:root{
  --ink:#17302a; --muted:#5d7069; --pine:#1d5b4b; --pine-2:#2c7a66;
  --paper:#f5f8f7; --card:#ffffff; --line:#d5dfdb; --soft:#e4efeb;
  --amber:#a86a0c; --amber-bg:#fbf1dc; --red:#a8231b; --red-bg:#fbe6e4;
  --radius:10px;
  font-family:"IBM Plex Sans Thai",Tahoma,"Leelawadee UI",sans-serif;
  color:var(--ink); background:var(--paper);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{font-size:16px;line-height:1.6;padding-bottom:env(safe-area-inset-bottom,0)}
h1{font-size:1.35rem;line-height:1.3;margin:0;font-weight:700}
button,input{font:inherit}
:focus-visible{outline:3px solid var(--pine-2);outline-offset:2px}
.sub{margin:.1rem 0 0;color:var(--muted);font-size:.9rem}

/* ---------- login ---------- */
.login-body{display:grid;place-items:center;min-height:100vh;padding:1.25rem}
.login{width:100%;max-width:380px;background:var(--card);border:1px solid var(--line);border-top:6px solid var(--pine);border-radius:var(--radius);padding:1.75rem}
.login form{display:grid;gap:.9rem;margin-top:1.25rem}
.login label{display:grid;gap:.25rem;font-weight:500;font-size:.95rem}
.login input{padding:.65rem .75rem;border:1px solid var(--line);border-radius:8px;background:#fff}
.login button{margin-top:.3rem;padding:.7rem;border:0;border-radius:8px;background:var(--pine);color:#fff;font-weight:600;cursor:pointer}
.login button:hover{background:var(--pine-2)}
.err{background:var(--red-bg);color:var(--red);padding:.55rem .75rem;border-radius:8px;margin:1rem 0 0;font-size:.92rem}
.note{font-size:.8rem;color:var(--muted);margin:1.25rem 0 0}

/* ---------- top bar ---------- */
.top{display:flex;justify-content:space-between;align-items:flex-end;gap:1rem;flex-wrap:wrap;
  padding:calc(1rem + env(safe-area-inset-top,0)) 1.5rem 1rem;background:var(--pine);color:#fff}
.top .sub{color:#cfe3dc}
.actions{display:flex;align-items:center;gap:.9rem;font-size:.9rem}
.actions a{color:#fff}
.actions button{background:#fff;color:var(--pine);border:0;border-radius:8px;padding:.45rem .9rem;font-weight:600;cursor:pointer}
.actions button:disabled{opacity:.6;cursor:wait}
.who{opacity:.8}

/* ---------- layout ---------- */
.layout{display:grid;grid-template-columns:320px 1fr;min-height:calc(100vh - 88px)}
#days{border-right:1px solid var(--line);background:var(--card);padding:.75rem 0;overflow-y:auto;max-height:calc(100vh - 88px);position:sticky;top:0}
#detail{padding:1.25rem 1.5rem 3rem;max-width:980px;outline:none}

/* the day ladder: each row shows the count against the 10–20 daily quota */
.day{display:grid;grid-template-columns:1fr auto;gap:.15rem .75rem;width:100%;text-align:left;
  background:none;border:0;border-left:4px solid transparent;padding:.6rem 1rem .7rem 1.1rem;cursor:pointer;color:inherit}
.day:hover{background:var(--soft)}
.day[aria-current="true"]{background:var(--soft);border-left-color:var(--pine)}
.day .d{font-weight:600;font-size:.95rem}
.day .when{font-size:.8rem;color:var(--muted)}
.day .n{grid-row:1 / span 2;grid-column:2;align-self:center;font-size:1.6rem;font-weight:700;line-height:1;font-variant-numeric:tabular-nums}
.day .n small{font-size:.75rem;font-weight:500;color:var(--muted);margin-left:.15rem}
.day.past{opacity:.55}
.day.over .n{color:var(--red)}
.day.full .n{color:var(--amber)}
.gauge{grid-column:1 / -1;position:relative;height:6px;background:#e8eeec;border-radius:3px;margin-top:.35rem}
.gauge i{position:absolute;inset:0 auto 0 0;border-radius:3px;background:var(--pine-2)}
.over .gauge i{background:var(--red)} .full .gauge i{background:var(--amber)}
.gauge b{position:absolute;top:-3px;bottom:-3px;width:2px;background:var(--ink);opacity:.35}
.divider{margin:.6rem 1.1rem .3rem;font-size:.8rem;color:var(--muted)}

/* ---------- detail ---------- */
.dhead{display:flex;flex-wrap:wrap;align-items:baseline;gap:.4rem 1.25rem;margin-bottom:1rem}
.dhead h2{font-size:1.5rem;margin:0;line-height:1.3}
.dhead .count{font-size:1.05rem}
.status{display:inline-block;border-radius:6px;padding:.1rem .55rem;font-size:.85rem;font-weight:600;background:var(--soft);color:var(--pine)}
.status.over{background:var(--red-bg);color:var(--red)} .status.full{background:var(--amber-bg);color:var(--amber)}
.summary{color:var(--muted);font-size:.92rem;margin:-.4rem 0 1.1rem}

.person{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:.8rem}
.person>summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:2.2rem 1fr auto;gap:.1rem .75rem;padding:.8rem 1rem;align-items:start}
.person>summary::-webkit-details-marker{display:none}
.person .q{font-weight:700;color:var(--pine);font-size:1.1rem;font-variant-numeric:tabular-nums}
.person .nm{font-weight:600}
.person .facts{grid-column:2 / -1;font-size:.88rem;color:var(--muted)}
.person .amt{text-align:right;font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap}
.person .amt small{display:block;font-weight:400;font-size:.78rem;color:var(--muted)}
.person .tags{grid-column:2 / -1;display:flex;flex-wrap:wrap;gap:.35rem;margin-top:.3rem}
.tag{font-size:.78rem;padding:.05rem .5rem;border-radius:5px;background:var(--soft);color:var(--pine)}
.tag.warn{background:var(--red-bg);color:var(--red)} .tag.chk{background:var(--amber-bg);color:var(--amber)}
.person[open]>summary{border-bottom:1px solid var(--line)}
.body{padding:.75rem 1rem 1rem 3.95rem;display:grid;gap:.85rem}
.body h3{font-size:.9rem;margin:0 0 .2rem;font-weight:600}
.body ul{margin:0;padding-left:1.1rem;font-size:.92rem}
.body li{margin:.12rem 0}
.body .none{color:var(--muted);font-size:.9rem;margin:0}
.body .contact{font-size:.92rem}
.body .contact a{color:var(--pine);font-weight:600}
.warnbox h3{color:var(--red)} .chkbox h3{color:var(--amber)}

.panel{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--amber);border-radius:var(--radius);padding:.9rem 1.1rem;margin-bottom:1rem}
.panel h2{font-size:1.1rem;margin:0 0 .4rem}
.panel ul{margin:0;padding-left:1.1rem}
.empty{color:var(--muted);padding:2rem 0}
.error{background:var(--red-bg);color:var(--red);border-radius:var(--radius);padding:1rem 1.2rem}

/* ---------- mobile: ladder becomes a horizontal strip ---------- */
@media (max-width:760px){
  .top{padding:calc(.8rem + env(safe-area-inset-top,0)) 1rem .8rem}
  .layout{grid-template-columns:1fr}
  #days{position:static;max-height:none;display:flex;overflow-x:auto;border-right:0;border-bottom:1px solid var(--line);padding:.4rem;gap:.3rem}
  .day{min-width:150px;border-left:0;border-bottom:4px solid transparent;border-radius:8px}
  .day[aria-current="true"]{border-bottom-color:var(--pine)}
  .divider{display:none}
  #detail{padding:1rem}
  .body{padding-left:1rem}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}