:root{--bg: #ffffff;--text: #111827;--muted: #6b7280;--card: #f3f4f6;--accent: #00449f;--btn-bg: #e5e7eb;--btn-bg-hover: #d1d5db;--btn-text: #111827;color-scheme:light}.dark{--bg: #0b1020;--text: #e5e7eb;--muted: #9ca3af;--card: #111827;--accent: #60a5fa;--btn-bg: #1f2937;--btn-bg-hover: #374151;--btn-text: #e5e7eb;color-scheme:dark}html,body{background:var(--bg);color:var(--text);transition:background-color .2s ease,color .2s ease}.icon{width:64px;vertical-align:top;border:1px solid salmon}button,button.btn{padding:12px 24px;font-size:18px;min-width:160px;min-height:48px;border-radius:8px}button{transition:transform .15s ease,box-shadow .15s ease}button:hover,button:focus{transform:scale(1.05);box-shadow:0 6px 14px #0000001f}button:active,button.pressed{transform:scale(.98);box-shadow:0 3px 8px #0000002e}.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.controls{display:flex;align-items:center;gap:12px;margin-top:12px}.counter{font-size:20px;min-width:40px;text-align:center;display:inline-block}.btn-label{margin-left:8px}#shop{display:flex;flex-direction:column;position:absolute;align-items:center;gap:1rem;margin-top:2rem;padding:0 1rem}.shop-item{position:relative;display:inline-block}.shop-item .tooltip{position:absolute;bottom:120%;left:50%;transform:translate(-50%);background:var(--card);color:var(--text);border:.5px solid var(--muted);border-radius:.5rem;padding:.4rem .6rem;font-size:.8rem;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .15s ease,transform .15s ease;z-index:1000}.shop-item:hover .tooltip{opacity:1;transform:translate(-50%) translateY(-2px)}#shop{overflow:visible}#themeToggle{position:fixed;bottom:1.5rem;right:1.5rem;padding:.6rem 1rem;border-radius:.6rem;background:var(--btn-bg);color:var(--btn-text);transition:background-color .2s ease}#themeToggle:hover{background:var(--btn-bg-hover)}