:root{
  --bg:#f2f2f7;
  --panel:#ffffff;
  --card:#ffffff;
  --muted:#6b7280;
  --text:#111827;
  --brand:#007aff;
  --brand2:#34c759;
  --border:rgba(17,24,39,.12);
  --shadow:0 12px 30px rgba(17,24,39,.10);
  --shadow-soft:0 8px 20px rgba(17,24,39,.08);
  --radius:22px;
  --radius-sm:18px;
  --focus:0 0 0 4px rgba(0,122,255,.18);
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{box-sizing:border-box}
html,body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(900px 520px at 10% -10%, rgba(0,122,255,.12), transparent 58%),
    radial-gradient(900px 520px at 90% -10%, rgba(52,199,89,.10), transparent 58%),
    radial-gradient(1100px 900px at 50% 120%, rgba(88,86,214,.08), transparent 60%),
    var(--bg);
}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(900px 520px at 10% -10%, rgba(0,122,255,.12), transparent 58%),
    radial-gradient(900px 520px at 90% -10%, rgba(52,199,89,.10), transparent 58%),
    radial-gradient(1100px 900px at 50% 120%, rgba(88,86,214,.08), transparent 60%),
    var(--bg);
}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
.container{max-width:1120px;margin:0 auto;padding:0 20px}
.topbar{
  position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(160%) blur(14px);
  background:rgba(255,255,255,.78);
  border-bottom:1px solid var(--border);
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0}
.brand{
  display:flex;align-items:center;gap:12px;text-decoration:none;
}
.brand-mark{
  width:42px;height:42px;border-radius:14px;
  background:linear-gradient(135deg, rgba(45,212,191,.85), rgba(96,165,250,.85));
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;
}
.brand-mark img{width:100%;height:100%;object-fit:cover}
.brand-title{display:flex;flex-direction:column;line-height:1.1}
.brand-title strong{font-size:15px;letter-spacing:.2px}
.brand-title span{font-size:12px;color:var(--muted)}
.nav ul{display:flex;gap:14px;list-style:none;margin:0;padding:0}
.nav a{
  text-decoration:none;
  padding:10px 12px;
  border-radius:12px;
  color:var(--muted);
}
.nav a:hover{background:rgba(11,18,32,.04);color:var(--text)}
.actions{display:flex;gap:10px;align-items:center}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 16px;border-radius:16px;
  text-decoration:none;font-weight:700;
  border:1px solid var(--border);
  background:rgba(255,255,255,.65);
  color:var(--text);
}
.btn:hover{background:rgba(255,255,255,.92)}
.btn-primary{
  border-color:transparent;
  background:var(--brand);
  color:#fff;
  box-shadow:0 10px 20px rgba(0,122,255,.18);
}
.btn-primary:hover{filter:brightness(1.03)}
.hero{
  padding:44px 0 22px;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:18px;
}
@media (max-width: 920px){
  .hero-grid{grid-template-columns:1fr}
}
.panel{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow-soft);
}
.panel-pad{padding:22px}
.h1{font-size:44px;letter-spacing:-.6px;margin:0 0 10px}
@media (max-width: 520px){.h1{font-size:34px}}
.lead{color:var(--muted);margin:0 0 18px;font-size:16px;line-height:1.5}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media (max-width: 720px){.kpis{grid-template-columns:1fr}}
.kpi{
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:14px;
  background:var(--card);
}
.kpi strong{display:block;font-size:18px}
.kpi span{display:block;color:var(--muted);font-size:12px;margin-top:4px}

.section{padding:18px 0 44px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media (max-width: 920px){.card-grid{grid-template-columns:1fr}}
.card{
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--card);
  padding:18px;
}
.card h3{margin:0 0 8px;font-size:16px}
.card p{margin:0;color:var(--muted);line-height:1.5}
.footer{
  border-top:1px solid var(--border);
  color:var(--muted);
  padding:28px 0 40px;
  font-size:13px;
}

/* Forms */
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}
.input{
  width:100%;
  padding:13px 14px;
  border-radius:16px;
  border:1px solid rgba(17,24,39,.14);
  background:#fff;
  color:var(--text);
  outline:none;
}
.input:focus{box-shadow:var(--focus);border-color:rgba(45,212,191,.45)}
.alert{
  border:1px solid rgba(248,113,113,.35);
  background:rgba(248,113,113,.12);
  padding:12px 14px;
  border-radius:14px;
  margin-bottom:14px;
}
.small{color:var(--muted);font-size:13px}

/* 3DPA Teacher LMS plugin styling */
.threedpa-lms-dashboard{
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--card);
  padding:18px;
}
.threedpa-lms-dashboard h2{margin:0 0 10px;font-size:20px}
.threedpa-lms-dashboard .threedpa-lms-dashboard-intro{color:var(--muted);line-height:1.6}
.threedpa-lms-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
  margin-top:16px;
}
@media (max-width: 920px){.threedpa-lms-grid{grid-template-columns:1fr}}
.threedpa-lms-card{
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--card);
  padding:16px;
}
.threedpa-lms-card h3{margin:0 0 8px}
.threedpa-lms-card a{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:10px;
  text-decoration:none;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--border);
  background:rgba(11,18,32,.04);
}
.threedpa-lms-card a:hover{background:rgba(255,255,255,.10)}
.threedpa-lms-badge{
  display:inline-flex;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  background:rgba(45,212,191,.12);
  font-size:12px;
  color:var(--text);
}


/* iOS-style login */
.ios-login{
  min-height:calc(100vh - 92px);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:28px 0 46px;
}
.ios-card{
  width:min(520px, 92vw);
  background:rgba(255,255,255,.86);
  border:1px solid rgba(17,24,39,.10);
  border-radius:40px;
  box-shadow:var(--shadow);
  backdrop-filter:saturate(160%) blur(18px);
  -webkit-backdrop-filter:saturate(160%) blur(18px);
  overflow:hidden;
}
.ios-card-inner{padding:26px 22px}
.ios-logo{
  width:190px;height:190px;
  border-radius:40px;
  margin:10px auto 14px;
  box-shadow:0 14px 30px rgba(17,24,39,.14);
  overflow:hidden;
  background:#fff;
}
.ios-logo img{width:100%;height:100%;object-fit:cover}
.ios-title{font-weight:900;font-size:20px;text-align:center;margin:0}
.ios-sub{color:var(--muted);text-align:center;margin:8px 0 0;line-height:1.4}
.ios-form{margin-top:18px}
.ios-field{margin-bottom:12px}
.ios-label{font-size:13px;color:var(--muted);margin:0 0 6px 2px}
.ios-actions{margin-top:6px}
.ios-foot{margin:14px 0 0;text-align:center;color:var(--muted);font-size:13px}


/* Keep primary button blue on press/focus (prevent iOS/Safari default styling) */
button.btn.btn-primary{
  -webkit-appearance:none;
  appearance:none;
}
.btn-primary:visited{color:#fff;}
.btn-primary:active,
.btn-primary:focus,
.btn-primary:focus-visible{
  background:var(--brand);
  color:#fff;
  border-color:transparent;
  box-shadow:0 10px 20px rgba(0,122,255,.18);
  outline:none;
}

button.btn{ -webkit-appearance:none; appearance:none; }


/* Force iOS/Safari to keep the primary button blue on press (very specific + !important) */
button.btn.btn-primary,
button.btn.btn-primary:visited{
  background-color: var(--brand) !important;
  color:#fff !important;
  border-color: transparent !important;
  -webkit-tap-highlight-color: transparent;
}
button.btn.btn-primary:hover{
  background-color: var(--brand) !important;
  color:#fff !important;
}
button.btn.btn-primary:active{
  background-color: var(--brand) !important;
  color:#fff !important;
  border-color: transparent !important;
  filter: brightness(0.97);
}
button.btn.btn-primary:focus,
button.btn.btn-primary:focus-visible{
  background-color: var(--brand) !important;
  color:#fff !important;
  border-color: transparent !important;
  outline: none !important;
  box-shadow: 0 0 0 4px rgba(0,122,255,.18), 0 10px 20px rgba(0,122,255,.18) !important;
}