/* Cloud WiFi: IPMan light design language */
:root{--bg:#F6F8FA;--card:#fff;--line:#DCE2E8;--line2:#E7EBEF;--line3:#EEF1F4;--ink:#1F2933;--muted:#5B6875;
--teal:#0B6E69;--teal-d:#084F4C;--teal-t:#DDF3F1;--teal-tt:#EEF7F6;--warn-bg:#FCEFD9;--warn:#6B4400;--high-bg:#FCE4D6;--high:#8A3B12;
--neutral-bg:#EEF1F4;--neutral:#3E4A55;--field:#C9D1D9}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.45 Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--teal)}a:hover{color:var(--teal-d)}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
.mono{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.muted{color:var(--muted)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
h1{margin:0;font-size:24px;font-weight:600}h2{margin:0;font-size:14px;font-weight:600}
/* layout */
.shell{min-height:100vh;display:flex;flex-wrap:wrap}
.nav{flex:1 1 220px;max-width:100%;padding:14px 10px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column}
.nav .brand{display:flex;align-items:center;gap:8px;min-height:36px;padding:0 10px;font-size:18px;font-weight:600;color:var(--teal);text-decoration:none}
.nav .nh{margin:12px 0 3px;padding:0 10px;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.nav a.n{display:flex;align-items:center;min-height:32px;padding:0 10px;border-radius:4px;color:var(--ink);text-decoration:none}
.nav a.n[aria-current=page]{background:var(--teal-t);font-weight:600}
.nav a.n:hover{background:var(--line3)}
.nav .foot{margin-top:auto;padding:16px 10px 0;font-size:12px;color:var(--muted);display:flex;flex-direction:column;gap:6px}
.content{flex:999 1 560px;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between;padding:10px 24px;background:#fff;border-bottom:1px solid var(--line)}
.topbar .who{font-size:13px;color:var(--muted)}
main{padding:22px 24px;display:flex;flex-direction:column;gap:14px}
.head{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(min(220px,100%),1fr))}
.grid.wide{grid-template-columns:repeat(auto-fit,minmax(min(360px,100%),1fr))}
.split{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-start}.split>.main{flex:999 1 560px;min-width:0}.split>.side{flex:1 1 320px;min-width:0}
/* cards and tables */
.card{background:var(--card);border:1px solid var(--line);border-radius:6px;min-width:0}
.ch{padding:12px 16px;border-bottom:1px solid var(--line2);font-weight:600;display:flex;justify-content:space-between;gap:8px;align-items:center}
.cb{padding:16px}
.stat{display:flex;flex-direction:column;gap:4px}.stat .v{font-family:"JetBrains Mono",monospace;font-size:28px;font-weight:500}
.scroll{overflow-x:auto}
.t{width:100%;border-collapse:collapse}
.t th{padding:9px 12px;text-align:left;font-size:12px;font-weight:600;color:var(--muted);border-bottom:1px solid var(--line);white-space:nowrap}
.t td{padding:9px 12px;border-bottom:1px solid var(--line3);white-space:nowrap}
.t .r{text-align:right}.t tr.sel{background:var(--teal-tt)}
.tfoot{padding:9px 16px;font-size:13px;color:var(--muted);display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap}
.toolbar{display:flex;flex-wrap:wrap;gap:8px;padding:10px 16px;border-bottom:1px solid var(--line2);align-items:center}
.kv{display:grid;grid-template-columns:150px minmax(0,1fr);gap:10px 16px;margin:0}.kv dt{color:var(--muted)}.kv dd{margin:0}
.list>div{padding:10px 0;border-top:1px solid var(--line3)}.list>div:first-child{border-top:0}
.list small{display:block;margin-top:2px;font-size:12px;color:var(--muted)}
/* tabs */
.tabs{display:flex;flex-wrap:wrap;gap:2px;border-bottom:1px solid var(--line)}
.tabs a{padding:9px 13px;border-bottom:2px solid transparent;color:var(--muted);text-decoration:none}
.tabs a[aria-current=page]{border-color:var(--teal);color:var(--ink);font-weight:600}
/* badges and notes */
.b{display:inline-block;padding:2px 8px;border-radius:10px;font-size:12px;font-weight:600}
.b-ok{background:var(--teal-t);color:var(--teal-d)}.b-warn{background:var(--warn-bg);color:var(--warn)}
.b-high{background:var(--high-bg);color:var(--high)}.b-n{background:var(--neutral-bg);color:var(--neutral)}
.note{margin:0;padding:9px 13px;border-radius:4px}.note-ok{background:var(--teal-t)}.note-warn{background:var(--warn-bg);color:#3B2A00}
.note-err{background:var(--high-bg);color:#5A2309}.note-info{background:var(--teal-tt)}
/* forms */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 13px;border:1px solid var(--field);border-radius:4px;background:#fff;color:var(--ink);font:inherit;font-weight:500;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--line3);color:var(--ink)}
.btn.pri{background:var(--teal);border-color:var(--teal);color:#fff}.btn.pri:hover{background:var(--teal-d)}
.btn.sm{min-height:32px;padding:0 10px}
.btn:disabled{background:#AEBBC4;border-color:#AEBBC4;color:#fff;cursor:not-allowed}
.f{width:100%;min-height:38px;padding:0 10px;border:1px solid var(--field);border-radius:4px;background:#fff;color:var(--ink);font:inherit}
select.f{padding-right:6px}
label{display:block;margin-bottom:5px;font-size:13px;font-weight:500}
.fields{display:flex;flex-direction:column;gap:12px}.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.check{display:flex;gap:8px;align-items:flex-start;font-weight:400;font-size:14px;margin:0}
.check input{width:18px;height:18px;margin:1px 0 0;flex:none}
.hint{margin:4px 0 0;font-size:12px;color:var(--muted)}
.inline{display:inline}
meter{width:100%;height:8px}
meter.small{width:80px;height:6px}
.codes{padding:10px 12px;background:var(--bg);border:1px solid var(--line2);border-radius:4px;font-size:13px;line-height:1.7}
/* sign-in and portal */
.center{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.panel{width:100%;max-width:400px;background:#fff;border:1px solid var(--line);border-radius:6px;padding:28px;display:flex;flex-direction:column;gap:18px}
.portal{max-width:440px;margin:0 auto;padding:32px 20px 20px;min-height:100vh;display:flex;flex-direction:column;gap:20px}
.portal .tenant{display:flex;align-items:center;gap:12px}.portal .tenant p{margin:0}
.portal .logo{width:48px;height:48px;display:flex;align-items:center;justify-content:center;border-radius:6px;background:var(--teal);color:#fff;font-weight:600}
.portal .ptabs{display:flex;border-bottom:1px solid var(--line)}
.portal .ptabs a{flex:1;min-height:48px;display:flex;align-items:center;justify-content:center;border-bottom:2px solid transparent;color:var(--muted);text-decoration:none;font-size:15px}
.portal .ptabs a[aria-current=page]{border-color:var(--teal);color:var(--ink);font-weight:600}
.portal form{padding:20px 16px}
.portal .f{min-height:44px;font-size:16px}
.portal .btn{min-height:48px;font-size:16px}
.portal .foot{margin-top:auto;font-size:12px;color:var(--muted);text-align:center}
.okmark{width:36px;height:36px;flex:none}
@media (max-width:640px){main{padding:16px}.topbar{padding:10px 16px}.kv{grid-template-columns:1fr}.row2{grid-template-columns:1fr}}
/* voucher print sheet */
.sheet{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:16px}
.vcard{border:1px dashed #9AA6B2;border-radius:6px;padding:10px 12px;break-inside:avoid}
.vcard .code{font-family:"JetBrains Mono",monospace;font-size:18px;font-weight:500;letter-spacing:1px;margin:4px 0}
@media print{.noprint{display:none}.sheet{padding:0}body{background:#fff}}