:root{
  --bg:#f6f5f1; --card:#ffffff; --text:#1f1e1b; --muted:#6b6a64; --line:#e4e2da; --line-strong:#cfccc2;
  --accent:#1f1e1b; --on-accent:#ffffff;
  --danger:#b42318; --danger-bg:#fdecea; --danger-solid:#d92d20;
  --warn:#8a5a00; --warn-bg:#fdf3dc;
  --ok:#2f6b1d; --soft-bg:#eeede7;
  --radius:10px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#161614; --card:#201f1d; --text:#ecebe6; --muted:#9e9c94; --line:#33322e; --line-strong:#4a4843;
    --accent:#ecebe6; --on-accent:#161614;
    --danger:#ff8a80; --danger-bg:#3a1d1a; --danger-solid:#e5484d;
    --warn:#f0c46b; --warn-bg:#3a2e14; --ok:#8fd16f; --soft-bg:#2a2926;
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
.wrap{max-width:720px;margin:0 auto;padding:0 16px}
a{color:inherit}
h1{font-size:22px;font-weight:600;margin:0}
.muted{color:var(--muted)} .small{font-size:13px}

.top{position:sticky;top:0;z-index:5;background:var(--bg);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;justify-content:space-between;height:56px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600}
.who{display:flex;gap:14px;font-size:14px;color:var(--muted)}
.who a{text-decoration:none;color:var(--text)}

.title-row{display:flex;align-items:baseline;justify-content:space-between;margin:24px 0 16px}

.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:16px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:10px 12px}
.stat span{display:block;font-size:13px;color:var(--muted)}
.stat strong{font-size:24px;font-weight:600}
.stat.danger{background:var(--danger-bg);border-color:transparent}
.stat.danger span,.stat.danger strong{color:var(--danger)}

.alert{display:flex;align-items:center;gap:8px;background:var(--danger-bg);color:var(--danger);border-radius:var(--radius);padding:10px 14px;font-weight:600;margin-bottom:16px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:40px;padding:0 16px;border-radius:var(--radius);border:1px solid var(--line-strong);background:var(--card);color:var(--text);font:inherit;font-size:15px;font-weight:500;cursor:pointer;text-decoration:none}
.btn:active{transform:scale(.98)}
.btn.primary{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}
.btn.danger-ghost{color:var(--danger);border-color:transparent;background:transparent}
.btn.small{height:32px;padding:0 12px;font-size:13px}
.btn.block{width:100%}

.new-task{margin-bottom:8px}
.new-task>summary{list-style:none;width:100%}
.new-task>summary::-webkit-details-marker{display:none}
.new-task[open]>summary{display:none}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}

.form{display:grid;gap:12px}
.form label{display:grid;gap:4px;font-size:14px;color:var(--muted)}
.form .opt{font-size:12px;opacity:.8}
.form input,.form textarea{font:inherit;font-size:16px;color:var(--text);background:var(--bg);border:1px solid var(--line-strong);border-radius:8px;padding:9px 11px;width:100%}
.form input:focus,.form textarea:focus{outline:2px solid var(--accent);outline-offset:-1px}
fieldset{border:1px solid var(--line);border-radius:var(--radius);padding:12px;display:grid;gap:10px;margin:0}
legend{padding:0 6px;font-weight:600;color:var(--text)}

.group{margin-top:22px}
.group h2{display:flex;justify-content:space-between;align-items:center;font-size:14px;font-weight:600;margin:0 0 8px;color:var(--muted)}
.g-late h2{color:var(--danger)}
.count{font-weight:500}
.tasks{list-style:none;margin:0;padding:0;background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.tasks>li+li{border-top:1px solid var(--line)}
.g-late .tasks{border-color:var(--danger-bg);box-shadow:inset 3px 0 0 var(--danger-solid)}

.task>summary{list-style:none;cursor:pointer;padding:12px 14px;display:grid;gap:4px}
.task>summary::-webkit-details-marker{display:none}
.task[open]>summary{background:var(--soft-bg)}
.t-title{font-weight:500}
.t-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;font-size:13px}
.meta-txt{color:var(--muted)}
.ico{font-size:14px}
.badge{display:inline-block;padding:1px 8px;border-radius:6px;font-size:12px;font-weight:600}
.badge.late{background:var(--danger-bg);color:var(--danger)}
.badge.late-hard{background:var(--danger-solid);color:#fff}
.badge.warn{background:var(--warn-bg);color:var(--warn)}
.badge.soft{background:var(--soft-bg);color:var(--text)}
.late-txt{color:var(--danger);font-weight:500}
.ok-txt{color:var(--ok);font-weight:500}

.t-body{padding:4px 14px 14px}
.t-body p{margin:8px 0}
.desc{white-space:normal;word-wrap:break-word}
.link{font-weight:500}
.actions{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 4px}
.edit{margin-top:8px;border-top:1px solid var(--line);padding-top:10px}
.edit>summary{cursor:pointer;font-size:14px;color:var(--muted);margin-bottom:10px}

.done-group>summary{list-style:none;cursor:pointer}
.done-group>summary::-webkit-details-marker{display:none}
.done-group>summary h2::after{content:"▾";margin-left:8px}
.done-group[open]>summary h2::after{content:"▴"}
.done-group h2 span:first-child{flex:1}
.done-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 14px}
.done-item .t-title{display:block;color:var(--muted);text-decoration:line-through;text-decoration-color:var(--line-strong)}

.empty{text-align:center;padding:40px 16px;color:var(--muted)}
.empty strong{color:var(--text)}

.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:var(--accent);color:var(--on-accent);padding:10px 16px;border-radius:var(--radius);font-size:14px;z-index:10;transition:opacity .3s}
.toast.hide{opacity:0;pointer-events:none}

.notice{background:var(--soft-bg);border-radius:var(--radius);padding:10px 12px;margin-bottom:12px;font-size:14px}
.notice.err{background:var(--danger-bg);color:var(--danger)}
.notice.ok{background:#e7f4e1;color:#2f6b1d}

body.auth{display:flex;min-height:100vh;align-items:center;justify-content:center;padding:16px}
.auth-box{width:100%;max-width:380px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px}
.auth-box .brand{margin-bottom:18px}
.auth-box h1{font-size:20px}

main.wrap{padding-bottom:48px}