:root{
  --bg:#f4f7fb;
  --surface:#ffffff;
  --surface-soft:#f8fafc;
  --text:#172033;
  --muted:#64748b;
  --line:#dbe3ee;
  --blue:#3468c0;
  --green:#278a4b;
  --purple:#7357b5;
  --radius:18px;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text)}
button,input,select{font:inherit}
.shell{width:min(1080px,calc(100% - 28px));margin:0 auto;padding:34px 0 50px}
.hero{padding:18px 4px 24px}
.eyebrow{margin:0 0 6px;text-transform:uppercase;letter-spacing:.08em;font-size:.72rem;font-weight:800;color:var(--muted)}
h1{font-size:clamp(2rem,6vw,3.6rem);line-height:1.03;margin:.1em 0 .35em;max-width:850px}
h2{margin:.1em 0 .45em}
.intro{max-width:780px;font-size:1.08rem;line-height:1.65;color:#43506a}
.revision{display:inline-flex;vertical-align:middle;font-size:.68rem;padding:4px 8px;border:1px solid var(--line);border-radius:999px;color:var(--muted);background:var(--surface)}
.simulator,.plain-language{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 8px 30px rgba(36,55,85,.06)}
.simulator{display:grid;gap:18px}
.simulator-copy p:last-child,.plain-language p{color:#526078;line-height:1.6;margin-bottom:0}
.controls{display:grid;grid-template-columns:minmax(180px,.55fr) 1fr;gap:18px;align-items:end}
label{display:grid;gap:7px;font-size:.82rem;font-weight:800}
select{min-height:46px;border:1px solid var(--line);border-radius:12px;padding:0 12px;background:var(--surface-soft);color:var(--text)}
.time-control span{display:flex;justify-content:space-between;gap:15px}
output{font-variant-numeric:tabular-nums;color:var(--blue);font-size:1rem}
input[type=range]{width:100%;accent-color:var(--blue)}
.selected-time{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;padding:12px 14px;border-radius:12px;background:#eef4ff;color:#31527f}
.selected-time strong{font-size:1.05rem}
.hint{margin:0;color:var(--muted);font-size:.82rem}
.portal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0}
.portal-card{display:flex;gap:15px;min-height:220px;padding:21px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);color:inherit;text-decoration:none;box-shadow:0 8px 30px rgba(36,55,85,.05);transition:transform .15s ease,box-shadow .15s ease}
a.portal-card:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(36,55,85,.1)}
.portal-icon{font-size:2rem;line-height:1}
.portal-card p:not(.eyebrow){color:#526078;line-height:1.5}
.portal-card.student{border-top:5px solid var(--blue)}
.portal-card.parent{border-top:5px solid var(--green)}
.portal-card.sna{border-top:5px solid var(--purple)}
.open{display:inline-block;margin-top:8px;font-weight:850;color:var(--blue)}
.parent .open{color:var(--green)}
.disabled{opacity:.68;background:#f2f3f7}
.coming{display:inline-flex;margin-top:8px;padding:6px 9px;border-radius:999px;background:#e8e4f5;color:#5f4b9b;font-size:.78rem;font-weight:850}
.plain-language{margin-top:16px}
@media(max-width:800px){
  .portal-grid{grid-template-columns:1fr}
  .portal-card{min-height:auto}
}
@media(max-width:620px){
  .shell{width:min(100% - 20px,1080px);padding-top:20px}
  .controls{grid-template-columns:1fr}
  .simulator{padding:18px}
}

.selected-row{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:stretch}
.now-button{
  min-width:92px;border:0;border-radius:12px;padding:0 18px;
  background:#3468c0;color:#fff;font-weight:850;cursor:pointer
}
.now-button:hover{filter:brightness(.96)}
@media(max-width:620px){
  .selected-row{grid-template-columns:1fr}
  .now-button{min-height:46px}
}

.install-gate{
  position:fixed;inset:0;z-index:9999;background:rgba(20,34,50,.78);
  display:grid;place-items:center;padding:20px
}
.install-gate[hidden]{display:none}
.install-dialog{
  width:min(560px,100%);background:#fff;border-radius:26px;padding:28px;
  box-shadow:0 24px 70px rgba(0,0,0,.25)
}
.install-dialog h1{margin:.25rem 0 1rem}
.install-icon{font-size:42px}
.install-steps{display:grid;gap:10px;padding-left:1.35rem}
.install-note{padding:12px 14px;background:#eef4ff;border-radius:12px;font-weight:650}
.install-status-card{
  display:flex;justify-content:space-between;align-items:center;gap:18px;
  background:#fff;border:1px solid #d9e3ec;border-radius:20px;padding:20px 24px;margin-bottom:18px
}
.install-status-card h2,.install-status-card p{margin:.2rem 0}

.native-date-time-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
  margin:18px 0 8px;
}
.native-picker-field{
  display:grid;
  gap:7px;
  font-weight:750;
}
.native-picker-field>span{
  font-size:.92rem;
  color:#56667a;
}
.native-input-shell{
  display:flex;
  width:100%;
  min-width:0;
  align-items:center;
  border:1px solid #cfd9e4;
  border-radius:14px;
  background:#fff;
  padding:12px 14px;
}
.native-input-shell input[type="date"],
.native-input-shell input[type="time"]{
  display:block;
  width:100%;
  min-width:0;
  border:0;
  background:transparent;
  padding:0;
  font:inherit;
  font-size:1.05rem;
  color:inherit;
}
.picker-help{
  margin:6px 0 16px;
  color:#66758a;
  font-size:.92rem;
}
@media(max-width:620px){
  .native-date-time-grid{grid-template-columns:1fr}
  .native-input-shell{min-height:52px}
  .native-input-shell input[type="date"],
  .native-input-shell input[type="time"]{font-size:1.08rem}
}