:root{--bg:#0f1419;--card:#1a2029;--fg:#e6e9ee;--mut:#8b96a5;--acc:#2ecc71;--acc2:#3498db;--err:#e74c3c;--warn:#f39c12;--line:#2a323d}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font-family:-apple-system,"Segoe UI",Roboto,"Noto Sans Thai",sans-serif;line-height:1.5}
a{color:var(--acc2);text-decoration:none}a:hover{text-decoration:underline}
.topbar{display:flex;align-items:center;gap:14px;padding:10px 16px;background:#12171e;border-bottom:1px solid var(--line);position:sticky;top:0}
.brand{font-weight:700;color:var(--fg);font-size:1.1rem}
.topbar nav{margin-left:auto;display:flex;align-items:center;gap:14px}
.topbar .who{color:var(--mut);font-size:.9rem}
.btn-sm{background:var(--acc);color:#06210f;padding:4px 10px;border-radius:6px;font-weight:600}
main{max-width:1360px;margin:20px auto;padding:0 18px}
footer{max-width:1360px;margin:24px auto;padding:12px 18px;color:var(--mut);font-size:.8rem;text-align:center}
/* Management pages (.card.wide) fill the big PC screen; forms/content (.card) — including
   ones nested inside a wide page — stay a readable centred column so inputs don't stretch. */
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin-bottom:16px;max-width:860px;margin-inline:auto}
.card.narrow{max-width:420px;margin-inline:auto}
.card.wide{max-width:none;margin-inline:0}
.card.center{text-align:center}
h1{margin:.2em 0 .6em;font-size:1.4rem}h2{font-size:1.1rem;margin:.2em 0 .6em}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));align-items:start}
.form{display:flex;flex-direction:column;gap:12px}
.form label{display:flex;flex-direction:column;gap:4px;font-size:.9rem;color:var(--mut)}
.form label.check{flex-direction:row;align-items:center;gap:8px;color:var(--fg)}
input,select{background:#0f141a;border:1px solid var(--line);color:var(--fg);border-radius:8px;padding:9px 10px;font-size:1rem;width:100%}
input[type=checkbox]{width:auto}input[type=range]{padding:0}
button{background:var(--acc);color:#06210f;border:0;border-radius:8px;padding:10px 14px;font-weight:600;font-size:1rem;cursor:pointer}
button.danger{background:var(--err);color:#fff;padding:5px 10px;font-size:.85rem}
button.ok{background:var(--acc);padding:5px 10px;font-size:.85rem}
button.link{background:none;color:var(--acc2);padding:0;font-size:.8rem;font-weight:400;text-decoration:underline}
.inline{display:inline}.row{display:flex;gap:8px;margin-bottom:12px}.row input{flex:1}
.muted{color:var(--mut)}.small{font-size:.82rem}.center{text-align:center}
.alert{border-radius:8px;padding:10px 14px;margin-bottom:14px;font-size:.92rem}
.alert.info{background:#12283a;border:1px solid #245}.alert.err{background:#3a1414;border:1px solid #622;color:#f7bcbc}
.alert.ok{background:#123a20;border:1px solid #264;color:#b7f7c9}
.alert ul{margin:.3em 0 0;padding-left:1.1em}
.tag{display:inline-block;padding:1px 8px;border-radius:20px;font-size:.75rem;font-weight:600}
.tag.ham{background:#123a20;color:var(--acc)}.tag.pending{background:#3a3112;color:var(--warn)}
.tag.role{background:#12283a;color:var(--acc2)}.tag.ok{background:#123a20;color:var(--acc)}
.tag.off{background:#3a1414;color:var(--err)}
.who-big{font-size:1.15rem;font-weight:600;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.tbl{width:100%;border-collapse:collapse;font-size:.9rem}
.tbl th,.tbl td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{color:var(--mut);font-weight:600}
.disabled-row{opacity:.5}
.nowrap{white-space:nowrap}
.gw-card{display:block;background:#0f141a;border:1px solid var(--line);border-radius:10px;padding:14px;color:var(--fg)}
.gw-card:hover{border-color:var(--acc2);text-decoration:none}
.gw-card.off{opacity:.6}
.gw-top{display:flex;align-items:center;gap:8px;justify-content:space-between;font-size:1.05rem}
.gw-stat{margin-top:8px;font-size:.9rem}
.dot{width:10px;height:10px;border-radius:50%;display:inline-block}
.dot.on{background:var(--acc);box-shadow:0 0 6px var(--acc)}.dot.off{background:var(--err)}
.btn-xs{background:#12283a;border:1px solid #245;color:var(--acc2);padding:4px 9px;border-radius:6px;font-size:.82rem}
.btn-xs:hover{text-decoration:none;border-color:var(--acc2)}
button.ghost{background:#0f141a;border:1px solid var(--line);color:var(--fg)}
.typebox{border:1px solid var(--line);border-radius:8px;padding:12px;background:#0f141a;display:none}
.tag.zello{background:#3a2312;color:#f39c12}.tag.mumble{background:#1c2b3a;color:#5dade2}.tag.app{background:#22303a;color:var(--mut)}
.sep{border:0;border-top:1px solid var(--line);margin:16px 0}
.dl{display:block;text-align:center;background:#12283a;border:1px solid #245;color:var(--acc2);padding:11px;border-radius:8px;font-weight:600}
.dl:hover{text-decoration:none;border-color:var(--acc2)}