:root{color-scheme:dark;--bg:#101117;--panel:#191b24;--line:#2c2e3c;--text:#f1eff9;--muted:#9393a7;--purple:#b9a4ff;--mint:#88d8c1}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 'Segoe UI',sans-serif}main{max-width:1240px;margin:auto;padding:30px 40px}header{display:flex;justify-content:space-between;align-items:center;padding-bottom:28px;border-bottom:1px solid var(--line)}a{color:inherit;text-decoration:none}.brand{font-size:29px;font-weight:650;display:flex;align-items:center;gap:12px}.brand>span:first-child{color:var(--purple);font-size:38px}.tag{font-size:10px;letter-spacing:2px;color:var(--muted);margin-left:14px}.local{font-size:12px;color:var(--mint)}.intro{display:flex;align-items:center;justify-content:space-between;padding:42px 0 30px}.eyebrow{font-size:10px;letter-spacing:2px;color:var(--purple);font-weight:650}h1{font-size:36px;line-height:1.25;letter-spacing:-1px;font-weight:550;margin:12px 0}h2{font-size:18px;font-weight:600;margin:0}.muted,small{color:var(--muted)}.button{background:var(--purple);color:#211936;border:0;border-radius:10px;padding:13px 21px;font:600 14px 'Segoe UI',sans-serif;cursor:pointer;display:inline-block}.button:hover{background:#cbbcff}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--mint);outline-offset:3px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stats article{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:21px}.stats p{color:var(--muted);font-size:12px;margin:0 0 12px}.stats strong{display:block;font-size:29px;font-weight:550;letter-spacing:-.7px}.stats small{font-size:11px}.charts{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:24px 0}.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:24px}.panel-heading{display:flex;justify-content:space-between;align-items:center;gap:12px}.legend{font-size:10px;color:var(--purple)}.legend i{font-style:normal;color:var(--mint);margin-left:10px}.chart{height:235px;margin-top:22px}.chart svg{width:100%;height:100%;overflow:visible}.empty{height:100%;display:flex;align-items:center;justify-content:center;flex-direction:column;color:var(--muted);text-align:center;font-size:13px;gap:8px}.empty span{font-size:30px;color:var(--purple)}.bottom{display:grid;grid-template-columns:360px 1fr;gap:20px}.form-panel>p.muted{font-size:12px;margin:8px 0 24px}label{display:block;font-size:12px;color:#cbc9db}input,textarea{display:block;width:100%;margin:8px 0 18px;background:#12141c;border:1px solid #363848;border-radius:8px;padding:11px;color:var(--text);font:14px 'Segoe UI',sans-serif}textarea{resize:vertical}.times{display:grid;grid-template-columns:1fr 1fr;gap:14px}.duration-preview{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;background:#242232;border-radius:8px;padding:12px;margin-bottom:21px}.duration-preview strong{color:var(--purple)}fieldset{border:0;padding:0;margin:0 0 20px}legend{font-size:12px}.rating{display:flex;gap:8px;margin:10px 0}.rating label{flex:1;cursor:pointer}.rating input{position:absolute;opacity:0;width:1px}.rating span{display:block;border:1px solid var(--line);border-radius:8px;text-align:center;padding:9px}.rating input:checked+span{background:#3d335a;color:#e0d5ff;border-color:var(--purple)}.rating input:focus-visible+span{outline:2px solid var(--mint)}fieldset small{font-size:10px}.form-actions{display:flex;gap:10px;align-items:center}.form-actions .button{flex:1}button:not(.button){background:transparent;color:var(--muted);border:1px solid var(--line);padding:8px 10px;border-radius:7px;cursor:pointer}button:hover:not(.button){color:var(--text);border-color:var(--purple)}[hidden]{display:none!important}#form-error{color:#ffaaaa;font-size:12px}.history .panel-heading p{font-size:12px;margin:7px 0}.entry{border-top:1px solid var(--line);padding:20px 0;display:grid;grid-template-columns:1fr auto;gap:9px}.entry:first-child{margin-top:20px}.entry h3{font-size:14px;margin:0 0 6px;font-weight:600}.entry .hours{font-size:12px;color:var(--muted)}.entry .sleep-length{font-size:19px;color:var(--purple)}.entry .note{font-size:13px;color:#bdbbcd;white-space:pre-wrap;overflow-wrap:anywhere;grid-column:1/-1;margin:0}.entry .actions{display:flex;gap:7px;align-items:center;grid-column:1/-1}.quality{font-size:11px;color:var(--mint);margin-right:auto}footer{text-align:center;color:var(--muted);font-size:11px;padding:35px 0 10px}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--mint);color:#15261f;border-radius:9px;padding:12px 22px;display:none}dialog{background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:14px;max-width:90vw;padding:28px}dialog::backdrop{background:#0009}.danger{background:#ffaaaa}@media(max-width:900px){.stats{grid-template-columns:1fr 1fr}.charts{grid-template-columns:1fr}.bottom{grid-template-columns:320px 1fr}.legend{font-size:9px}}@media(max-width:650px){main{padding:20px 16px}.tag{display:none}.local{font-size:10px}.intro{padding:26px 0;display:block}h1{font-size:29px}.intro .button{margin-top:10px}.stats{gap:10px}.stats article{padding:16px}.stats strong{font-size:23px}.stats p{min-height:36px}.bottom{grid-template-columns:1fr}.panel{padding:20px}.panel-heading{flex-wrap:wrap}.chart{height:220px}footer{line-height:1.8}}
select{display:block;width:100%;margin:8px 0 18px;background:#12141c;border:1px solid #363848;border-radius:8px;padding:11px;color:var(--text);font:14px Segoe UI,sans-serif}select:focus-visible{outline:2px solid var(--mint);outline-offset:3px}.brand{font-size:24px}@media(max-width:650px){.brand{font-size:20px}}
.history{min-width:0}.history-legend{display:flex;flex-wrap:wrap;gap:12px;font-size:11px;color:var(--purple)}.history-legend span:nth-child(2){color:#e5ceff}.history-legend span:nth-child(3){color:var(--mint)}.history-help{font-size:11px}.history-chart{max-height:580px;overflow:auto;margin-top:15px;border-radius:8px}.history-chart svg{display:block;width:100%}.history-chart .empty{min-height:170px}.entry-details{margin-top:20px;border-top:1px solid var(--line);padding-top:16px}.entry-details summary{cursor:pointer;color:var(--muted);font-size:13px}.entry-details[open] summary{color:var(--text)}
.sleep-bar{cursor:pointer}.sleep-bar:hover,.sleep-bar:focus{opacity:1;stroke:#e5ceff;stroke-width:2;outline:none}.sleep-tooltip{position:fixed;z-index:1000;width:250px;max-width:calc(100vw - 16px);padding:16px;background:#252735;border:1px solid #55506e;border-radius:12px;box-shadow:0 10px 35px #0008;pointer-events:none;font-size:12px}.sleep-tooltip>strong{display:block;color:var(--purple);font-size:14px;margin-bottom:12px}.tooltip-row{display:flex;justify-content:space-between;gap:14px;margin:6px 0}.tooltip-row span{color:#bbb8cb}.tooltip-row b{font-weight:600}.tooltip-note{white-space:pre-wrap;overflow-wrap:anywhere;border-top:1px solid var(--line);padding-top:9px;margin-bottom:0;max-height:100px;overflow:hidden;color:#bbb8cb}
.dashboard-controls{display:grid;grid-template-columns:1fr 1.3fr;gap:24px;margin:0 0 25px;padding:20px;background:var(--panel);border:1px solid var(--line);border-radius:14px}.control-label{font-size:12px;color:var(--muted);margin:0 0 10px}.period-switch{display:flex;gap:5px;padding:4px;background:#101117;border-radius:10px;width:max-content}.period-switch button{border:0;padding:10px 15px;font-size:13px}.period-switch button[aria-pressed=true]{background:var(--purple);color:#211936;font-weight:600}.dashboard-controls p.muted{font-size:11px;margin-bottom:0}.goal-settings{display:grid;grid-template-columns:1.4fr 1fr;gap:0 12px}.goal-settings select{margin-bottom:8px}.goal-settings p,.goal-settings small{grid-column:1/-1;margin:0}.goal-settings p{color:var(--mint);font-size:13px}.goal-settings small{font-size:11px;margin-top:6px}.insights{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}.insights p.muted{font-size:12px}.insights small{font-size:11px}.insight-row{display:flex;justify-content:space-between;gap:10px;padding:12px 0;border-bottom:1px solid var(--line);font-size:13px}.insight-row strong{color:var(--purple);font-weight:500}.regularity-result{display:grid;gap:6px;margin:20px 0}.regularity-result span{color:var(--muted);font-size:13px}.regularity-result strong{font-size:20px;font-weight:500}@media(max-width:750px){.dashboard-controls,.insights{grid-template-columns:1fr}.period-switch{width:100%}.period-switch button{flex:1}.goal-settings{grid-template-columns:1fr 1fr}}
.backup-panel{margin-top:24px}.backup-panel p{font-size:12px}
.account-panel{margin-top:24px}.account-panel h2{font-size:16px}.account-panel p{font-size:12px}.account-panel small{font-size:11px}.account-panel form{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.account-panel form label{flex:1;min-width:160px}.account-panel input{margin-bottom:8px}.account-panel form button{margin-top:12px}#cloud-actions{display:flex;gap:10px;flex-wrap:wrap}#cloud-error{color:#ffaaaa}#import-dialog{max-width:450px}#cloud-refresh:disabled,#cloud-import:disabled,button:disabled{opacity:.55;cursor:wait}