:root {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #f4f4fc; background: #0d101d;
  font-synthesis: none;
}
* { box-sizing: border-box }
[hidden] { display: none!important }
html { -webkit-text-size-adjust: 100% }
body {
  margin: 0; min-height: 100dvh;
  background: radial-gradient(ellipse at 50% -18%, rgba(107,86,218,.28), transparent 58%),
    radial-gradient(ellipse at 102% 70%, rgba(52,171,195,.10), transparent 50%), #0d101d;
  overscroll-behavior-y: none;
}
button,a { -webkit-tap-highlight-color: transparent }
button { font: inherit; cursor: pointer }
button:focus-visible,a:focus-visible { outline: 3px solid #baaaff; outline-offset: 3px }
.memory-app { width: min(100%, 525px); margin: 0 auto; padding: 14px 20px max(18px,env(safe-area-inset-bottom)) }
.topbar { height: 44px; display: flex; gap: 12px; align-items: center }
.back { color: #eceafa; background: #23263a; border: 1px solid #404258; text-decoration: none;
  width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; font-size: 24px }
.brand { display: flex; align-items: center; gap: 9px; font-size: 12px; font-weight: 900; letter-spacing: .10em }
.brand-mark { color: #cdbbff }
.brand-divider { height: 15px; width: 1px; background: #5b5971 }
.prototype { margin-left: auto; border: 1px solid #5a526f; color: #bcb1dc; font-size: 9px;
  font-weight: 900; border-radius: 99px; letter-spacing: .12em; padding: 7px 9px }
.hero { margin: 19px 0 15px; text-align: center; min-height: 117px }
.eyebrow { color: #bdaafb; font-size: 11px; font-weight: 850; letter-spacing: .14em }
.pack-name { display:inline-block; margin-left:9px; padding:3px 9px; border-radius:999px;
  border:1px solid #5c5a8b; color:#ece1ff; background:rgba(140,114,208,.16); font-size:10px;
  letter-spacing:.02em; white-space:nowrap; vertical-align:middle }
h1 { margin: 5px 0 7px; font-size: clamp(23px, 5.8vw, 31px); letter-spacing: -.045em; line-height: 1.1 }
.hero p { color: #b9bbd2; font-size: 13px; line-height: 1.45; max-width: 415px; margin: auto }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 7px; margin-bottom: 16px }
.stats div { min-width: 0; background: #1b2032; border: 1px solid #323954; border-radius: 13px;
  text-align: center; padding: 8px 3px 9px }
.stats small { display: block; color: #abb1c9; font-size: 9px; letter-spacing: .06em; font-weight: 700 }
.stats strong { display: block; margin-top: 4px; font-size: 17px; font-variant-numeric: tabular-nums }
.board-area { display: flex; align-items: center; flex-direction: column }
.board {
  width: min(100%, 455px, calc(100dvh - 337px)); aspect-ratio: 1;
  min-width: min(100%, 220px);
  padding: 8px; display: grid; grid-template-columns: repeat(4, minmax(0,1fr));
  grid-template-rows: repeat(4, minmax(0,1fr)); gap: clamp(5px,1.4vw,9px);
  background: #191d30; border: 1px solid #46415e; border-radius: 22px;
  box-shadow: 0 20px 55px rgba(0,0,0,.3), 0 0 0 6px rgba(128,109,202,.04);
}
.memory-card { position: relative; min-width: 0; min-height: 0; padding: 0; border: 0;
  border-radius: 13px; background: transparent; perspective: 650px; touch-action: manipulation }
.memory-card:disabled { cursor: default }
.memory-card .card-rotator { display: block; position: absolute; inset: 0;
  transform-style: preserve-3d; transition: transform .43s cubic-bezier(.24,.75,.18,1) }
.memory-card.is-faceup .card-rotator { transform: rotateY(180deg) }
.card-face { position: absolute; inset: 0; border-radius: 12px; display: grid; place-items: center;
  overflow: hidden; backface-visibility: hidden; -webkit-backface-visibility: hidden }
.card-back { background: linear-gradient(145deg,#6055a9,#3e3976 75%);
  border: 1px solid #8170c8; box-shadow: inset 0 1px 0 rgba(255,255,255,.16), 0 4px 8px rgba(0,0,0,.18) }
.card-back::before { content:""; position: absolute; inset: 6px; border-radius: 8px; border: 1px solid rgba(242,229,255,.2) }
.card-back svg { width: 28%; max-width: 26px; fill:none; stroke:#e7dfff; stroke-width:1.8; opacity:.84 }
.card-front { transform: rotateY(180deg);
  background: linear-gradient(145deg,#fcfaff,#e9e8f5);
  border: 1px solid #fff;
  box-shadow: inset 0 -3px 0 rgba(56,38,99,.05),0 4px 9px rgba(0,0,0,.11) }
.card-front svg { width: 66%; height: 66%; overflow: visible; color: var(--symbol-color);
  stroke: currentColor; stroke-width: 3; stroke-linejoin: round; stroke-linecap: round; fill: none;
  filter: drop-shadow(0 2px 0 rgba(20,20,30,.06)) }
.memory-card.is-matched .card-front {
  background: linear-gradient(145deg, #fffefc, #e8fff6);
  border-color: #a9f0ce;
  box-shadow: inset 0 0 0 2px rgba(55,181,130,.24), 0 0 13px rgba(77,224,164,.18)
}
.memory-card.is-matched { animation: matched-pop .43s ease-out }
@keyframes matched-pop { 50% { scale: 1.045 } }
.board-caption { min-height: 35px; margin: 9px 0 0; color: #b8bfd3; text-align: center;
  font-size: 12px; line-height: 1.4 }
.actions { display: flex; flex-direction: column; gap: 7px; align-items: stretch; margin: 0 auto; max-width: 455px }
.primary { border: 0; border-radius: 13px; min-height: 53px; padding: 10px 16px;
  color: #140b28; font-size: 15px; font-weight: 850;
  background: linear-gradient(105deg, #c4aaff, #e1cbff);
  box-shadow: 0 5px 0 #7f68bd; display: flex; justify-content: center; align-items: center; gap: 10px }
.primary span { font-size: 22px; line-height: 1 }
.primary:active { transform: translateY(3px); box-shadow: 0 2px 0 #7f68bd }
.secondary { min-height: 35px; border: 0; background: transparent; color: #979ebd; font-size: 12px }
.secondary:hover,.finish-back:hover { color: white }
.footnote { font-size: 10px; color: #767f9f; text-align: center; line-height: 1.4; margin: 11px 0 0 }
.finish[hidden] { display: none }
.finish { position: fixed; z-index: 20; inset: 0; background: rgba(5,7,17,.81);
  backdrop-filter: blur(9px); display: flex; justify-content: center; align-items: center;
  padding: 16px; overflow: auto }
.finish-panel { width: min(100%,440px); padding: 28px 20px 22px;
  background: radial-gradient(ellipse at 50% -12%,#3c315f,#1c2136 68%);
  border: 1px solid #8874ad; border-radius: 25px;
  box-shadow: 0 24px 70px rgba(0,0,0,.45); text-align: center; animation: finish-enter .45s ease-out }
@keyframes finish-enter { from { opacity:0; transform: translateY(15px) scale(.97) } to { opacity:1; transform:none } }
.finish-spark { margin: 0 auto 9px; width: 67px; height: 67px; background: #3a315e; color: #f5cb77;
  border-radius: 22px; display: grid; place-items: center; font-size: 44px; box-shadow: 0 0 30px #9d76d844 }
.finish-eyebrow { font-size: 10px; color: #cbb5fb; letter-spacing: .17em; font-weight: 850; margin: 0 }
.finish h2 { margin: 9px 0; font-size: 26px; letter-spacing: -.04em }
.finish-copy { color:#c1c4dc; font-size: 13px; line-height:1.4 }
.finish-numbers { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:6px; margin:20px 0 22px }
.finish-numbers div { padding:12px 4px; background:#282b42; border:1px solid #42435e; border-radius:12px }
.finish-numbers strong,.finish-numbers small { display:block }
.finish-numbers strong { font-size:21px; font-variant-numeric:tabular-nums }
.finish-numbers small { font-size:10px; color:#b7b8d0; margin-top:5px }
.finish-panel .primary { width:100% }
.finish-back { display:inline-block; margin-top:17px; color:#acb0ca; font-size:13px; text-decoration:none }
@media(max-width:375px) {
  .memory-app { padding:7px 12px 12px }
  .hero { margin:10px 0; min-height:102px }
  .hero p { font-size:12px }
  .stats { margin-bottom:8px }
  .board { width:min(100%,calc(100dvh - 286px)); padding:6px; gap:5px; border-radius:16px }
  .card-face { border-radius:9px }
  .board-caption { margin-top:6px; min-height:30px }
  .footnote { margin-top:6px }
}
@media(max-height:620px) {
  .memory-app { padding-top:4px }
  .hero { min-height:0; margin:8px 0 }
  .hero p { line-height:1.25 }
  .board { width:min(100%,calc(100dvh - 262px)); min-width:0 }
  .stats { margin-bottom:7px }
  .board-caption { min-height:26px }
  .secondary { min-height:28px }
}
@media(prefers-reduced-motion:reduce) {
  *,*::before,*::after { animation-duration:.01ms!important; transition-duration:.01ms!important }
}

/* Official Daily/Training controls and compact, accessible result screen. */
.load-error{max-width:455px;margin:10px auto;padding:12px;border:1px solid #ba6372;border-radius:12px;background:#3b2434;color:#ffdae0;font-size:13px}
.finish-panel .primary{text-decoration:none}
.finish-panel .completion-progress{margin:8px 0;color:#d7d2f6;font-size:13px}
.finish-panel .completion-eyebrow{display:block;color:#c7adfd;margin:7px 0;font-size:11px;font-weight:800}
.finish-panel .completion-reward-summary{margin:12px 0;text-align:left}
.finish-panel .completion-share{display:block;width:100%;min-height:38px;padding:8px;background:#34304f;color:#f4e9ff;border:1px solid #635c91;border-radius:11px}
.finish-panel .completion-rewards-link{display:inline-block;margin-top:13px;color:#c2b1ff;font-size:12px}
.finish-panel .score-rows,.finish-panel .score-header{color:#f5ecff}
.finish-panel .score-kicker,.finish-panel .score-row-label{color:#c7bde4}
.finish-panel .score-track{background:#51446b}
.finish-panel .score-fill{background:#b5a0ff}
.finish-panel .memory-insight{font-size:12px;color:#f1dbad;margin:10px 0;line-height:1.45}
.finish-panel #replay{display:block;width:100%;margin-top:9px;color:#c5b9e7}
.finish-panel #backToSet{margin-top:14px}
@media (max-height:680px) and (max-width:767px){
  .hero{margin:8px 0;min-height:0}
  .stats{margin-bottom:8px}
  .board{width:min(100%, calc(100dvh - 301px)); min-width:0}
  .board-caption{min-height:26px;margin:6px 0}
  .actions{gap:2px}
  .footnote{font-size:9px;margin:5px 0}
}