/* =============================================
   PROTEIN CALCULATOR — protein.css
   Tool-specific styles only.
   Common styles are in tool.css
   ============================================= */

.pro-calc { width: 100%; }

/* Shared reuse */
.bmi-radio-group { display: flex; gap: 24px; padding: 10px 0; }
.bmi-radio-label { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 500; color: var(--text); cursor: pointer; }
.bmi-radio-label input[type="radio"] { width: 18px; height: 18px; accent-color: var(--teal); cursor: pointer; }
.bmi-dual-input { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.cal-hint { font-size: 12px; font-weight: 400; color: var(--muted); margin-left: 6px; }

/* Results */
.pro-results {
    margin-top: 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.pro-result-header {
    background: #16a34a;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    padding: 10px 18px;
}

/* Summary cards */
.pro-summary-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 16px;
    background: var(--light);
    border-bottom: 1px solid var(--border);
}
.pro-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px;
}
.pro-card.highlight {
    border-color: var(--teal);
    background: #f0fdf9;
}
.pro-card-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 6px;
}
.pro-card-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--teal);
    font-family: var(--font-mono);
    line-height: 1.2;
}
.pro-card-value span {
    font-size: 13px;
    font-weight: 600;
    color: var(--muted);
}
.pro-card-note {
    font-size: 12px;
    color: var(--muted);
    margin-top: 4px;
}

/* Section title */
.pro-section-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--navy);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 14px 16px 6px;
    border-top: 1px solid var(--border);
}

/* Table */
.pro-table {
    margin: 0 16px 0;
    width: calc(100% - 32px);
}

/* Print row */
.bf-print-row {
    display: flex;
    justify-content: flex-end;
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    background: var(--light);
}

/* Unit converter */
.unit-subtabs { display: flex; flex-wrap: wrap; gap: 0; margin-bottom: 20px; border-bottom: 2px solid var(--border); }
.unit-subtab { padding: 8px 18px; background: none; border: none; border-bottom: 3px solid transparent; font-size: 13px; font-weight: 600; color: var(--muted); cursor: pointer; font-family: var(--font-main); transition: all 0.2s; margin-bottom: -2px; white-space: nowrap; }
.unit-subtab:hover { color: var(--navy); background: var(--light); }
.unit-subtab.active { color: var(--teal); border-bottom-color: var(--teal); }
.unit-converter-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.unit-col { display: flex; flex-direction: column; gap: 8px; }
.unit-col-label { font-size: 14px; font-weight: 700; color: var(--navy); }
.unit-from-input, .unit-to-input { width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px; font-size: 15px; font-family: var(--font-main); color: var(--text); background: var(--white); outline: none; box-sizing: border-box; transition: border-color 0.2s; }
.unit-from-input:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(0,201,167,0.1); }
.unit-to-input { background: var(--light); color: var(--muted); cursor: default; }
.unit-list { width: 100%; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; font-family: var(--font-main); color: var(--text); background: var(--white); outline: none; padding: 4px; min-height: 160px; cursor: pointer; }
.unit-list option { padding: 7px 10px; border-radius: 4px; font-size: 13px; }
.unit-list option:checked { background: var(--teal); color: var(--navy); }

@media (max-width: 768px) {
    .pro-summary-cards,
    .unit-converter-wrap { grid-template-columns: 1fr; }
    .bmi-dual-input { grid-template-columns: 1fr 1fr; }
}