:root{
  --canvas:#FAF9F7; --card:#FFFFFF; --ink:#07112A; --ink2:#5A6472; --ink3:#8A93A2;
  --hair:rgba(7,17,42,.08); --wash:#F4F3F0;
  --blue:#1877F2; --blue-soft:#EAF2FE; --orange:#E8581C; --orange-soft:#FDEEE7;
  --good:#15803D; --good-soft:#E8F6EC; --bad:#B42318; --bad-soft:#FDECEA; --warn:#B45309; --warn-soft:#FEF3E2;
  --s1:0 1px 1px rgba(7,17,42,.02),0 8px 20px -10px rgba(7,17,42,.08),0 24px 48px -24px rgba(7,17,42,.10);
  --s2:0 1px 2px rgba(7,17,42,.04),0 14px 30px -12px rgba(7,17,42,.14),0 32px 64px -28px rgba(7,17,42,.16);
  --fh:'Plus Jakarta Sans',system-ui,sans-serif; --fb:'Instrument Sans',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--canvas);color:var(--ink);font:400 16px/1.6 var(--fb);-webkit-font-smoothing:antialiased;min-height:100vh}
a{color:var(--blue);text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
svg.i{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:none}
.mark{flex:none;width:36px;height:36px;border-radius:11px;background:var(--ink);color:#fff;display:grid;place-items:center;font:800 14px var(--fh)}
.card{background:var(--card);border-radius:18px;box-shadow:var(--s1)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 18px;border-radius:12px;background:var(--ink);color:#fff;font-weight:600;font-size:14.5px;white-space:nowrap;transition:opacity .2s}
.btn:hover{opacity:.9}
.btn.ghost{background:var(--card);color:var(--ink);box-shadow:inset 0 0 0 1px var(--hair)}
.btn.sm{height:34px;padding:0 12px;font-size:13.5px;border-radius:9px}
.btn.danger{background:var(--card);color:var(--bad);box-shadow:inset 0 0 0 1px var(--hair)}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;padding:3px 10px;border-radius:999px;white-space:nowrap}
.chip.good{background:var(--good-soft);color:var(--good)}
.chip.warn{background:var(--warn-soft);color:var(--warn)}
.chip.mute{background:var(--wash);color:var(--ink2)}
label.f{display:block;font-size:13px;font-weight:600;color:var(--ink2);margin-bottom:6px}
.in{width:100%;height:44px;border:0;border-radius:11px;background:var(--canvas);box-shadow:inset 0 0 0 1px var(--hair);padding:0 13px;font:inherit;font-size:15px;color:var(--ink);outline:none}
textarea.in{height:auto;min-height:44px;padding:10px 13px;resize:vertical}
.in:focus{box-shadow:inset 0 0 0 2px var(--blue)}
select.in{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,#8A93A2 50%),linear-gradient(135deg,#8A93A2 50%,transparent 50%);background-position:calc(100% - 18px) 19px,calc(100% - 13px) 19px;background-size:5px 5px;background-repeat:no-repeat;padding-right:32px}
.flash{padding:12px 16px;border-radius:12px;font-size:14.5px;font-weight:500;margin-bottom:16px}
.flash.ok{background:var(--good-soft);color:var(--good)}
.flash.error{background:var(--bad-soft);color:var(--bad)}

/* login */
.login{min-height:100vh;display:grid;place-items:center;padding:24px 16px}
.login .card{width:100%;max-width:420px;padding:34px 30px}
.login .brand{display:flex;align-items:center;gap:12px;margin-bottom:26px}
.login .brand b{font:700 16px var(--fh);display:block;line-height:1.25}
.login .brand small{font-size:13px;color:var(--ink3)}
.login h1{font:800 26px/1.2 var(--fh);letter-spacing:-.02em}
.login p.sub{color:var(--ink2);margin:8px 0 22px;font-size:15px}
.login .in{height:52px;font:600 17px var(--fh);letter-spacing:.08em;text-transform:uppercase;text-align:center}
.login .in::placeholder{letter-spacing:.02em;text-transform:none;font:500 15px var(--fb);color:var(--ink3)}
.login .btn{width:100%;height:52px;margin-top:14px;font-size:15.5px}
.login .note{font-size:13px;color:var(--ink3);text-align:center;margin-top:18px}
.keybox{position:relative}
.keybox .peek{position:absolute;right:8px;top:50%;transform:translateY(-50%);height:36px;padding:0 12px;border-radius:9px;font-size:13px;font-weight:600;color:var(--ink2);background:var(--card);box-shadow:inset 0 0 0 1px var(--hair)}
.keybox .in{padding-right:76px;padding-left:76px}
.login .forget{margin-top:16px;text-align:center}
.login .forget button{font-size:13px;font-weight:600;color:var(--ink3)}
.login .forget button:hover{color:var(--blue)}

/* admin */
.top{position:sticky;top:0;z-index:20;background:rgba(250,249,247,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--hair)}
.top .in-wrap{max-width:1180px;margin:0 auto;padding:0 20px;height:64px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.top .brand{display:flex;align-items:center;gap:12px;min-width:0}
.top .brand b{font:700 15.5px var(--fh);display:block;line-height:1.2}
.top .brand small{font-size:12.5px;color:var(--ink3)}
.admin{max-width:1180px;margin:0 auto;padding:24px 20px 60px;display:grid;grid-template-columns:240px 1fr;gap:22px;align-items:start}
.side{position:sticky;top:88px}
.side h4{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--ink3);margin:0 0 10px 4px}
.side a.cl{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;border-radius:11px;color:var(--ink);font-weight:600;font-size:14.5px}
.side a.cl:hover{background:var(--wash)}
.side a.cl.on{background:var(--card);box-shadow:var(--s1)}
.side details{margin-top:14px}
.side summary{cursor:pointer;list-style:none;font-size:14px;font-weight:600;color:var(--blue);padding:8px 12px}
.side summary::-webkit-details-marker{display:none}
.side form{padding:12px;display:grid;gap:10px}
.head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.head h1{font:800 28px/1.15 var(--fh);letter-spacing:-.02em}
.head p{color:var(--ink2);font-size:14.5px;margin-top:4px}
.head .acts{display:flex;gap:8px;flex-wrap:wrap}
.sum{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px}
.sum .card{padding:16px 18px}
.sum .k{font-size:13px;color:var(--ink2);font-weight:500}
.sum .v{font:800 22px var(--fh);letter-spacing:-.02em;font-variant-numeric:tabular-nums;margin-top:2px}
.sec{padding:22px 24px;margin-bottom:16px}
.sec h2{font:700 17px var(--fh);display:flex;align-items:center;gap:8px;margin-bottom:4px}
.sec .hint{font-size:13.5px;color:var(--ink3);margin-bottom:16px}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;align-items:end}
.grid .w2{grid-column:span 2}.grid .w4{grid-column:1/-1}
.list{margin-top:18px}
.li{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;padding:12px 0;border-top:1px solid var(--hair);font-size:14.5px}
.li b{font-weight:600}
.li small{display:block;color:var(--ink3);font-size:13px}
.li .acts{display:flex;gap:6px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.li.off{opacity:.55}
.grp-h{font:700 14px var(--fh);color:var(--ink2);margin:16px 0 4px}
.key{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:var(--canvas);border-radius:12px;padding:12px 14px;margin-top:10px}
.key code{font:700 18px/1.3 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:.06em;color:var(--ink)}
.copy{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 12px;border-radius:8px;box-shadow:inset 0 0 0 1px var(--hair);background:var(--card);font-size:13.5px;font-weight:600;color:var(--ink);transition:color .2s,background .2s}
.copy.done{color:var(--good);background:var(--good-soft);box-shadow:none}
.cmt-t{white-space:pre-wrap;color:var(--ink);font-size:15px}
.empty{color:var(--ink3);font-size:14.5px;padding:10px 0}
@media (max-width:900px){.admin{grid-template-columns:1fr}.side{position:static}.grid{grid-template-columns:1fr 1fr}.sum{grid-template-columns:1fr}}
@media (max-width:560px){.grid{grid-template-columns:1fr}.grid .w2{grid-column:auto}.sec{padding:18px}.head h1{font-size:24px}}