.rec-wrap{margin-bottom: 2rem;}
.rec-card{background: var(--rec-bg,#fff);border: 1px solid var(--rec-border,#e5e7eb);border-radius: 16px;box-shadow: 0 4px 24px rgba(0,0,0,0.06);overflow: hidden;}
.rec-fields{display: grid;grid-template-columns: 1fr 1fr;gap: 1rem;padding: 1.25rem;}
.rec-field{display: flex;flex-direction: column;gap: 0.5rem;}
.rec-field label{font-size: 0.875rem;font-weight: 600;color: var(--rec-muted,#6b7280);}
.rec-field input{width: 100%;padding: 0.875rem 1rem;font-size: 1.0625rem;border: 2px solid var(--rec-border,#e5e7eb);border-radius: 10px;background: var(--rec-input-bg,#fff);transition: border-color 0.2s,box-shadow 0.2s;}
.rec-field input:focus{outline: none;border-color: var(--rec-focus,#2563eb);box-shadow: 0 0 0 4px rgba(37,99,235,0.12);}
.rec-field input::placeholder{color: var(--rec-placeholder,#9ca3af);}
.rec-results{display: grid;grid-template-columns: 1fr;gap: 0.75rem;padding: 0 1.25rem 1.25rem;}
.rec-result{display: flex;flex-wrap: wrap;align-items: baseline;gap: 0.35rem 0.5rem;padding: 1rem 1.25rem;background: var(--rec-result-bg,#f8fafc);border-radius: 12px;border: 1px solid var(--rec-border,#e5e7eb);}
.rec-result-label{font-size: 0.8125rem;font-weight: 600;color: var(--rec-muted,#6b7280);text-transform: uppercase;letter-spacing: 0.04em;}
.rec-result-value{font-size: 1.5rem;font-weight: 700;color: var(--rec-value,#111827);font-variant-numeric: tabular-nums;}
.rec-result-unit{font-size: 0.875rem;color: var(--rec-muted,#6b7280);}
.rec-formulas{margin: 0;padding: 1rem 1.25rem 1.25rem;font-size: 0.8125rem;color: var(--rec-muted,#6b7280);line-height: 1.5;border-top: 1px solid var(--rec-border,#e5e7eb);}
@media (min-width:480px){.rec-results{grid-template-columns: repeat(3,1fr);}}
@media (min-width:640px){.rec-fields{grid-template-columns: repeat(2,minmax(140px,200px));}.rec-result-value{font-size: 1.75rem;}}
@media (min-width:768px){.rec-card{padding-bottom: 0;}.rec-fields{padding: 1.5rem 1.5rem 1rem;}.rec-results{padding: 1rem 1.5rem 1.5rem;}.rec-formulas{padding: 1rem 1.5rem 1.5rem;}}