:root{--ink:#1E2A44;--accent:#ff8c55;--bg:#f6f7fb;--card:#fff;--muted:#6b7280;--line:#e5e7eb;--bad:#c0392b;--ok:#1e8e3e;
  font-family:"Sarabun","Noto Sans Thai",system-ui,sans-serif;color:var(--ink);}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:var(--bg);font-size:16px;line-height:1.55}
a{color:var(--ink)}
.wrap{max-width:1100px;margin:0 auto;padding:16px}
.topbar{display:flex;align-items:center;gap:12px;padding:10px 16px;background:var(--ink);color:#fff;flex-wrap:wrap}
.topbar a{color:#fff;text-decoration:none}
.topbar .brand{font-weight:700;font-size:18px}
.topbar .brand span{color:var(--accent)}
.topbar .spacer{flex:1}
.topbar .who{opacity:.85;font-size:14px}
.btn{display:inline-flex;align-items:center;gap:6px;border:0;border-radius:10px;padding:10px 16px;font:inherit;cursor:pointer;
  background:var(--accent);color:#1b1b1b;font-weight:600;text-decoration:none}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--ink)}
.topbar .btn.ghost{border-color:rgba(255,255,255,.35);color:#fff}
.btn.danger{background:var(--bad);color:#fff}
.btn:disabled{opacity:.5;cursor:default}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:6px}
.card .icon{font-size:30px}
.card h3{margin:0;font-size:17px}
.card p{margin:0;color:var(--muted);font-size:14px;flex:1}
.card .meta{font-size:12px;color:var(--muted)}
.card .row{display:flex;gap:8px;margin-top:8px}
.tabs{display:flex;gap:8px;margin:12px 0;flex-wrap:wrap}
.tabs button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 14px;font:inherit;cursor:pointer}
.tabs button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
input[type=text],input[type=password],input[type=number],textarea,select{width:100%;padding:10px 12px;border:1px solid var(--line);
  border-radius:10px;font:inherit;background:#fff}
label{display:block;font-weight:600;margin:14px 0 6px}
.hint{color:var(--muted);font-size:13px;font-weight:400}
.panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:16px}
.panel h2{margin:0 0 8px;font-size:18px}
.drop{border:2px dashed var(--line);border-radius:14px;padding:28px;text-align:center;color:var(--muted);cursor:pointer}
.drop.over{border-color:var(--accent);background:#fff6f1}
.bar{height:8px;background:var(--line);border-radius:99px;overflow:hidden;margin-top:8px}
.bar i{display:block;height:100%;width:0;background:var(--accent)}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:8px;border-bottom:1px solid var(--line);vertical-align:top}
.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 18px;
  border-radius:10px;z-index:99;max-width:90vw}
.toast.bad{background:var(--bad)}
.login-box{max-width:380px;margin:8vh auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.msg{padding:10px 12px;border-radius:10px;background:#fdecea;color:var(--bad);margin-top:12px}
.msg.ok{background:#e6f4ea;color:var(--ok)}
.empty{text-align:center;color:var(--muted);padding:40px 10px}
.run{display:flex;flex-direction:column;height:100dvh}
.run .topbar{padding:6px 12px}
.run #stage{flex:1;display:flex}
.run iframe{flex:1;border:0;width:100%;height:100%;background:#fff}
.pill{display:inline-block;font-size:12px;border-radius:99px;padding:2px 8px;background:#eef1f7}
pre.prompt{white-space:pre-wrap;background:#0f172a;color:#e2e8f0;padding:16px;border-radius:12px;font-size:14px}
.checks{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:6px}
.checks label{font-weight:400;margin:0}
@media (max-width:600px){.wrap{padding:10px}.topbar .who{display:none}}