:root{--bg:#f4f5f7;--card:#fff;--fg:#1c2330;--muted:#6b7380;--line:#e3e6eb;--accent:#2f6fed;--err:#c0392b;--ok:#1e8e4e}
@media(prefers-color-scheme:dark){:root{--bg:#12151b;--card:#1a1f28;--fg:#e6e9ef;--muted:#8d95a3;--line:#2a313d;--accent:#5b92ff}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}
header{display:flex;align-items:center;gap:20px;padding:12px 20px;background:var(--card);border-bottom:1px solid var(--line);flex-wrap:wrap}
.brand{font-weight:700;font-size:18px;color:var(--accent);text-decoration:none}
nav{display:flex;gap:14px;flex:1;flex-wrap:wrap}nav a{color:var(--fg);text-decoration:none}nav a:hover{color:var(--accent)}
.who{display:flex;gap:10px;align-items:center;margin:0}
main{max-width:1100px;margin:0 auto;padding:20px 16px 60px}
h1{font-size:24px;margin:8px 0 16px}h2{font-size:17px;margin:0 0 12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;margin-bottom:16px}
.narrow{max-width:420px;margin:40px auto}.narrow-form{max-width:520px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}
.body-layout{display:grid;grid-template-columns:minmax(300px,1.1fr) minmax(280px,1fr);gap:16px;align-items:start}
@media(max-width:760px){.body-layout{grid-template-columns:1fr}}
label{display:block;margin-bottom:12px;font-size:13px;color:var(--muted)}
label.inline{display:inline-flex;gap:6px;align-items:center;margin:0 12px 0 0}
input,select{display:block;width:100%;margin-top:4px;padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg);font:inherit}
input[type=checkbox]{display:inline;width:auto;margin:0}
label.inline select{width:auto}
button,.btn{display:inline-block;padding:9px 16px;border:0;border-radius:8px;background:var(--accent);color:#fff;font:inherit;cursor:pointer;text-decoration:none}
button.ghost{background:transparent;color:var(--fg);border:1px solid var(--line);padding:6px 12px}
button.danger{color:var(--err)}
table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:8px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:600}
.table-wrap,#hist{overflow-x:auto}
.actions{display:flex;gap:8px}.actions form{margin:0}
.bar{display:flex;gap:12px;align-items:center;margin-bottom:14px;flex-wrap:wrap}.bar form{margin:0}
.muted{color:var(--muted);font-size:13px}.err{color:var(--err)}.ok{color:var(--ok);background:var(--card);border:1px solid var(--ok);padding:10px 14px;border-radius:8px;word-break:break-all}
.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;margin:0 0 10px}.kv dt{color:var(--muted)}.kv dd{margin:0;text-align:right;font-weight:600}.kv small{display:block;font-weight:400;color:var(--muted);font-size:11px}
#fig{width:100%;max-height:640px}#fig text{fill:currentColor}
.days div{margin-top:8px}.days ul{margin:4px 0 0;padding-left:18px}
code{background:var(--bg);padding:1px 5px;border-radius:4px}
.ex{margin:10px 0}.sets{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.chip{background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:2px 10px;font-size:13px}.chip.warm{opacity:.6}
.tile{cursor:pointer;transition:border-color .15s,transform .15s}.tile:hover,.tile:focus-visible{border-color:var(--accent);transform:translateY(-1px);outline:none}
.tile-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px}.tile-head h2{margin:0}.big{font-size:22px;font-weight:700}.sub{margin:0 0 6px}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}.modal[hidden]{display:none}
.modal-box{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;width:min(1000px,100%);max-height:94vh;overflow:auto}
.m-chart{position:relative;height:min(460px,55vh)}
.ranges{display:flex;gap:6px;flex-wrap:wrap}button.on{background:var(--accent);color:#fff;border-color:var(--accent)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin:6px 0 14px}.stats div{background:var(--bg);border-radius:8px;padding:8px 10px}.stats span{display:block;font-size:12px;color:var(--muted)}