/* Sapientia — tema escolar moderno v1 */
:root{
  --school-blue:#2563eb;
  --school-blue-dark:#1e40af;
  --school-cyan:#06b6d4;
  --school-green:#10b981;
  --school-yellow:#f59e0b;
  --school-pink:#ec4899;
  --school-purple:#8b5cf6;
  --school-red:#ef4444;
  --school-ink:#1f2937;
  --school-muted:#6b7280;
  --school-paper:#f8fafc;
  --school-line:#dbeafe;
  --school-card:#ffffff;
  --school-shadow:0 14px 35px rgba(37,99,235,.10);
}

html{scroll-behavior:smooth}
body{
  background:
    linear-gradient(rgba(37,99,235,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(37,99,235,.035) 1px,transparent 1px),
    linear-gradient(180deg,#f8fbff 0%,#f6f8fb 100%);
  background-size:28px 28px,28px 28px,auto;
  color:var(--school-ink);
}

header{
  position:relative;
  overflow:hidden;
  background:linear-gradient(120deg,#1d4ed8 0%,#2563eb 45%,#06b6d4 100%);
  padding:34px 18px 38px;
  box-shadow:0 10px 28px rgba(30,64,175,.20);
}
header::before,header::after{
  content:"";
  position:absolute;
  border-radius:50%;
  background:rgba(255,255,255,.10);
}
header::before{width:240px;height:240px;right:-70px;top:-110px}
header::after{width:130px;height:130px;left:7%;bottom:-70px}
header .wrap{position:relative;z-index:1}
header h1{
  font-size:clamp(26px,4vw,42px);
  letter-spacing:-.02em;
  font-weight:850;
  text-shadow:0 2px 10px rgba(0,0,0,.12);
}
header p{
  margin-top:8px;
  color:#eaf6ff;
  font-size:15px;
  max-width:760px;
}

nav{
  top:0;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(148,163,184,.25);
  box-shadow:0 8px 22px rgba(15,23,42,.06);
}
.navin{padding:12px 18px;gap:10px}

button,select{border-radius:12px}
button{
  transition:.18s ease;
  box-shadow:0 4px 10px rgba(37,99,235,.12);
}
button:hover:not(:disabled){transform:translateY(-1px);filter:saturate(1.05)}
button.secondary{
  background:#eff6ff;
  color:#1d4ed8;
  border:1px solid #bfdbfe;
  box-shadow:none;
}
button.danger{
  background:#fff1f2;
  color:#be123c;
  border:1px solid #fecdd3;
  box-shadow:none;
}

main{padding-top:26px}

#home>.card:first-child{
  position:relative;
  overflow:hidden;
  border:none;
  background:linear-gradient(135deg,#ffffff 0%,#f0f9ff 100%);
  box-shadow:var(--school-shadow);
  padding:22px 24px;
}
#home>.card:first-child::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:6px;
  background:linear-gradient(#2563eb,#06b6d4);
}
#home>.card:first-child h2{
  color:#1e3a8a;
  font-size:22px;
}
#home>.card:first-child p{max-width:900px}

.grid{gap:16px}
.card{
  border:1px solid #e2e8f0;
  border-radius:18px;
  box-shadow:0 10px 24px rgba(15,23,42,.06);
}

.theme{
  position:relative;
  min-height:180px;
  padding:22px 20px 20px;
  overflow:hidden;
  border:1px solid rgba(148,163,184,.22);
  background:#fff;
}
.theme::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:7px;
  background:var(--theme-color,#2563eb);
}
.theme::after{
  content:"";
  position:absolute;
  width:90px;height:90px;
  border-radius:50%;
  right:-34px;bottom:-36px;
  background:color-mix(in srgb,var(--theme-color,#2563eb) 12%,transparent);
}
.theme:hover{
  transform:translateY(-5px);
  border-color:color-mix(in srgb,var(--theme-color,#2563eb) 35%,#dbeafe);
  box-shadow:0 16px 30px color-mix(in srgb,var(--theme-color,#2563eb) 14%,transparent);
}
.theme:nth-child(1){--theme-color:#2563eb}
.theme:nth-child(2){--theme-color:#10b981}
.theme:nth-child(3){--theme-color:#f59e0b}
.theme:nth-child(4){--theme-color:#8b5cf6}
.theme:nth-child(5){--theme-color:#ec4899}
.theme:nth-child(6){--theme-color:#06b6d4}
.theme:nth-child(7){--theme-color:#ef4444}
.theme:nth-child(8){--theme-color:#14b8a6}
.theme h3{
  margin-top:14px;
  color:#0f172a;
  font-size:18px;
  line-height:1.28;
}
.theme small{display:block;min-height:40px;color:#64748b}
.theme p{margin-bottom:0;color:#475569}
.theme .pill{
  background:color-mix(in srgb,var(--theme-color,#2563eb) 12%,#fff);
  color:color-mix(in srgb,var(--theme-color,#2563eb) 82%,#111827);
  border:1px solid color-mix(in srgb,var(--theme-color,#2563eb) 22%,#fff);
}

.toolbar{
  background:#fff;
  padding:12px 14px;
  border:1px solid #e2e8f0;
  border-radius:16px;
  box-shadow:0 8px 20px rgba(15,23,42,.05);
}
select{
  border:1px solid #cbd5e1;
  color:#1f2937;
  min-width:145px;
  font-weight:650;
}

#quiz>.card,
#result>.card,
#stats>.card{
  border:none;
  box-shadow:0 18px 40px rgba(15,23,42,.09);
  padding:24px;
}
.meta{
  padding:10px 12px;
  margin:-4px 0 14px;
  background:#f8fafc;
  border-radius:12px;
  color:#475569;
  font-weight:650;
}
.progress{
  height:10px;
  background:#e2e8f0;
  box-shadow:inset 0 1px 2px rgba(15,23,42,.05);
}
.bar{background:linear-gradient(90deg,#2563eb,#06b6d4)}
.question{
  font-size:clamp(20px,2.2vw,25px);
  line-height:1.45;
  color:#0f172a;
  padding:4px 0 6px;
}
.options{gap:12px}
.option{
  border:1px solid #dbe3ee;
  border-radius:14px;
  padding:13px 15px;
  box-shadow:0 3px 10px rgba(15,23,42,.025);
}
.option:hover:not(:disabled){
  background:#eff6ff;
  border-color:#93c5fd;
  transform:translateX(2px);
}
.option .letter{
  width:32px;height:32px;
  background:#e0ecff;
  color:#1d4ed8;
}
.option.correct{
  background:#ecfdf5;
  border-color:#86efac;
  color:#166534;
}
.option.correct .letter{background:#bbf7d0;color:#166534}
.option.wrong{
  background:#fff1f2;
  border-color:#fda4af;
  color:#9f1239;
}
.option.wrong .letter{background:#fecdd3;color:#9f1239}

.feedback{
  border-radius:14px;
  padding:16px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.35);
}
.feedback strong{font-size:16px}
.note{
  color:#64748b;
  line-height:1.5;
}

.actions{
  padding-top:16px;
  border-top:1px dashed #d8e0ea;
}

.score{
  color:#1d4ed8;
  letter-spacing:-.03em;
}
.stat{
  border:1px solid #e2e8f0;
  background:linear-gradient(180deg,#fff,#f8fafc);
  box-shadow:0 5px 14px rgba(15,23,42,.04);
}

#stats table{
  overflow:hidden;
  border-radius:12px;
  background:#fff;
}
th{
  color:#1e3a8a;
  background:#eff6ff;
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:.035em;
}
td{color:#334155}

footer{
  margin-top:8px;
  padding-top:18px;
  border-top:1px solid #e2e8f0;
  color:#64748b;
}

@media (max-width:720px){
  header{padding:28px 16px 32px}
  .navin{display:grid;grid-template-columns:1fr 1fr}
  .navin .danger{grid-column:1/-1}
  .navin button{width:100%}
  main{padding-left:12px;padding-right:12px}
  .theme{min-height:auto}
  #quiz>.card,#result>.card,#stats>.card{padding:18px}
  .meta{display:grid;grid-template-columns:1fr 1fr}
  .meta span:first-child{grid-column:1/-1}
  .actions{flex-direction:column}
  .actions button{width:100%}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;scroll-behavior:auto!important}
}