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rgba(0,0,0,.3)}.arkanoid-header-brick:first-child{background:#ff6b6b;border-color:rgba(255,255,255,.25)}.arkanoid-header-brick:nth-child(2){background:#ffd93d;border-color:rgba(255,255,255,.25)}.arkanoid-header-brick:nth-child(3){background:#6bcb77;border-color:rgba(255,255,255,.25)}.arkanoid-header-brick:nth-child(4){background:#4d96ff;border-color:rgba(255,255,255,.25)}.arkanoid-header-brick:nth-child(5){background:#9b59b6;border-color:rgba(255,255,255,.25)}.arkanoid-header-brick:nth-child(6){background:#e67e22;border-color:rgba(255,255,255,.25)}.arkanoid-header-brick:nth-child(7){background:#00e5ff;border-color:rgba(255,255,255,.25)}.arkanoid-header-brick:nth-child(8){background:#ff8f00;border-color:rgba(255,255,255,.25)}.arkanoid-header-title{font-family:var(--font-arcade);font-size:clamp(1.25rem,5vw,1.5rem);text-align:center;margin-bottom:8px;color:var(--accent);text-shadow:0 0 24px var(--glow);line-height:1.6;letter-spacing:.05em}.arkanoid-header-tagline{font-family:var(--font-ui);font-size:.85rem;color:var(--muted);margin-bottom:24px;letter-spacing:.06em;text-align:center}.menu{position:relative;width:100%;min-width:100%;flex:1 1;min-height:0;align-self:stretch;box-sizing:border-box}.menu,.menu-corner{display:flex;justify-content:center;align-items:center}.menu-corner{position:absolute;top:12px;width:44px;height:44px;padding:0;font-size:1.5rem;line-height:1;color:var(--text);background:var(--card);border:2px solid rgba(255,255,255,.12);border-radius:10px;cursor:pointer;transition:background .2s,box-shadow .2s;z-index:2}.menu-corner:hover{background:rgba(0,240,208,.12);box-shadow:0 0 16px var(--glow)}.menu-corner:active{transform:scale(.96)}.menu-corner--left{left:12px}.menu-corner--right{right:12px}.menu-content{display:flex;flex-direction:column;align-items:center;width:100%;max-width:420px;margin:0 auto;padding:max(32px,env(safe-area-inset-top,0px)) 20px 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var(--glow);margin:0;letter-spacing:.04em}.minesweeper-hint{font-size:.8rem;color:var(--muted);text-align:center;margin:0;line-height:1.4}.minesweeper-grid-wrap{padding:12px;background:var(--card);border:2px solid rgba(255,255,255,.08);border-radius:12px;box-shadow:0 4px 16px rgba(0,0,0,.3)}.minesweeper-cell{background:rgba(26,26,36,.9);border-radius:3px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:inherit;color:var(--muted);transition:background .15s}.minesweeper-cell:hover{background:rgba(40,40,52,.95)}.tab-bar{display:flex;align-items:stretch;justify-content:space-around;gap:4px;padding:8px 4px calc(8px + env(safe-area-inset-bottom));background:var(--bg-panel);border-top:2px solid rgba(255,255,255,.06);flex-shrink:0}.tab-bar-item{flex:1 1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:8px 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rgba(0,0,0,.3)}.ball-name{font-size:.75rem;font-weight:600;color:var(--text);text-align:center;line-height:1.2}.ball-option--locked{opacity:.9}.ball-option--premium{border-width:2px;transition:border-color .2s,box-shadow .2s}.ball-option--premium .ball-name{font-weight:700;letter-spacing:.02em;color:var(--text)}.ball-option--emerald{border-color:rgba(0,255,136,.85);box-shadow:0 0 22px rgba(0,255,136,.55),0 0 40px rgba(0,255,136,.25)}.ball-option--emerald.ball-option--active{border-color:#00ff88;box-shadow:0 0 28px rgba(0,255,136,.7),0 0 50px rgba(0,255,136,.35)}.ball-option--ruby{border-color:rgba(255,59,48,.85);box-shadow:0 0 22px rgba(255,59,48,.55),0 0 40px rgba(255,59,48,.25)}.ball-option--ruby.ball-option--active{border-color:#ff3b30;box-shadow:0 0 28px rgba(255,59,48,.7),0 0 50px rgba(255,59,48,.35)}.ball-option--golden{border-color:rgba(255,235,59,.6);box-shadow:0 0 20px rgba(255,235,59,.35)}.ball-option--golden.ball-option--active{border-color:#ffeb3b;box-shadow:0 0 24px rgba(255,235,59,.5)}.ball-mint-btn,.ball-select-btn{font-family:var(--font-ui);font-size:.7rem;font-weight:600;padding:6px 12px;border-radius:6px;border:none;cursor:pointer;width:100%;max-width:90px}.ball-mint-btn{background:var(--accent);color:var(--bg)}.ball-mint-btn:hover{box-shadow:0 0 12px var(--glow)}.ball-select-btn{background:var(--card);color:var(--accent);border:1px solid rgba(0,240,208,.4)}.ball-select-btn:hover:not(:disabled){background:rgba(0,240,208,.1)}.ball-select-btn:disabled{opacity:.7;cursor:default}.screen--profile .profile-content{display:flex;flex-direction:column;gap:24px;max-width:420px;margin:0 auto}.profile-user{flex-direction:column;padding:24px 20px;background:var(--card);border:2px solid rgba(255,255,255,.08);border-radius:12px;box-shadow:0 0 0 1px rgba(0,0,0,.2),0 4px 20px rgba(0,0,0,.2)}.profile-avatar,.profile-user{display:flex;align-items:center}.profile-avatar{width:64px;height:64px;border-radius:50%;background:var(--bg-panel);border:2px solid 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rgba(0,0,0,.15)}.profile-stat-value{font-family:var(--font-arcade);font-size:.85rem;color:var(--accent);line-height:1.4}.profile-stat-label{font-size:.7rem;color:var(--muted);margin-top:2px}.profile-section,.profile-section-collapsible,.profile-section-collapsible .profile-section-title{margin-bottom:0}.profile-section-head{display:flex;align-items:center;gap:10px;width:100%;padding:0 0 8px;background:none;border:none;cursor:pointer;color:inherit;font:inherit;text-align:left}.profile-section-head:hover{opacity:.9}.profile-section-head .profile-section-title{flex:1 1}.profile-section-state{font-size:.8rem;color:var(--muted)}.profile-section-state--inline{display:inline-block;margin-left:8px;margin-bottom:12px}.profile-section-chevron{font-size:.6rem;color:var(--accent)}.profile-achievement-groups{display:flex;flex-direction:column;gap:6px;margin-top:10px}.profile-achievement-group{border-radius:10px;border:1px solid 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