/* Base responsive estilo "RingoQuiz" (sin frameworks). */

:root{
  --bg0:#0b0f22;
  --bg1:#141a34;
  --glass: rgba(18, 22, 42, 0.78);
  --stroke: rgba(255,255,255,0.10);
  --text: rgba(245,246,255,0.92);
  --muted: rgba(245,246,255,0.62);
  --primary: #6f63ff;
  --primary2: #8c74ff;
  --danger: #ff5c7a;
  --shadow: 0 18px 60px rgba(0,0,0,0.45);
  --radius: 28px;

  --safeTop: env(safe-area-inset-top, 0px);
  --safeBottom: env(safe-area-inset-bottom, 0px);
  --safeLeft: env(safe-area-inset-left, 0px);
  --safeRight: env(safe-area-inset-right, 0px);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--text);
  background: radial-gradient(1200px 900px at 25% 20%, #2a2f5a 0%, var(--bg0) 55%, #070a15 100%);
  overflow-x:hidden;
}

.app{
  min-height:100%;
  position:relative;
  padding: calc(14px + var(--safeTop)) calc(14px + var(--safeRight)) calc(14px + var(--safeBottom)) calc(14px + var(--safeLeft));
}

.bg{
  position:absolute;
  inset:-180px -180px -180px -180px;
  background:
    radial-gradient(600px 520px at 15% 18%, rgba(115,106,255,0.35), rgba(115,106,255,0) 62%),
    radial-gradient(520px 520px at 70% 30%, rgba(255,92,122,0.22), rgba(255,92,122,0) 58%),
    radial-gradient(780px 620px at 40% 85%, rgba(120,220,255,0.16), rgba(120,220,255,0) 60%);
  filter: blur(18px);
  opacity: 0.95;
  pointer-events:none;
}

.topbar{
  position: sticky;
  top: 0;
  z-index: 5;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 8px 6px;
  margin: 0 auto 14px;
  max-width: 1100px;

  background: rgba(10, 13, 30, 0.35);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 18px;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding-left: 8px;
}
.brandDot{
  width:12px;height:12px;border-radius:999px;
  background: linear-gradient(135deg, var(--primary), var(--danger));
  box-shadow: 0 0 0 6px rgba(111,99,255,0.14);
}
.brandText{
  font-weight: 750;
  letter-spacing: 0.2px;
}

.iconBtn{
  appearance:none;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  border-radius: 999px;
  width: 46px;
  height: 46px;
  display:grid;
  place-items:center;
  cursor:pointer;
  user-select:none;
}
.iconBtn:active{ transform: translateY(1px); }
.icon{ font-size: 22px; line-height: 1; }

.shell{
  max-width: 1100px;
  margin: 0 auto;
  display:grid;
  grid-template-columns: 0.95fr 1.25fr;
  gap: 18px;
  align-items: stretch;
  min-height: calc(100vh - 110px);
}

.leftPane{
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(15,18,42,0.55), rgba(15,18,42,0.25));
  border: 1px solid rgba(255,255,255,0.07);
  box-shadow: var(--shadow);
  overflow:hidden;
  position:relative;
}

.leftPaneInner{
  height:100%;
  padding: 22px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap: 18px;
}

.appIcon{
  width: 92px;
  height: 92px;
  border-radius: 22px;
  overflow:hidden;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.06);
  box-shadow: 0 18px 50px rgba(0,0,0,0.35);
}
.appIcon img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.easter{
  position:absolute;
  left: 18px;
  bottom: 14px;
  display:flex;
  align-items:center;
  gap:10px;
  opacity: 0.75;
}
.easterMark{
  color: rgba(255,92,122,0.85);
  font-weight:800;
}
.easterDog{
  font-size: 20px;
}

.card{
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,0.10);
  box-shadow: var(--shadow);
  overflow:hidden;
  position:relative;
}

.cardInner{
  padding: 26px 26px 22px;
  display:flex;
  flex-direction:column;
  gap: 14px;
}

.title{
  margin: 0;
  font-size: clamp(26px, 3.2vw, 40px);
  letter-spacing: 0.2px;
}

.lead{
  margin: 0;
  color: var(--muted);
  line-height: 1.4;
  font-size: 16px;
}

.tip{
  display:flex;
  align-items:center;
  gap: 12px;
  padding: 14px 14px;
  border-radius: 18px;
  border: 1px solid rgba(111,99,255,0.22);
  background: rgba(111,99,255,0.10);
}
.tipBadge{
  font-weight: 800;
  color: rgba(207,202,255,0.95);
}
.tipText{
  color: rgba(245,246,255,0.72);
}

.primaryBtn{
  appearance:none;
  border: 0;
  border-radius: 22px;
  padding: 16px 18px;
  font-size: 18px;
  font-weight: 800;
  color: rgba(255,255,255,0.95);
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  cursor:pointer;
  box-shadow: 0 18px 50px rgba(111,99,255,0.28);
}
.primaryBtn:active{ transform: translateY(1px); }
.primaryBtn.small{ padding: 12px 16px; font-size: 16px; border-radius: 18px; }

.secondaryBtn{
  appearance:none;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 18px;
  padding: 12px 14px;
  font-size: 16px;
  font-weight: 750;
  color: rgba(255,255,255,0.92);
  background: rgba(255,255,255,0.06);
  cursor:pointer;
}
.secondaryBtn:active{ transform: translateY(1px); }

.divider{
  height:1px;
  background: rgba(255,255,255,0.10);
  margin: 6px 0;
}

.row{ display:flex; gap: 10px; flex-wrap: wrap; }

.links{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
}
.muted{ color: var(--muted); }

.linkPill{
  text-decoration:none;
  color: rgba(245,246,255,0.88);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  padding: 10px 12px;
  border-radius: 999px;
  font-weight: 700;
}
.linkPill:active{ transform: translateY(1px); }

.footerTag{
  margin-top: 6px;
  padding: 12px 14px;
  border-radius: 18px;
  text-align:center;
  color: rgba(207,202,255,0.95);
  background: rgba(111,99,255,0.12);
  border: 1px solid rgba(111,99,255,0.20);
  font-weight: 800;
}

.offlinePill{
  position:absolute;
  left: 18px;
  bottom: 16px;
  right: 18px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,92,122,0.35);
  background: rgba(255,92,122,0.14);
  color: rgba(255,255,255,0.90);
  font-weight: 750;
  text-align:center;
}

/* Modal */
.modal{
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 14px;
}
.modal[hidden]{ display:none; }
.modalBackdrop{
  position:absolute;
  inset:0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(6px);
}
.modalCard{
  position: relative;
  z-index: 1;
  background: rgba(18, 22, 42, 0.92);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 26px;
  box-shadow: var(--shadow);
  padding: 22px;
}
.closeBtn{
  position:absolute;
  top: 14px;
  right: 14px;
}
.modalTitle{
  margin: 0 0 6px;
  font-size: 24px;
}
.modalText{
  margin: 0;
  color: rgba(245,246,255,0.70);
  line-height: 1.5;
}
.modalActions{ margin-top: 18px; display:flex; justify-content:flex-end; }

/* Toast */
.toast{
  position: fixed;
  left: 50%;
  bottom: calc(14px + var(--safeBottom));
  transform: translateX(-50%);
  z-index: 10;

  background: rgba(18, 22, 42, 0.92);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px;
  padding: 12px 14px;
  box-shadow: var(--shadow);
  color: rgba(245,246,255,0.92);
  font-weight: 750;
}

/* Tablet/móvil */
@media (max-width: 900px){
  .shell{ grid-template-columns: 1fr; min-height: unset; }
  .leftPane{ display:none; }
  .cardInner{ padding: 22px 18px 18px; }
  .topbar{ margin-bottom: 12px; }
}