:root{--blue:#007799;--deep:#00526a;--cyan:#009ac7;--orange:#d37a03;--paper:#f2f7f8;--ink:#333;--muted:#63747a;--line:rgba(0,82,106,.15);--green:#21805c;--white:#fff;--shadow:0 28px 80px rgba(0,82,106,.12)}

*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:linear-gradient(145deg,#fff 0%,var(--paper) 70%);color:var(--ink);font-family:Ubuntu,system-ui,sans-serif}
button,input,select{font:inherit}
button{min-height:46px;padding:0 18px;border:0;border-radius:12px;background:var(--blue);color:#fff;font-weight:700;cursor:pointer}
button:hover{background:var(--deep)}
button:disabled{cursor:not-allowed;opacity:.42}
.secondary{background:#e5eef0;color:var(--deep)}
.secondary:hover{background:#d7e6e9}
.topbar{height:104px;padding:0 max(28px,5vw);display:flex;align-items:center;justify-content:space-between;background:linear-gradient(90deg,#fff 0 52%,var(--blue) 52%);border-bottom:1px solid var(--line)}
.topbar>div:first-child{display:flex;flex-direction:column;gap:5px}
.school{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.13em}
.topbar strong{font-size:25px;color:var(--deep)}
.connection{display:flex;align-items:center;gap:9px;color:#fff;font-weight:700}
.connection span:first-child{width:10px;height:10px;border-radius:50%;background:#9fb7bd;box-shadow:0 0 0 5px rgba(255,255,255,.12)}
.connection.online span:first-child{background:#7be0ad}
main{width:min(1220px,calc(100% - 40px));margin:42px auto 80px}
.card,.panel,.stats article{background:rgba(255,255,255,.9);border:1px solid var(--line);box-shadow:var(--shadow)}
.login{width:min(540px,100%);margin:10vh auto;padding:38px;border-radius:24px}
.login h1,.hero h1{margin:5px 0 12px;color:var(--deep);font-size:42px;letter-spacing:-.04em}
.login p{color:var(--muted);line-height:1.5}
.login form{display:grid;gap:18px;margin-top:26px}
.eyebrow{margin:0;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
.hero,.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:24px}
.hero{margin-bottom:22px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}
.stats article{padding:22px;border-radius:18px}
.stats span{display:block;color:var(--muted);font-size:13px}
.stats strong{display:block;margin-top:6px;color:var(--deep);font-size:34px}
.tabs{display:flex;gap:7px;margin-bottom:14px}
.tabs button{background:transparent;color:var(--muted)}
.tabs button.active{background:var(--deep);color:#fff}
.panel{display:none;padding:26px;border-radius:24px}
.panel.active{display:block}
.panel h2{margin:4px 0 0;color:var(--deep);font-size:29px}
.inline-form,.enrollment{margin:22px 0;padding:22px;border:1px solid var(--line);border-radius:18px;background:#f7fbfc}
.inline-form{display:grid;grid-template-columns:2fr 1fr auto;align-items:end;gap:14px}
.inline-form[hidden],.enrollment[hidden]{display:none}
label{display:grid;gap:7px;color:var(--muted);font-size:13px;font-weight:700}
input,select{width:100%;min-height:48px;padding:0 13px;border:1px solid #bfd1d5;border-radius:11px;background:#fff;color:var(--ink)}
input:focus,select:focus{outline:3px solid rgba(0,154,199,.18);border-color:var(--cyan)}
.form-actions{display:flex;gap:9px;align-items:center}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;margin-top:20px}
th,td{padding:16px 13px;border-bottom:1px solid var(--line);text-align:left}
th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.08em}
td strong{color:var(--deep)}
.state{display:inline-flex;padding:7px 10px;border-radius:20px;background:#e6f2f5;color:var(--deep);font-size:12px;font-weight:700}
.reader-state{display:flex;align-items:center;gap:17px;margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.reader-state small{display:block;margin-top:5px;color:var(--muted)}
.reader-pulse{width:22px;height:22px;border:5px solid #b8c9cd;border-radius:50%}
.reader-state.ready .reader-pulse{border-color:var(--green);box-shadow:0 0 0 7px rgba(33,128,92,.12)}
.reader-state.ready strong{color:var(--green)}
.enrollment form{display:grid;gap:18px}
fieldset{margin:0;padding:0;border:0}
legend{margin-bottom:10px;color:var(--muted);font-size:13px;font-weight:700}
.checkbox-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.checkbox-grid label{display:flex;align-items:center;gap:9px;padding:12px;border:1px solid var(--line);border-radius:11px;background:#fff;color:var(--ink)}
.checkbox-grid input{width:19px;min-height:19px}
.chip-list,.group-list{display:grid;gap:12px;margin-top:20px}
.chip-card,.group-card{padding:18px;border:1px solid var(--line);border-radius:16px;background:#fff}
.chip-card{display:grid;grid-template-columns:minmax(180px,.8fr) minmax(260px,1.5fr) auto;align-items:center;gap:18px}
.chip-card small,.group-card small{display:block;margin-top:5px;color:var(--muted)}
.chip-card.inactive{opacity:.58}
.tag-list{display:flex;flex-wrap:wrap;gap:6px}
.tag{padding:6px 9px;border-radius:16px;background:#edf5f6;color:var(--deep);font-size:12px}
.error{min-height:1.2em;color:#a33b27}
.toast{position:fixed;right:28px;bottom:24px;max-width:420px;margin:0;padding:15px 18px;border-radius:13px;background:var(--deep);color:#fff;box-shadow:var(--shadow);opacity:0;transform:translateY(10px);pointer-events:none;transition:.2s}
.toast.visible{opacity:1;transform:none}
.toast.error{background:#a33b27}
@media(max-width:780px){.topbar{background:#fff}
.connection{color:var(--deep)}
.stats{grid-template-columns:repeat(2,1fr)}
.inline-form{grid-template-columns:1fr}
.chip-card{grid-template-columns:1fr}
.checkbox-grid{grid-template-columns:1fr}
}

.brand-filters{position:absolute;width:0;height:0;overflow:hidden}
html,body{background:
  radial-gradient(circle at 12% 5%,rgba(0,154,199,.12),transparent 34rem),
  linear-gradient(145deg,#fff 0%,var(--paper) 62%,#e8f0f2 100%)}
.topbar{padding-right:0;background:linear-gradient(90deg,#fff 0 48%,var(--blue) 48% 100%);box-shadow:0 6px 24px rgba(0,82,106,.08)}
.topbar-copy{padding-right:24px}
.topbar-tools{height:100%;display:flex;align-items:center;gap:28px}
.partner-logo{align-self:stretch;width:190px;display:flex;align-items:center;justify-content:center;background:var(--blue);overflow:hidden}
.partner-logo img{display:block;width:132px;height:auto;filter:url("#remove-white-background") drop-shadow(0 2px 5px rgba(255,255,255,.38))}
.school{color:var(--blue)}
button{background:var(--blue);box-shadow:0 7px 16px rgba(0,119,153,.14)}
button:hover{background:var(--deep)}
.tabs button{box-shadow:none}
.tabs button.active{background:var(--deep)}
.card,.panel,.stats article{backdrop-filter:blur(16px)}
input:focus,select:focus{outline-color:rgba(0,154,199,.18);border-color:var(--cyan)}
@media(max-width:780px){
  .topbar{height:96px;padding-left:24px;background:#fff}
  .topbar strong{font-size:21px}
  .topbar-tools{gap:14px}
  .connection{display:none}
  .partner-logo{width:132px;background:var(--blue)}
  .partner-logo img{width:100px}
}