:root{--bg:#f7f6f2;--panel:#fff;--side:#fbfaf7;--ink:#1d2421;--muted:#66706b;--line:#e4e1d8;--brand:#0f766e;--brand-ink:#fff;--brand-soft:#e3f1ee;--warn:#fff4d6;--warn-ink:#7a5a00;--err:#fde8e6;--err-ink:#9b2c1f;--ok:#e3f4e8;--ok-ink:#1e6b37;--code:#f3f1ea;--radius:12px}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#141816;--panel:#1c211f;--side:#181c1a;--ink:#e8ece9;--muted:#9aa5a0;--line:#2d3532;--brand:#2fb5a5;--brand-ink:#0b1412;--brand-soft:#173a35;--warn:#3a3215;--warn-ink:#f0d48a;--err:#3d1f1b;--err-ink:#f4b0a6;--ok:#183522;--ok-ink:#9fdcb0;--code:#232a27}}
:root[data-theme="dark"]{--bg:#141816;--panel:#1c211f;--side:#181c1a;--ink:#e8ece9;--muted:#9aa5a0;--line:#2d3532;--brand:#2fb5a5;--brand-ink:#0b1412;--brand-soft:#173a35;--warn:#3a3215;--warn-ink:#f0d48a;--err:#3d1f1b;--err-ink:#f4b0a6;--ok:#183522;--ok-ink:#9fdcb0;--code:#232a27}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 "IBM Plex Sans Thai",system-ui,sans-serif}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.3;margin:0 0 .5em}h1{font-size:1.7rem}h2{font-size:1.25rem}h3{font-size:1.05rem}
.muted{color:var(--muted)}.small{font-size:.875rem}
.shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}
.side{background:var(--side);border-right:1px solid var(--line);padding:20px 14px;display:flex;flex-direction:column;gap:6px;position:sticky;top:0;height:100vh;overflow:auto}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem;color:var(--ink);padding:4px 8px 16px}
.brand:hover{text-decoration:none}
.logo{width:36px;height:36px;border-radius:10px;background:var(--brand);color:var(--brand-ink);display:grid;place-items:center;font-size:1.1rem}
.side nav{display:flex;flex-direction:column;gap:2px}
.side nav a{display:flex;justify-content:space-between;align-items:center;padding:9px 12px;border-radius:10px;color:var(--ink)}
.side nav a:hover{background:var(--brand-soft);text-decoration:none}
.side nav a.on{background:var(--brand-soft);font-weight:600}
.side nav .n{color:var(--muted);font-size:.85rem}
.navlabel{font-size:.78rem;color:var(--muted);padding:12px 12px 4px}
.me{margin-top:auto;border-top:1px solid var(--line);padding:12px 8px 0;font-size:.9rem}
.meter{height:6px;background:var(--line);border-radius:4px;overflow:hidden;margin:6px 0}.meter b{display:block;height:100%;background:var(--brand)}
.linkbtn{background:none;border:0;color:var(--brand);cursor:pointer;font:inherit;padding:0}
form.inline{display:inline}
.main{padding:32px clamp(16px,4vw,48px);max-width:1100px;width:100%}
.msgs{margin-bottom:16px}.msg{padding:10px 14px;border-radius:10px;margin-bottom:8px;background:var(--brand-soft)}.msg.error{background:var(--err);color:var(--err-ink)}.msg.success{background:var(--ok);color:var(--ok-ink)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
a.tile{display:block;color:var(--ink);transition:border-color .15s}a.tile:hover{border-color:var(--brand);text-decoration:none}
.tile h3{margin-bottom:4px}.tile p{margin:0;color:var(--muted);font-size:.92rem}
.tile.off{opacity:.7}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.chip{border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:5px 14px;color:var(--ink);font-size:.92rem}
.chip.on,.chip:hover{border-color:var(--brand);color:var(--brand);text-decoration:none}
.badge{display:inline-block;font-size:.75rem;padding:1px 9px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-weight:600}
.badge.gray{background:var(--code);color:var(--muted)}
.search{display:flex;gap:8px;margin:8px 0 4px}
input,select,textarea{font:inherit;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:9px 12px;width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:-1px}
textarea{min-height:120px;resize:vertical}
label{display:block;font-weight:600;font-size:.92rem;margin-bottom:4px}
.field{margin-bottom:14px}.help{font-size:.85rem;color:var(--muted);margin-top:2px}
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--brand);color:var(--brand-ink);border:0;border-radius:10px;padding:10px 18px;font:inherit;font-weight:600;cursor:pointer;white-space:nowrap}
.btn:hover{filter:brightness(1.07);text-decoration:none}.btn:disabled{opacity:.55;cursor:wait}
.btn.ghost{background:var(--panel);color:var(--ink);border:1px solid var(--line)}
.btn.sm{padding:5px 12px;font-size:.88rem}
.hero{text-align:center;padding:24px 0 8px}.hero .logo{width:56px;height:56px;margin:0 auto 14px;font-size:1.6rem;border-radius:14px}
.hero p{color:var(--muted);max-width:640px;margin:0 auto 18px}
.stats{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;color:var(--muted);margin:10px 0 28px}.stats b{color:var(--ink)}
.section-h{display:flex;justify-content:space-between;align-items:baseline;margin:28px 0 12px;gap:12px;flex-wrap:wrap}
.prompt-box{background:var(--code);border:1px solid var(--line);border-radius:10px;padding:16px;white-space:pre-wrap;font-size:.95rem;line-height:1.7}
.prompt-box mark{background:var(--warn);color:var(--warn-ink);border-radius:4px;padding:0 3px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.out{line-height:1.75}.out table{border-collapse:collapse;width:100%;margin:10px 0;font-size:.93rem}.out th,.out td{border:1px solid var(--line);padding:6px 10px;text-align:left;vertical-align:top}.out th{background:var(--code)}
.t{border-collapse:collapse;width:100%;font-size:.92rem}.t th,.t td{border-bottom:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}.t th{font-weight:600;background:var(--code)}
.t.num td:not(:first-child){text-align:right;font-variant-numeric:tabular-nums}.t tr.tot td{font-weight:700;border-top:2px solid var(--ink)}
tr.warn td{background:var(--warn)}
.scroll{overflow-x:auto}
.issue{color:var(--warn-ink);font-size:.85rem}
.drop{border:2px dashed var(--line);border-radius:var(--radius);padding:32px;text-align:center;cursor:pointer;background:var(--panel)}
.drop.over{border-color:var(--brand);background:var(--brand-soft)}
.prog{list-style:none;padding:0;margin:12px 0;font-size:.92rem}.prog li{padding:4px 0;border-bottom:1px solid var(--line)}
.form2{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin-bottom:12px}
.res{margin-top:12px}.note{font-size:.85rem;color:var(--muted)}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}
.public{max-width:1000px;margin:0 auto;padding:24px 16px 60px}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:8px 0 24px}
.feature{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin:24px 0}
.login{max-width:400px;margin:10vh auto;padding:0 16px}
.notice{background:var(--warn);color:var(--warn-ink);padding:10px 14px;border-radius:10px;margin-bottom:14px;font-size:.92rem}
.menu-btn{display:none}
@media (max-width:820px){
  .shell{grid-template-columns:1fr}
  .side{position:fixed;inset:0 auto 0 0;width:270px;z-index:20;transform:translateX(-100%);transition:transform .2s;box-shadow:0 0 30px rgba(0,0,0,.2)}
  .side.open{transform:none}
  .menu-btn{display:inline-flex;margin-bottom:12px}
  .main{padding:16px}
  .two{grid-template-columns:1fr}
  h1{font-size:1.4rem}
}
[hidden]{display:none !important}