@import url(https://fonts.googleapis.com/css2?family=Bungee&display=swap);:root{--color-1:#E27D60;--color-2:#85DCBA;--color-3:#E8A87C;--color-4:#C38D9E;--color-5:#41B3A3;--color-6:#E9C46A;--color-7:#F4A261;--color-8:#E76F51;--color-9:#D4A373;--color-10:#FAEDCB;--color-11:#A8DADC;--color-12:#457B9D;--color-13:#1D3557;--color-14:#2A9D8F;--color-15:#264653;--color-16:#C9E4DE;--color-17:#A3B18A;--color-18:#588157;--color-19:#A5A58D;--color-20:#F4F1DE}.hidden{display:none!important}.calcmath-neo-wrapper{font-family:system-ui,-apple-system,sans-serif;max-width:1000px;margin:30px auto;background:#fff;border:3px solid #000;border-radius:16px;box-shadow:10px 10px 0 #000;padding:25px;box-sizing:border-box;color:#000}.calcmath-neo-wrapper *{box-sizing:border-box}.calcmath-header{background:var(--color-20);padding:20px;border-radius:12px;border:3px solid #000;box-shadow:4px 4px 0 #000;margin-bottom:25px;text-align:center}.calcmath-header h2{margin:0 0 10px 0;font-size:1.8rem;font-weight:900;text-transform:uppercase;color:#111}.calcmath-header p{margin:0;font-weight:700;font-size:1rem;color:#333}.calcmath-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:20px}.calcmath-card{border:3px solid #000;padding:20px;border-radius:12px;box-shadow:4px 4px 0 #000;display:flex;flex-direction:column}.card-title{margin:0 0 15px 0;font-size:1.25rem;font-weight:900;text-transform:uppercase;border-bottom:2px dashed #000;padding-bottom:10px}.bg-powder{background:var(--color-11)}.bg-mint{background:var(--color-2)}.bg-eggshell{background:var(--color-20)}.bg-peach{background:var(--color-3)}.bg-mustard{background:var(--color-6)}.calcmath-neo-wrapper label{display:block;color:#000!important;font-weight:900;font-size:1.05rem;margin-bottom:8px;text-transform:uppercase}.radio-neo-group{display:flex;gap:10px;flex-wrap:wrap}.radio-neo{flex:1;min-width:150px;cursor:pointer}.radio-neo input{display:none}.neo-content{display:block;text-align:center;padding:12px;font-weight:900;font-size:1.1rem;border:3px solid #000;border-radius:8px;background:#fff;transition:0.1s}.radio-neo input:checked+.neo-content{background:var(--color-15);color:#fff;box-shadow:4px 4px 0 var(--color-13);transform:translate(3px,3px)}.calcmath-group{margin-bottom:15px}.calcmath-input{width:100%;padding:15px;font-size:1.3rem;font-weight:900;font-family:'Courier New',monospace;border:3px dashed #000;border-radius:8px;outline:none;background:#fff;transition:0.1s}.calcmath-input:focus{border-style:solid;border-color:var(--color-14);box-shadow:4px 4px 0 var(--color-14);transform:translateY(-2px)}.vk-container{border:3px solid #000;border-radius:8px;padding:15px;margin-bottom:20px}.vk-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:8px}.vk-btn{background:#fff;border:2px solid #000;border-radius:6px;padding:10px 0;font-size:1.1rem;font-weight:900;font-family:'Courier New',monospace;cursor:pointer;box-shadow:2px 2px 0 #000;transition:0.1s;display:flex;justify-content:center;align-items:center}.vk-btn:active{transform:translate(2px,2px);box-shadow:0 0 0 #000}.vk-op{background:var(--color-10)}.vk-func{background:var(--color-16);font-size:.95rem}.vk-var{background:var(--color-6);color:#000}.vk-del{background:var(--color-8);color:#fff}.limits-box{display:grid;grid-template-columns:1fr 1fr;gap:15px;border:3px dashed #000;padding:15px;border-radius:8px;margin-bottom:20px}.calcmath-btn-calc{width:100%;padding:18px;font-size:1.4rem;font-weight:900;text-transform:uppercase;margin-top:auto;background:var(--color-13);color:#fff;border:3px solid #000;border-radius:12px;box-shadow:6px 6px 0 #000;cursor:pointer;transition:0.1s;letter-spacing:1px}.calcmath-btn-calc:active{transform:translate(4px,4px);box-shadow:2px 2px 0 #000}.calcmath-btn-calc:disabled{background:#666;cursor:not-allowed;box-shadow:2px 2px 0 #000;transform:translate(4px,4px)}.calcmath-error-box{background:var(--color-8);color:#fff;border:3px solid #000;padding:15px;border-radius:8px;font-weight:900;font-size:1.1rem;box-shadow:4px 4px 0 #000;text-align:center;animation:shake 0.4s ease-in-out;margin-bottom:20px}@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}.empty-state{text-align:center;font-weight:700;color:#555;padding:40px 20px;font-size:1.1rem;line-height:1.5;border:3px dashed #ccc;border-radius:12px;flex:1;display:flex;flex-direction:column;justify-content:center}.result-box{border:4px solid #000;border-radius:12px;padding:25px;box-shadow:6px 6px 0 #000;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;flex:1}.res-equation{font-size:1.2rem;font-weight:900;color:#111;margin-bottom:15px}.res-value{font-family:'Courier New',monospace;font-size:1.8rem;font-weight:900;color:#000;word-break:break-all;margin-bottom:25px;background:#fff;padding:10px;border:3px solid #000;border-radius:8px;width:100%}.calcmath-btn-copy{background:#fff;border:3px solid #000;border-radius:8px;padding:12px 20px;font-weight:900;font-size:1rem;cursor:pointer;box-shadow:4px 4px 0 #000;transition:0.1s;text-transform:uppercase}.calcmath-btn-copy:active{transform:translate(4px,4px);box-shadow:0 0 0 #000}.calcmath-btn-copy.success{background:var(--color-2)}@media (max-width:850px){.calcmath-grid{grid-template-columns:1fr}.vk-grid{grid-template-columns:repeat(4,1fr)}.vk-btn{padding:12px 0}}