme=dark] :is(.setting-fields input,.login-panel input){background:var(--dark-inset)}
:root[data-theme=dark] input::placeholder{color:#a4b09f;opacity:1}
:root[data-theme=dark] input:autofill{box-shadow:0 0 0 1000px var(--dark-inset) inset;color:var(--dark-text)}
:root[data-theme=dark] input:-webkit-autofill{-webkit-box-shadow:0 0 0 1000px var(--dark-inset) inset;-webkit-text-fill-color:var(--dark-text)}
:root[data-theme=dark] .sprout svg{fill:#354a38;stroke:#7d9874}
:root[data-theme=dark] :is(.stats>div+div,.daily-note,.privacy,.ambient-card .ambient-note,.ambient-credits){border-color:var(--dark-border)}
:root[data-theme=dark] .noise-options button[aria-pressed=true]{border-color:#97b28e;background:#354739;color:#c6d9bc}
:root[data-theme=dark] .ambient-card input[type=range]{accent-color:#97b28e}
:root[data-theme=dark] .ambient-button{border-color:var(--dark-control-border);background:#2c3d30;color:#c6d9bc}
:root[data-theme=dark] .ambient-button[aria-pressed=true]{background:#354b37;border-color:#97b28e}
:root[data-theme=dark] .ambient-button:hover:not(:disabled){background:#3a503c}
:root[data-theme=dark] .sync-bar[data-error=true],:root[data-theme=dark] .login-panel #login-message[data-error=true]{color:var(--dark-error)}
:root[data-theme=dark] ::selection{background:#4a604b;color:#e0e8db}

:root[data-theme=dark] :is(.account-controls #logout,#logout-retry){background:transparent;border-color:var(--dark-control-border);color:var(--dark-text)}
:root[data-theme=dark] :is(.account-controls #logout,#logout-retry):hover:not(:disabled){background:var(--dark-hover)}
@media(max-width:650px){.workspace>*{min-width:0}.timer-controls .main-button{min-width:0;flex:1;max-width:202px}.timer-controls .reset-button{flex-shrink:0}}