:root{color:#182a25;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--green:#1f5543;--text:#182a25;--muted:#718079;--rule:#dde5e1;--surface:#f1f7f4;--danger:#a53535;--gutter:24px;background:#fff;font-family:-apple-system,BlinkMacSystemFont,Hiragino Kaku Gothic ProN,Noto Sans JP,system-ui,sans-serif}*{box-sizing:border-box}body{min-width:320px;margin:0}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{cursor:wait;opacity:.6}a{color:var(--green)}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline-offset:3px;outline:3px solid #82baa4}button{touch-action:manipulation}button svg{stroke-width:1.8px;flex:none}button:active:not(:disabled){transform:translateY(1px)}.app-shell{max-width:640px;min-height:100dvh;padding-top:env(safe-area-inset-top);margin:0 auto;position:relative}.app-header{height:92px;padding:24px var(--gutter) 20px;justify-content:space-between;align-items:center;display:flex}.wordmark{letter-spacing:-1.5px;color:var(--text);font-size:30px;font-weight:750;line-height:1;text-decoration:none}.wordmark-dot{color:var(--green)}.sync-state{color:#546a60;align-items:center;gap:6px;font-size:12px;font-weight:500;display:flex}.sync-state svg{color:var(--green)}.sync-state.offline,.sync-state.offline svg{color:var(--muted)}.sync-state.error,.sync-state.error svg{color:var(--danger)}.page{padding:12px var(--gutter) calc(112px + env(safe-area-inset-bottom))}.page-heading{margin-bottom:30px}.page-heading h1{letter-spacing:-1px;margin:0;font-size:30px;font-weight:700;line-height:1.4}.date-label{color:#34473f;margin:0 0 6px;font-size:14px;line-height:1.5}.stats{grid-template-columns:1fr 1fr;gap:0;margin:0;display:grid}.stats>div:first-child{padding-right:16px}.stats>div+div{border-left:1px solid var(--rule);padding-left:23px}.stats dt{color:#3e5048;margin:0 0 7px;font-size:14px;font-weight:500;line-height:1.5}.stats dd{font-variant-numeric:tabular-nums;align-items:baseline;gap:5px;min-height:49px;margin:0;display:flex}.stat-number{letter-spacing:-1.6px;font-size:40px;font-weight:650;line-height:1.2}.stat-unit{font-size:17px;font-weight:650}.duration-value{letter-spacing:-1.1px;white-space:nowrap;font-size:25px;font-weight:650;line-height:1.9}.stats-note{color:var(--muted);margin:10px 0 0;font-size:11px;line-height:1.7}.button{border:1px solid #0000;border-radius:11px;justify-content:center;align-items:center;gap:10px;width:100%;min-height:54px;padding:14px 16px;font-size:15px;font-weight:600;line-height:1.5;transition:background-color .15s,color .15s;display:flex}.button.primary{background:var(--green);color:#fff}.button.primary:hover:not(:disabled){background:#174534}.button.secondary{color:var(--green);background:#fff;border-color:#b9ccc2}.button.secondary:hover:not(:disabled){background:var(--surface)}.button.plain{color:var(--green);background:0 0;border-color:#0000}.start-section{margin-top:28px}.start-button{min-height:56px;font-size:17px}.button-caption{text-align:center;color:var(--muted);margin:9px 0 0;font-size:12px;line-height:1.7}.history-section{margin-top:36px}.section-heading{justify-content:space-between;align-items:center;gap:8px;margin:0 0 12px;display:flex}.section-heading h2,.settings-section h2{letter-spacing:-.45px;margin:0;font-size:19px;font-weight:650;line-height:1.5}.text-button{min-height:44px;color:var(--green);background:0 0;border:0;justify-content:center;align-items:center;gap:6px;padding:8px 0;font-size:13px;font-weight:550;line-height:1.5;display:inline-flex}.text-button:hover{text-underline-offset:3px;text-decoration:underline}.add-button{white-space:nowrap}.session-list{border-top:1px solid var(--rule);margin:0;padding:0;list-style:none}.session-list>li{border-bottom:1px solid var(--rule)}.session-row{text-align:left;background:0 0;border:0;align-items:center;gap:10px;width:100%;min-height:57px;padding:13px 0;display:flex}.session-row:hover{background:#f8faf9}.session-time{letter-spacing:-.3px;font-variant-numeric:tabular-nums;flex-wrap:wrap;align-items:center;gap:8px;font-size:15px;display:flex}.time-dash{color:#89978f;font-size:13px}.session-time small{width:100%;color:var(--muted);margin-top:-5px;font-size:10px;font-weight:500}.session-duration{font-variant-numeric:tabular-nums;white-space:nowrap;margin-left:auto;font-size:13px}.session-row>svg{color:#8a9991}.empty-history{border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);text-align:center;padding:31px 8px 32px}.empty-history p{color:#52665b;margin:0 0 8px;font-size:14px}.empty-history span{color:var(--muted);font-size:11px;line-height:1.7;display:block}.zero-button{min-height:46px;margin-top:22px;font-size:12px}.zero-checked{background:var(--surface)!important}.active-session{background:var(--surface);text-align:center;border-radius:12px;margin-top:24px;padding:16px 16px 5px}.active-label{color:var(--green);justify-content:flex-start;align-items:center;gap:6px;font-size:12px;font-weight:600;display:flex}.live-dot{background:var(--green);border-radius:100%;width:6px;height:6px}.timer{letter-spacing:-1px;font-variant-numeric:tabular-nums;margin-top:8px;font-size:44px;font-weight:650;line-height:1.3}.active-start{color:#687a70;margin:2px 0 20px;font-size:12px}.active-edit{min-height:36px;margin:2px 0;font-size:11px}.bottom-nav{z-index:20;border-top:1px solid var(--rule);width:100%;max-width:640px;padding:7px 8px calc(8px + env(safe-area-inset-bottom));background:#fff;grid-template-columns:repeat(3,1fr);min-height:74px;display:grid;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.nav-item{color:#8a9790;background:0 0;border:0;flex-direction:column;justify-content:center;align-items:center;gap:5px;min-height:56px;padding:4px 8px;font-size:11px;font-weight:550;display:flex}.nav-item.selected{color:var(--green);font-weight:650}.nav-item:active:not(:disabled){transform:none}.nav-item:hover{color:var(--green)}.segmented{border:1px solid var(--rule);background:#f2f5f3;border-radius:9px;padding:3px;display:flex}.segmented button{background:0 0;border:0;border-radius:6px;flex:1;min-height:39px;padding:8px 16px;font-size:14px;font-weight:550}.segmented button.selected{background:var(--green);color:#fff}.period-control{margin-bottom:30px}.trends-view .page-heading{margin-bottom:22px}.chart-section{margin-top:30px}.chart-title-row{justify-content:space-between;align-items:center;gap:8px;margin-bottom:15px;display:flex}.chart-title-row h2{color:var(--muted);margin:0;font-size:12px;font-weight:500}.metric-switch{gap:1px;display:flex}.metric-switch button{color:var(--muted);background:0 0;border:0;border-radius:6px;min-width:44px;min-height:34px;font-size:11px;font-weight:500}.metric-switch button.selected{color:var(--green);background:var(--surface);font-weight:650}.usage-chart{height:177px;display:flex;position:relative}.chart-axis{font-variant-numeric:tabular-nums;color:#809087;flex-direction:column;justify-content:space-between;align-items:flex-start;width:24px;padding:0 0 23px;font-size:10px;display:flex}.chart-plot{flex:1;min-width:0;position:relative}.chart-grid{pointer-events:none;flex-direction:column;justify-content:space-between;display:flex;position:absolute;inset:5px 0 27px}.chart-grid i{background:#e8edea;width:100%;height:1px}.chart-bars{gap:5px;height:100%;display:flex;position:relative}.chart-column{color:#84948a;font-variant-numeric:tabular-nums;background:0 0;border:0;flex-direction:column;flex:1;align-items:stretch;min-width:0;height:100%;padding:5px 0 0;font-size:9px;line-height:1.2;display:flex;position:relative}.bar-area{justify-content:center;align-items:flex-end;height:calc(100% - 27px);padding:0 4px;display:flex;position:relative}.chart-bar{background:#b7cdc2;border-radius:2px 2px 0 0;width:100%;max-width:36px;min-height:0;transition:height .25s;display:block;position:relative}.chart-column.selected .chart-bar{background:var(--green)}.chart-column.selected{color:var(--green);font-weight:650}.bar-label{white-space:nowrap;justify-content:center;align-items:center;height:27px;margin-left:-4px;margin-right:-4px;display:flex}.chart-bar.is-zero{height:0!important}.chart-bar.is-zero>span{text-align:center;width:100%;font-size:10px;position:absolute;bottom:4px;left:0}.missing-mark{background:#aeb9b3;width:6px;height:1px;margin-bottom:4px}.chart-column.selected .missing-mark{background:var(--green);height:2px}.chart-column.selected:after{content:"";background:var(--green);border-radius:50%;width:3px;height:3px;position:absolute;bottom:1px;left:calc(50% - 1.5px)}.period-30 .chart-bars{gap:2px}.chart-footnote{color:var(--muted);justify-content:space-between;gap:4px;margin:10px 0 0;font-size:10px;display:flex}.selected-day{margin-top:29px}.selected-day .section-heading h2{font-size:17px}.data-note{color:var(--muted);margin-top:24px;font-size:10px;line-height:1.9}.settings-view .page-heading{margin-bottom:32px}.settings-section{border-bottom:1px solid var(--rule);margin-top:30px;padding-bottom:26px}.settings-section:first-of-type{margin-top:0}.settings-section h2{margin-bottom:20px;font-size:16px}.account-block{align-items:center;gap:12px;min-width:0;display:flex}.account-block>div:last-child{min-width:0}.account-avatar{background:var(--surface);width:44px;height:44px;color:var(--green);border-radius:50%;flex-shrink:0;place-items:center;font-size:19px;font-weight:600;display:grid}.account-name{overflow-wrap:anywhere;margin:0;font-size:14px;font-weight:600}.account-email{color:var(--muted);overflow-wrap:anywhere;margin:5px 0 0;font-size:12px}.settings-description{color:var(--muted);margin:17px 0 0;font-size:12px;line-height:1.9}.data-summary{color:#566a5e;justify-content:space-between;align-items:center;padding:8px 0;font-size:13px;display:flex}.data-summary strong{color:var(--text);font-weight:550}.export-button{min-height:48px;margin-top:17px;font-size:13px}.export-success{color:var(--green);margin:14px 0 0;font-size:12px}.install-details summary{cursor:pointer;color:var(--green);justify-content:space-between;align-items:center;gap:10px;min-height:44px;font-size:13px;list-style:none;display:flex}.install-details summary::-webkit-details-marker{display:none}.install-details[open] summary svg{transform:rotate(180deg)}.install-details p{color:#566a5e;margin:10px 0;font-size:12px;line-height:1.9}.signout-button{gap:8px;margin-top:20px;font-size:13px}.settings-footer{color:#95a198;flex-direction:column;gap:10px;margin:37px 0 0;font-size:10px;display:flex}.settings-footer a{color:var(--muted);align-items:center;gap:5px;text-decoration:none;display:flex}.signin-view{padding-top:64px}.signin-intro{margin-bottom:36px}.signin-mark{background:var(--green);color:#fff;letter-spacing:-4px;border-radius:18px;place-items:center;width:68px;height:68px;margin-bottom:32px;padding-right:4px;font-size:45px;font-weight:600;display:grid}.signin-view h1{letter-spacing:-1px;margin:0 0 18px;font-size:29px;font-weight:650;line-height:1.5}.signin-intro>p{color:#718079;margin:0;font-size:15px;line-height:2}.google-button{color:var(--text);background:#fff;border-color:#c9d6ce;font-size:14px;box-shadow:0 2px 4px #182a2504}.google-button:hover{background:#f8faf9}.signin-help{color:var(--muted);text-align:center;margin:16px 0 0;font-size:10px;line-height:1.8}.signin-divider{background:#cbd9d0;width:28px;height:1px;margin:58px 0 19px}.signin-note{color:#8d9b92;font-size:12px;line-height:1.8}.loading-screen{min-height:55dvh;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:9px;display:flex}.loading-screen p{font-size:12px}.spin{animation:1.5s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.error-notice{margin:0 var(--gutter) 12px;color:#8b3c36;background:#fff7f5;border:1px solid #eac7c2;border-radius:8px;align-items:center;gap:8px;padding:10px 4px 10px 12px;display:flex}.error-notice>svg{flex-shrink:0}.error-notice p{overflow-wrap:anywhere;flex:1;margin:0;font-size:12px;line-height:1.7}.icon-button{min-width:44px;min-height:44px;color:inherit;background:0 0;border:0;border-radius:8px;flex-shrink:0;place-items:center;padding:8px;display:inline-grid}.offline-notice{margin:0 var(--gutter) 18px;color:#65796c;background:#f5f7f6;border-radius:8px;padding:10px 12px;font-size:11px;line-height:1.7}.modal-backdrop{z-index:50;padding-top:max(20px,env(safe-area-inset-top));background:#13281f66;justify-content:center;align-items:flex-end;animation:.15s fade-in;display:flex;position:fixed;inset:0}.session-editor{max-height:calc(100dvh - max(20px,env(safe-area-inset-top)));overscroll-behavior:contain;width:100%;max-width:640px;padding:10px 24px calc(24px + env(safe-area-inset-bottom));background:#fff;border-radius:20px 20px 0 0;outline:none;animation:.2s sheet-in;position:relative;overflow-y:auto}.sheet-handle{background:#d5ddd8;border-radius:4px;width:40px;height:4px;margin:0 auto 12px}.editor-heading{justify-content:space-between;align-items:center;margin-bottom:22px;display:flex}.editor-heading h2{letter-spacing:-.6px;margin:0;font-size:22px;font-weight:650}.editor-heading .icon-button{margin-right:-10px}.form-field{flex-direction:column;gap:8px;min-width:0;margin-bottom:22px;font-size:13px;font-weight:550;display:flex}.form-field>span small{color:var(--muted);margin-left:5px;font-size:10px;font-weight:400}.form-field input{width:100%;min-width:0;max-width:100%;min-height:49px;color:var(--text);appearance:none;font-variant-numeric:tabular-nums;background:#fff;border:1px solid #cbd6cf;border-radius:8px;padding:11px 12px;font-family:inherit;font-size:16px;font-weight:400;line-height:1.5;display:block}.form-field input::-webkit-date-and-time-value{text-align:left}.field-help{color:var(--muted);margin:-6px 0 24px;font-size:11px;line-height:1.8}.form-error{color:var(--danger);background:#fff4f1;border-radius:8px;margin:0 0 18px;padding:12px;font-size:12px;line-height:1.8}.session-editor .button.plain{margin-top:6px;font-size:13px}.delete-area{border-top:1px solid var(--rule);text-align:center;margin-top:8px;padding-top:13px}.delete-area p{font-size:13px}.text-button.danger{color:var(--danger);font-size:12px}.delete-actions{justify-content:center;gap:32px;display:flex}.visually-hidden{clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes sheet-in{0%{opacity:.6;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (min-width:600px){:root{--gutter:40px}.app-header{height:105px}.page{padding-top:20px}.page-heading h1{font-size:34px}.page-heading{margin-bottom:37px}.stats dt{font-size:15px}.stat-number{font-size:46px}.duration-value{font-size:31px;line-height:1.6}.start-section{margin-top:36px}.start-button{min-height:60px}.session-row{min-height:65px}.session-time{font-size:16px}.history-section{margin-top:42px}.signin-view{max-width:510px;margin:auto;padding-top:85px}.session-editor{padding-left:40px;padding-right:40px}.chart-section{margin-top:34px}.usage-chart{height:210px}}@media (max-width:359px){:root{--gutter:19px}.page-heading h1{font-size:27px}.stats>div+div{padding-left:17px}.duration-value{font-size:22px}.stat-number{font-size:36px}.session-time{gap:5px;font-size:13px}.add-button{font-size:11px}.section-heading h2{font-size:17px}.signin-view h1{font-size:26px}.empty-history span{font-size:10px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.chart-plot{scrollbar-width:thin;scrollbar-color:#cbd8d0 transparent;overflow:auto hidden}.chart-bars{gap:1px;min-width:314px}.chart-column{min-width:44px}.period-30 .chart-bars{gap:1px;width:1349px;min-width:1349px}.period-30 .chart-column{min-width:44px}.period-30 .bar-area{padding:0 7px}.period-30 .chart-grid{width:1349px}.period-30 .bar-label{font-size:9px}.metric-switch button{min-height:44px}.wordmark{align-items:center;min-height:44px;display:inline-flex}.settings-footer a{min-height:44px}