body{
  background:linear-gradient(180deg,#dfeaf3 0%,#dbe8f1 100%);
  font-family:Montserrat,system-ui,Arial,sans-serif;
  color:#12324d;
}
.room-shell{max-width:1280px;margin:22px auto 60px;padding:0 18px}
.room-top{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(250px,.75fr);
  gap:20px;
  align-items:center;
  padding:34px 38px;
  border-radius:30px 30px 0 0;
  background:linear-gradient(95deg,rgba(255,255,255,.94),rgba(228,242,250,.90)),url('playa.svg') center top/cover no-repeat;
  overflow:hidden;
  box-shadow:0 18px 42px rgba(21,58,92,.08);
}
.room-top::after{content:"";position:absolute;inset:auto -80px -90px auto;width:320px;height:320px;border-radius:50%;background:rgba(159,210,239,.25)}
.room-copy{position:relative;z-index:1}
.room-copy .kicker{margin:0 0 10px;font-size:.82rem;letter-spacing:.16em;font-weight:900;color:#0074bf}
.room-copy h1{margin:0;font-size:clamp(2.35rem,5vw,4.35rem);line-height:.98;letter-spacing:-.05em;color:#003b7a}
.room-subtitle{margin:12px 0 8px;font-size:clamp(1.15rem,2vw,1.8rem);font-weight:700;color:#4c6a82}
.room-description{max-width:720px;margin:0;font-size:1rem;line-height:1.55;color:#45647c}
.room-visual{position:relative;z-index:1;display:flex;justify-content:flex-end}
.mascot-card{width:min(100%,330px);background:linear-gradient(145deg,rgba(255,255,255,.88),rgba(213,235,249,.94));border:1px solid rgba(255,255,255,.95);border-radius:28px;padding:12px;box-shadow:0 18px 28px rgba(18,57,88,.10)}
.mascot-art{display:block;width:100%;height:auto;border-radius:20px}
.game-room{
  position:relative;
  padding:18px 18px 20px;
  background:linear-gradient(180deg,rgba(226,241,249,.88) 0%,rgba(238,248,252,.72) 44%,rgba(245,238,221,.80) 45%,rgba(245,238,221,.88) 100%),url('playa.svg') center center/cover no-repeat;
  border-radius:0 0 30px 30px;
  box-shadow:0 18px 42px rgba(21,58,92,.10);
}
.games-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.game-tile{
  position:relative;display:flex;flex-direction:column;min-height:205px;padding:18px 18px 18px;border-radius:22px;
  background:rgba(255,255,255,.90);border:1px solid rgba(255,255,255,.98);box-shadow:0 10px 24px rgba(24,61,91,.10);
  backdrop-filter:blur(3px);overflow:hidden;transition:transform .18s ease, box-shadow .18s ease;
}
.game-tile::before{content:"";position:absolute;right:-26px;bottom:-28px;width:110px;height:110px;border-radius:50%;background:rgba(140,211,246,.16)}
.game-tile:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(24,61,91,.16)}
.tile-icon-wrap{display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:16px;background:linear-gradient(145deg,#e9f5fd,#d7ebf7);box-shadow:inset 0 0 0 1px rgba(151,201,229,.8);margin-bottom:14px;position:relative;z-index:1}
.tile-icon{display:block;width:28px;height:28px}
.game-tile h2{position:relative;z-index:1;margin:0 0 8px;font-size:1.22rem;line-height:1.18;color:#003b7a}
.game-tile p{position:relative;z-index:1;margin:0 0 16px;font-size:.90rem;line-height:1.45;color:#526d80;flex:1}
.tile-play{position:relative;z-index:1;cursor:pointer;display:flex;justify-content:space-between;gap:8px;align-items:center;border:0;background:linear-gradient(135deg,#1380e5,#006fd6);color:white;border-radius:12px;padding:12px 14px;font-size:.92rem;font-weight:800;font-family:inherit;box-shadow:0 8px 16px rgba(0,111,214,.22)}
.tile-play:hover{background:linear-gradient(135deg,#0e70cb,#005fb8)}
.game-tile.already-played .tile-play{background:linear-gradient(135deg,#0f5fab,#09508f)}
.challenge-card{margin-top:18px}
.challenge-card[hidden],.completed-card[hidden],.game-room[hidden]{display:none!important}
.game-navigation{margin-bottom:15px}.extra-controls{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:16px}.completed-card{margin:20px auto!important}.status-line{max-width:700px;margin:12px auto}.sitebar{min-height:70px}
@media(max-width:1080px){.games-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:860px){.room-top{grid-template-columns:1fr;padding:24px 22px}.room-visual{justify-content:flex-start}.mascot-card{max-width:240px}.games-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:520px){.room-shell{padding:0 8px}.room-top{padding:18px 16px;border-radius:22px 22px 0 0}.room-copy .kicker{font-size:.72rem}.room-subtitle{font-size:1rem}.room-description{font-size:.92rem}.game-room{padding:12px 10px 14px;border-radius:0 0 22px 22px}.games-grid{grid-template-columns:1fr;gap:10px}.game-tile{min-height:190px;padding:16px}.mascot-card{max-width:210px}}
.ending-actions{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:20px}.ending-actions .tile-play{min-height:43px}.ending-home{display:inline-flex!important;align-items:center;min-height:43px;border:1px solid #b8d1e6;border-radius:9px;padding:9px 13px!important;margin:0!important;background:#fff!important;color:#003b7a!important;font-size:.84rem;text-decoration:none}.ending-home:hover{background:#ecf6ff!important}