body{margin:0;overflow:hidden}.cc-app{min-height:100dvh;display:flex;flex-direction:column;background:var(--color-surface-page)}.cc-main{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:space-between;padding:calc(var(--space-16) + var(--space-2)) var(--space-4) var(--space-4);max-width:650px;margin:0 auto;width:100%;gap:var(--space-4);box-sizing:border-box}.cc-status{display:flex;align-items:center;justify-content:space-between;width:100%}.level-badge{display:inline-flex;align-items:center;gap:var(--space-2);font-family:var(--font-display);font-size:var(--text-sm);font-weight:700;color:var(--game-accent);background:var(--game-accent-subtle);border:1px solid var(--game-accent);border-radius:var(--radius-badge);padding:var(--space-1) var(--space-3)}.status-text{font-size:var(--text-sm);font-weight:600;color:var(--color-text-secondary)}.cc-grid-container{flex:1;width:100%;display:flex;align-items:center;justify-content:center;overflow:hidden}.cc-grid{display:grid;gap:6px;width:100%;max-height:55dvh;box-sizing:border-box}.grid-5x5{grid-template-columns:repeat(5,1fr);max-width:380px;aspect-ratio:1}.grid-8x8{grid-template-columns:repeat(8,1fr);max-width:480px;aspect-ratio:1}.grid-10x10{grid-template-columns:repeat(10,1fr);max-width:540px;aspect-ratio:1}.card-container{perspective:1000px;aspect-ratio:1;width:100%}.card-inner{position:relative;width:100%;height:100%;text-align:center;transform-style:preserve-3d;transition:transform .4s cubic-bezier(.175,.885,.32,1.275),opacity .3s ease,filter .3s ease;cursor:pointer;-webkit-tap-highlight-color:transparent}.card-inner.flipped{transform:rotateY(180deg)}.card-inner.matched{transform:rotateY(180deg) scale(.92);opacity:.55;filter:grayscale(40%);cursor:default}.card-front,.card-back{position:absolute;width:100%;height:100%;backface-visibility:hidden;border-radius:var(--radius-md);border:1px solid var(--color-border-subtle);display:flex;align-items:center;justify-content:center;box-sizing:border-box;overflow:hidden}.card-back{background:var(--color-surface-raised);color:var(--game-accent);font-family:var(--font-display);font-weight:900;box-shadow:0 2px 6px #00000026;font-size:var(--text-sm)}.card-container:hover .card-back{border-color:var(--game-accent);background:var(--color-surface-overlay)}.card-front{background:var(--color-surface-overlay);transform:rotateY(180deg);font-size:var(--text-base);-webkit-user-select:none;user-select:none}.grid-5x5 .card-front{font-size:var(--text-2xl)}.grid-8x8 .card-front{font-size:var(--text-lg)}.grid-10x10 .card-front{font-size:var(--text-sm)}.cc-selector{width:100%;background:var(--color-surface-raised);border:1px solid var(--color-border-subtle);border-radius:var(--radius-2xl);padding:var(--space-8);display:flex;flex-direction:column;align-items:center;gap:var(--space-5);text-align:center;box-sizing:border-box}.cc-selector__emoji{font-size:64px;line-height:1}.cc-selector__title{font-family:var(--font-display);font-size:var(--text-4xl);font-weight:900;letter-spacing:-.03em}.cc-selector__desc{color:var(--color-text-secondary);font-size:var(--text-base);max-width:30ch;line-height:1.6}.cc-selector__choices{display:flex;flex-direction:column;gap:var(--space-3);width:100%;max-width:280px}.stats-container{width:100%;display:flex;flex-direction:column;gap:var(--space-4)}.stats-panel{background:var(--color-surface-raised);border:1px solid var(--color-border-subtle);border-radius:var(--radius-xl);padding:var(--space-4) var(--space-5);width:100%}.stats-panel__title{font-family:var(--font-display);font-size:var(--text-xs);font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-tertiary);margin-bottom:var(--space-3)}.stats-row{display:flex;justify-content:space-around;align-items:center}.stat-item{display:flex;flex-direction:column;align-items:center;gap:2px}.stat-item__value{font-family:var(--font-display);font-size:var(--text-lg);font-weight:800;color:var(--color-text-primary)}.stat-item__value--accent{color:var(--game-accent)}.stat-item__label{font-size:10px;color:var(--color-text-tertiary);text-transform:uppercase;letter-spacing:.05em;font-weight:600}.stats-empty{display:flex;flex-direction:column;align-items:center;text-align:center;padding:var(--space-4) 0}.stats-empty__icon{color:var(--color-text-tertiary);margin-bottom:var(--space-2)}.stats-empty__title{font-size:var(--text-sm);font-weight:700;color:var(--color-text-secondary)}.stats-empty__body{font-size:var(--text-xs);color:var(--color-text-tertiary);margin-bottom:var(--space-3)}.leaderboard-row{display:flex;align-items:center;padding:var(--space-2) 0;border-bottom:1px solid var(--color-border-subtle);font-size:var(--text-sm)}.leaderboard-row:last-child{border-bottom:none}.leaderboard-row--me{font-weight:700;color:var(--game-accent)}.leaderboard-rank{width:24px;color:var(--color-text-tertiary);font-weight:800}.leaderboard-avatar{width:24px;height:24px;border-radius:50%;background:var(--color-surface-overlay);display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;margin-right:var(--space-3)}.leaderboard-name{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.leaderboard-score{font-weight:700;margin-right:var(--space-3)}.leaderboard-streak{font-size:var(--text-xs);color:var(--color-status-warning)}.gameover-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:var(--z-modal);padding:var(--space-4);box-sizing:border-box}.gameover-card{background:var(--color-surface-raised);border:1px solid var(--color-border-subtle);border-radius:var(--radius-2xl);padding:var(--space-8);width:min(400px,100%);display:flex;flex-direction:column;align-items:center;gap:var(--space-5);text-align:center;box-sizing:border-box}.gameover-card__title{font-family:var(--font-display);font-size:var(--text-3xl);font-weight:900;letter-spacing:-.02em}.gameover-card__level{display:flex;flex-direction:column;align-items:center;gap:var(--space-1)}.gameover-card__level-value{font-family:var(--font-display);font-size:var(--text-4xl);font-weight:900;color:var(--game-accent)}.gameover-card__level-label{font-size:var(--text-sm);color:var(--color-text-tertiary);text-transform:uppercase;letter-spacing:.08em;font-weight:600}.gameover-card__actions{display:flex;gap:var(--space-3);flex-wrap:wrap;justify-content:center;width:100%}.gameover-card__actions button{flex:1 1 120px}