:root{--primary:#C45C26;--primary-dark:#a34a1e;--primary-light:#f8efe9;--border:#e0d5cc;--text:#2c2c2c;--muted:#6b6b6b;--success:#2e7d32;--bg:#faf8f6;--card:#fff;--radius:10px;--shadow:0 2px 12px rgba(0,0,0,.06)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.45}.calculator{max-width:820px;margin:24px auto;padding:0 16px 40px}.calc-header{text-align:center;margin-bottom:24px}.calc-header h2{margin:0 0 8px;font-size:1.55rem;color:var(--text)}.calc-header p{margin:0;color:var(--muted);font-size:.95rem}.steps{display:flex;gap:8px;margin-bottom:28px;flex-wrap:wrap}.step-dot{flex:1;min-width:60px;text-align:center;padding:10px 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var(--border,#e0d5cc);background:#fff;color:#2c2c2c;cursor:pointer;font-size:18px;line-height:1;padding:0;box-sizing:border-box;flex:0 0 32px}.tk-calc-qty-minus{border-radius:6px 0 0 6px}.tk-calc-qty-plus{border-radius:0 6px 6px 0}.tk-calc-qty-btn:hover{border-color:#C45C26;color:#C45C26}.tk-calc-qty-input{width:44px;height:32px;border:1px solid var(--border,#e0d5cc);border-left:0;border-right:0;text-align:center;font-size:1rem;-moz-appearance:textfield;box-sizing:border-box;padding:0}.tk-calc-qty-input::-webkit-outer-spin-button,.tk-calc-qty-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}@media (max-width:640px){.tk-calc-prod-head{flex-direction:column;align-items:flex-start;gap:8px}.tk-calc-prod-row{display:grid;grid-template-columns:56px 1fr;grid-template-areas:"img info" "qty sum";gap:8px 12px;align-items:center}.tk-calc-prod-img{grid-area:img}.tk-calc-prod-info{grid-area:info}.tk-calc-qty,.tk-calc-prod-meta{grid-area:qty}.tk-calc-prod-sum{grid-area:sum;justify-self:end;margin-left:0}}