.game-library { max-width: 1120px; }
.game-difficulty.experience-shell { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 10px; padding-bottom: 22px; margin-bottom: 0; }
.difficulty-caption p { font-size: 11px; color: #9aaf9d; line-height: 1.7; margin-top: 8px; }
.difficulty-options { display: flex; border: 1px solid #c5d7b52e; border-radius: 14px; padding: 4px; gap: 4px; }
.difficulty-options button { background: transparent; color: #aabca8; border-radius: 10px; padding: 10px 18px; min-width: 86px; }
.difficulty-options button strong, .difficulty-options button small { display: block; font-weight: 400; }
.difficulty-options button strong { font-size: 13px; }
.difficulty-options button small { font-size: 9px; margin-top: 5px; opacity: .7; }
.difficulty-options button[aria-pressed="true"] { background: #d4e4ab; color: #203d30; }
.difficulty-options button:focus-visible { outline: 2px solid #e8edc2; outline-offset: 3px; }
.game-difficulty + .experience-shell { padding-top: 12px; }
.game-library-meta { display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid #c5d7b51f; margin: 6px 0 23px; padding: 14px 0; gap: 12px; font-size: 11px; color: #9aaf9d; }
.game-library-meta > span:last-child { font-size: 8px; letter-spacing: 2px; color: #6f8b7a; }
.game-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 25px; }
.game-card { display: block; overflow: hidden; border: 1px solid #a4c09226; border-radius: 20px; background: #b5c69e04; transition: border-color .2s, transform .25s, background .2s; }
.game-card:hover { border-color: #c3d7a85e; transform: translateY(-4px); background: #b5c69e09; }
.game-card-picture { position: relative; background: radial-gradient(ellipse at 50% 40%, #718e6040, #577a5420 58%, #23473715); overflow: hidden; }
.game-card-hoops .game-card-picture { background: radial-gradient(ellipse at 50% 40%, #ad936044, #71664824 60%, #5e594418); }
.game-card-memory .game-card-picture { background: radial-gradient(ellipse at 50% 40%, #818b5a40, #5b714428 60%, #344c2e18); }
.game-card-target .game-card-picture { background: radial-gradient(ellipse at 50% 40%, #ab987644, #756a4c24 60%, #5b584018); }
.game-card-art { display: block; width: 100%; height: auto; }
.game-card-number { position: absolute; top: 20px; left: 22px; font: 12px Georgia,serif; color: #d8dec281; }
.game-card-badge { position: absolute; top: 17px; right: 16px; border: 1px solid #d6debe24; border-radius: 30px; padding: 5px 9px; font-size: 9px; color: #c4d1b0; }
.game-card-copy { padding: 22px 24px 24px; }
.game-card-english { color: #8fa47b; font-size: 8px; letter-spacing: 2px; margin-bottom: 12px; }
.game-card-title { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.game-card-title h2 { font-size: 21px; font-weight: 450; letter-spacing: 2px; }
.game-card-title > span { font-size: 23px; color: #ccdcaf; }
.game-card-description { color: #9dad99; font-size: 11px; line-height: 1.8; margin-top: 11px; }
.game-card-kind { display: inline-block; font-size: 9px; letter-spacing: .7px; color: #8b9f83; padding-top: 21px; }
.game-library-note { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 24px; text-align: center; }
.game-note-leaf svg { width: 49px; color: #829a73; margin-bottom: 14px; }
.game-library-note p { font-family: "Songti SC","STSong",serif; color: #b6c4a7; font-size: 19px; line-height: 1.9; letter-spacing: 1px; }
.game-library-note a { font-size: 10px; color: #8faaa0; margin-top: 25px; text-decoration: underline; text-underline-offset: 5px; text-decoration-color: #8faaa044; }
.memory-experience { max-width: 760px; }
.memory-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; color: #b3c89e; font-size: 12px; }
.memory-table { position: relative; padding: 24px; background: #243c3155; overflow: hidden; }
.memory-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.memory-card { position: relative; aspect-ratio: 1/.92; border-radius: 12px; border: 1px solid #a6c49436; background: #365c48; color: #b8cd9c; transition: background .25s, transform .2s, opacity .3s; }
.memory-card:not(:disabled):hover { transform: translateY(-3px); background: #436952; }
.memory-back { position: absolute; inset: 10px; display: grid; place-items: center; font-size: 36px; border: 1px solid #b9caa821; border-radius: 8px; }
.memory-face { display: none; align-items: center; flex-direction: column; justify-content: center; gap: 7px; }
.memory-face svg { width: 55px; height: 55px; }
.memory-face small { font-size: 10px; letter-spacing: 2px; }
.memory-card.is-open { color: #4f6b43; background: #d9dfb8; opacity: 1; transform: none; border-color: #d9dfb8; }
.memory-card.is-open .memory-back { display: none; }
.memory-card.is-open .memory-face { display: flex; }
.memory-card.is-matched { opacity: .48; }
.memory-curtain { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; gap: 25px; background: #183025f2; backdrop-filter: blur(7px); padding: 22px; }
.memory-message { text-align: center; margin: 22px 0; min-height: 24px; }
.memory-actions { justify-content: center; }
.memory-experience[data-difficulty="hard"] .memory-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; }
.memory-experience[data-difficulty="hard"] .memory-face svg { width: 40px; height: 40px; }
.memory-experience[data-difficulty="hard"] .memory-card { aspect-ratio: 1 / 1.12; }
@media(max-width: 900px) { .game-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; } }
@media(max-width: 560px) {
  .game-difficulty.experience-shell { flex-direction: column; align-items: stretch; gap: 12px; }
  .difficulty-options button { flex: 1; min-width: 0; padding: 9px 8px; }
  .game-grid { grid-template-columns: 1fr; gap: 22px; }
  .game-library-meta > span:last-child { display: none; }
  .game-card-art { max-height: 200px; }
  .game-card-copy { padding: 20px 24px; }
  .game-card-kind { padding-top: 16px; }
  .game-library-note { padding: 15px 24px 26px; }
  .memory-table { padding: 12px; border-radius: 18px; }
  .memory-grid { gap: 9px; grid-template-columns: repeat(3, 1fr); }
  .memory-card { aspect-ratio: 1; }
  .memory-face svg { width: 42px; height: 42px; }
  .memory-back { inset: 7px; }
  .memory-experience[data-difficulty="standard"] .memory-grid,
  .memory-experience[data-difficulty="hard"] .memory-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 7px; }
  .memory-experience:not([data-difficulty="easy"]) .memory-face svg { width: 31px; height: 31px; }
  .memory-experience:not([data-difficulty="easy"]) .memory-face { gap: 3px; }
  .memory-experience:not([data-difficulty="easy"]) .memory-face small { font-size: 9px; letter-spacing: 0; }
}