.alhc-calculator { max-width: 600px; margin: 20px 0; padding: 24px; background: #f9f9f9; border-radius: 12px; border: 1px solid #eee; }
.calc-header h3 { margin: 0 0 16px; font-size: 18px; }
.calc-tabs { display: flex; gap: 4px; margin-bottom: 20px; }
.calc-tab { padding: 8px 16px; border: 1px solid #ddd; background: #f0f0f0; border-radius: 6px; cursor: pointer; font-size: 14px; transition: all .2s; }
.calc-tab.active { background: var(--alhc-accent, #4DAAC1); color: #fff; border-color: var(--alhc-accent, #4DAAC1); }
.calc-tab:hover:not(.active) { background: #e0e0e0; }
.calc-row { margin-bottom: 12px; }
.calc-row label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 4px; color: #333; }
.calc-input { width: 100%; padding: 10px 12px; border: 1px solid #ddd; border-radius: 6px; font-size: 14px; box-sizing: border-box; }
.calc-input:focus { border-color: var(--alhc-accent, #4DAAC1); outline: none; box-shadow: 0 0 0 2px rgba(77,170,193,.2); }
.calc-btn { width: 100%; padding: 12px; background: #000; color: #fff; border: none; border-radius: 6px; font-size: 16px; font-weight: 600; cursor: pointer; margin-top: 8px; }
.calc-btn:hover { background: #222; }
.calc-result { margin-top: 20px; padding: 16px; background: #fff; border-radius: 8px; border: 1px solid #e0e0e0; }
.calc-result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.calc-stat { text-align: center; padding: 12px; background: #f5f5f5; border-radius: 6px; }
.calc-stat-label { display: block; font-size: 12px; color: #666; margin-bottom: 4px; }
.calc-stat-value { display: block; font-size: 22px; font-weight: 700; color: #000; }
.calc-cta { display: block; text-align: center; padding: 12px; margin-top: 16px; background: var(--alhc-accent, #4DAAC1); color: #fff; border-radius: 6px; text-decoration: none; font-weight: 600; }
.calc-cta:hover { opacity: .9; }