/* BMI Core – giao diện công cụ và khối nội dung. Font kế thừa từ theme (đặt Be Vietnam Pro trong Flatsome). */
:root {
  --bmi-primary: #0E7C66;
  --bmi-primary-dark: #0B6654;
  --bmi-ground: #F2F7F5;
  --bmi-line: #E3ECE8;
  --bmi-line-strong: #CFDDD8;
  --bmi-ink: #1C2B27;
  --bmi-ink-2: #3B4B46;
  --bmi-muted: #5B6B66;
  --bmi-warm: #FFF8EC;
  --bmi-warm-line: #F1E2C2;
}

/* Ẩn tiêu đề trang của theme khi nội dung đã có H1 riêng (tránh lặp H1). */
body.bmi-own-h1 .page-title,
body.bmi-own-h1 .entry-header .entry-title,
body.bmi-own-h1 h1.entry-title { display: none; }

.bmi-h1 { font-size: clamp(30px, 4.6vw, 46px); line-height: 1.15; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 14px; color: var(--bmi-ink); }
.bmi-h3 { font-size: 18px; }
.bmi-lead { font-size: 18px; color: #4A5A55; max-width: 680px; }
.bmi-badge { display: inline-block; font-size: 14px; font-weight: 600; color: var(--bmi-primary-dark); background: #fff; border: 1px solid #CFE3DC; border-radius: 999px; padding: 6px 14px; margin-bottom: 14px; }
.bmi-muted { color: var(--bmi-muted); font-size: 14px; }
.bmi-strong { font-weight: 700; }
.bmi-big { font-size: clamp(32px, 5vw, 44px); font-weight: 800; line-height: 1.1; margin: 4px 0 6px; letter-spacing: -0.02em; }
.bmi-fine { font-size: 13px; color: var(--bmi-muted); margin: 12px 0 0; }
.bmi-dot { display: inline-block; width: 12px; height: 12px; border-radius: 50%; margin-right: 8px; vertical-align: -1px; flex: none; }

/* Dòng kiểm duyệt */
.bmi-byline { display: flex; align-items: center; gap: 12px; font-size: 14px; color: #4A5A55; margin: 6px 0 22px; line-height: 1.5; }
.bmi-byline__label { color: var(--bmi-muted); }
.bmi-byline a { font-weight: 600; }
.bmi-avatar { object-fit: cover; object-position: 50% 12%; background: #E8F1EE; flex: none; display: inline-block; }
.bmi-avatar--initials { display: inline-flex; align-items: center; justify-content: center; color: var(--bmi-primary-dark); font-weight: 800; background: #E6F2EE; }

/* Công cụ */
.bmi-tool { background: #fff; border: 1px solid #DCE7E3; border-radius: 24px; padding: 24px; margin: 0 0 28px; box-sizing: border-box; }
.bmi-tool__head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 18px; }
.bmi-tool__title { font-size: 20px; font-weight: 700; margin: 0; }
.bmi-toggle { display: inline-flex; background: var(--bmi-ground); border-radius: 999px; padding: 4px; gap: 4px; }
.bmi-pill { border: 0; cursor: pointer; font: inherit; font-size: 14px; font-weight: 600; min-height: 40px; padding: 0 16px; border-radius: 999px; background: transparent; color: var(--bmi-ink-2); margin: 0; text-transform: none; letter-spacing: 0; line-height: 1; box-shadow: none; }
.bmi-pill.is-active { background: var(--bmi-primary); color: #fff; }
.bmi-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.bmi-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.bmi-span-2 { grid-column: span 2; }
@media (max-width: 549px) { .bmi-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.bmi-field label { display: flex; justify-content: space-between; font-size: 14px; font-weight: 600; color: var(--bmi-ink-2); margin-bottom: 6px; }
.bmi-field__unit { color: var(--bmi-muted); font-weight: 500; }
.bmi-field input, .bmi-field select { width: 100%; box-sizing: border-box; font: inherit; font-size: 20px; font-weight: 600; color: var(--bmi-ink); padding: 10px 14px; height: auto; min-height: 48px; border: 1.5px solid var(--bmi-line-strong); border-radius: 12px; background: #fff; margin: 0; box-shadow: none; }
.bmi-field select { font-size: 16px; font-weight: 500; }
.bmi-tool > .bmi-field { margin-top: 14px; }
.bmi-range { width: 100%; margin: 10px 0 0; accent-color: var(--bmi-primary); }
.bmi-result { margin-top: 22px; border-top: 1px solid var(--bmi-line); padding-top: 20px; min-height: 120px; }
.bmi-result__top { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 12px; }
.bmi-result__value { font-size: clamp(40px, 6vw, 58px); font-weight: 800; line-height: 1; letter-spacing: -0.03em; }
.bmi-result__value small { font-size: 16px; font-weight: 600; letter-spacing: 0; }
.bmi-chip { display: inline-flex; align-items: center; padding: 8px 16px; border-radius: 999px; background: var(--bmi-ground); font-weight: 700; font-size: 16px; }
.bmi-gauge { position: relative; padding-top: 14px; margin-top: 20px; }
.bmi-gauge__pointer { position: absolute; top: 0; transform: translateX(-50%); width: 0; height: 0; border-left: 8px solid transparent; border-right: 8px solid transparent; border-top: 11px solid var(--bmi-ink); transition: left .25s; }
.bmi-gauge__bar { display: flex; height: 14px; border-radius: 999px; overflow: hidden; gap: 3px; }
.bmi-gauge__ticks { position: relative; height: 22px; margin-top: 6px; font-size: 12px; color: var(--bmi-muted); }
.bmi-gauge__ticks span { position: absolute; transform: translateX(-50%); }
.bmi-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 14px; }
.bmi-cards--3 { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.bmi-card { background: var(--bmi-ground); border-radius: 14px; padding: 14px 16px; }
.bmi-card__value { font-size: 19px; font-weight: 700; }
.bmi-advice { list-style: none; margin: 16px 0 0; padding: 0; font-size: 15px; color: var(--bmi-ink-2); }
.bmi-advice li { position: relative; padding-left: 26px; margin: 0 0 8px; }
.bmi-advice li::before { content: ""; position: absolute; left: 2px; top: 7px; width: 12px; height: 7px; border-left: 2.5px solid var(--bmi-primary); border-bottom: 2.5px solid var(--bmi-primary); transform: rotate(-45deg); }
.bmi-waist { margin: 14px 0 0; font-size: 15px; color: var(--bmi-ink-2); padding-left: 18px; position: relative; }
.bmi-waist::before { content: ""; position: absolute; left: 0; top: 7px; width: 10px; height: 10px; border-radius: 50%; background: var(--bmi-line-strong); }
.bmi-waist.is-ok::before { background: #0E7C66; }
.bmi-waist.is-warn::before { background: #E0661B; }
.bmi-msg { padding: 16px; background: #F7F9F8; border-radius: 14px; color: #4A5A55; font-size: 15px; margin: 0; }
.bmi-child { padding: 18px; background: #FFF8E6; border: 1px solid #F1DFA8; border-radius: 14px; margin-bottom: 8px; }
.bmi-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.bmi-btn { display: inline-flex; align-items: center; min-height: 44px; padding: 0 18px; border-radius: 12px; background: var(--bmi-primary); color: #fff !important; font-weight: 600; font-size: 15px; text-decoration: none; }
.bmi-btn:hover { background: var(--bmi-primary-dark); }
.bmi-btn--ghost { background: #fff; color: var(--bmi-ink) !important; border: 1.5px solid #B9CFC7; }
.bmi-btn--ghost:hover { background: var(--bmi-ground); }
.bmi-quicklinks { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.bmi-quicklinks a { display: inline-flex; align-items: center; min-height: 40px; padding: 0 14px; border-radius: 999px; background: var(--bmi-ground); font-size: 14px; font-weight: 600; text-decoration: none; }
.bmi-check { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; background: #fff; border-radius: 18px; padding: 16px; margin-top: 18px; }
.bmi-check .bmi-field { flex: 1 1 180px; }
.bmi-check__out { flex: 2 1 260px; padding: 4px 8px; }

/* Khối nội dung */
.bmi-answer { background: var(--bmi-ground); border-radius: 24px; padding: 24px 28px; margin: 0 0 32px; }
.bmi-answer__text { font-size: 20px; line-height: 1.55; font-weight: 600; margin: 0 0 16px; }
.bmi-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.bmi-chips .bmi-chip { background: #fff; font-size: 15px; font-weight: 600; }
.bmi-table-wrap { overflow-x: auto; border: 1px solid var(--bmi-line); border-radius: 16px; margin: 0 0 24px; }
.bmi-table { width: 100%; min-width: 440px; border-collapse: collapse; font-size: 15px; margin: 0; border: 0; }
.bmi-table th { background: var(--bmi-ground); text-align: left; padding: 12px 16px; font-weight: 700; border: 0; }
.bmi-table td { padding: 12px 16px; border: 0; border-top: 1px solid var(--bmi-line); }
.bmi-formula { background: var(--bmi-ground); border-radius: 24px; padding: 28px; }
.bmi-formula__label { font-size: 14px; font-weight: 600; color: var(--bmi-primary-dark); margin-bottom: 12px; }
.bmi-formula__eq { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; font-size: 22px; font-weight: 700; }
.bmi-frac { display: inline-flex; flex-direction: column; align-items: center; line-height: 1.3; }
.bmi-frac span:first-child { padding: 0 8px 6px; }
.bmi-frac span:last-child { border-top: 2px solid var(--bmi-ink); padding: 6px 8px 0; }
.bmi-steps { list-style: none; counter-reset: s; padding: 0; margin: 0 0 24px; }
.bmi-steps li { counter-increment: s; position: relative; padding-left: 52px; margin: 0 0 16px; min-height: 36px; }
.bmi-steps li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 36px; height: 36px; border-radius: 50%; background: var(--bmi-primary); color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.bmi-callout { background: var(--bmi-warm); border: 1px solid var(--bmi-warm-line); border-radius: 24px; padding: 24px 28px; margin: 0 0 24px; }
.bmi-callout h2 { font-size: 22px; margin-top: 0; }
.bmi-summary { background: var(--bmi-ground); border-radius: 20px; padding: 20px 26px; margin: 0 0 28px; }
.bmi-note { display: flex; gap: 16px; align-items: flex-start; background: var(--bmi-warm); border: 1px solid var(--bmi-warm-line); border-radius: 20px; padding: 20px 24px; margin: 28px 0; }
.bmi-note__label { font-size: 14px; font-weight: 700; color: #5A4E36; margin-bottom: 4px; }
.bmi-note p { margin: 0; color: #3F3626; }
.bmi-author-box { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; border: 1px solid #DCE7E3; border-radius: 20px; padding: 20px 24px; margin: 24px 0; }
.bmi-author-box > div { flex: 1 1 280px; min-width: 0; }
.bmi-author-box__label { font-size: 12px; color: var(--bmi-muted); font-weight: 700; letter-spacing: .04em; }
.bmi-author-box__name { font-weight: 700; font-size: 18px; text-decoration: none; }
.bmi-author-box p { margin: 4px 0 0; font-size: 15px; color: #4A5A55; }
.bmi-refs { font-size: 14px; color: var(--bmi-ink-2); margin: 24px 0; }
.bmi-refs h2 { font-size: 18px; }
.bmi-disclaimer, .bmi-parent { font-size: 14px; color: var(--bmi-muted); }
.bmi-cta { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 20px 24px; border-radius: 18px; background: var(--bmi-primary); color: #fff !important; text-decoration: none; margin: 24px 0 32px; font-size: 15px; }
.bmi-cta strong { font-size: 18px; }
.bmi-prevnext { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 0 0 24px; }
.bmi-prevnext a { display: block; padding: 16px 20px; border: 1px solid var(--bmi-line); border-radius: 16px; text-decoration: none; color: var(--bmi-ink); }
.bmi-prevnext a span { display: block; }
.bmi-prevnext .is-next { text-align: right; }
.bmi-levels { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 28px; }
.bmi-level { display: inline-flex; align-items: center; min-width: 44px; min-height: 40px; justify-content: center; padding: 0 12px; border-radius: 10px; border: 1px solid var(--bmi-line); text-decoration: none; color: var(--bmi-ink); font-weight: 600; font-size: 15px; }
.bmi-level .bmi-dot { width: 8px; height: 8px; margin-right: 6px; }
.bmi-level.is-current { border-color: var(--bmi-primary); background: var(--bmi-ground); }
.bmi-kg-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; margin: 0 0 28px; }
.bmi-kg { border: 1px solid var(--bmi-line); border-radius: 14px; padding: 12px 14px; line-height: 1.4; }
.bmi-kg strong { display: block; font-size: 17px; }
.bmi-kg span { font-size: 14px; color: #4A5A55; }
.bmi-kg .bmi-dot { width: 8px; height: 8px; margin-right: 6px; }
.bmi-tools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; margin: 0 0 28px; }
.bmi-tool-card { display: block; padding: 20px 22px; border: 1px solid var(--bmi-line); border-radius: 18px; text-decoration: none; color: var(--bmi-ink); background: #fff; line-height: 1.45; }
.bmi-tool-card:hover { border-color: var(--bmi-primary); }
.bmi-tool-card__title { display: block; font-weight: 700; font-size: 16px; margin-bottom: 4px; }
.bmi-tool-card__desc { display: block; font-size: 14px; color: var(--bmi-muted); }
.bmi-faq { display: flex; flex-direction: column; gap: 10px; margin: 0 0 28px; }
.bmi-faq__item { border: 1px solid var(--bmi-line); border-radius: 16px; padding: 2px 22px; }
.bmi-faq__item summary { cursor: pointer; list-style: none; padding: 16px 0; font-weight: 700; position: relative; padding-right: 28px; }
.bmi-faq__item summary::-webkit-details-marker { display: none; }
.bmi-faq__item summary::after { content: "+"; position: absolute; right: 0; top: 12px; font-size: 24px; color: var(--bmi-primary); font-weight: 400; transition: transform .2s; }
.bmi-faq__item[open] summary::after { transform: rotate(45deg); }
.bmi-faq__a p { color: var(--bmi-ink-2); }

/* Chuyên gia */
.bmi-team { display: flex; flex-direction: column; gap: 16px; margin: 0 0 28px; }
.bmi-team__card { display: flex; flex-wrap: wrap; gap: 24px 36px; align-items: center; background: var(--bmi-ground); border-radius: 28px; padding: 28px; }
.bmi-team__card:nth-child(even) { background: #fff; border: 1px solid #DCE7E3; }
.bmi-team__body { flex: 1 1 380px; min-width: 0; }
.bmi-team__role { font-size: 14px; font-weight: 600; color: var(--bmi-primary-dark); margin: 0 0 6px; }
.bmi-team__name { font-size: 26px; font-weight: 800; margin: 0 0 2px; }
.bmi-team__degree { margin: 0 0 12px; font-weight: 500; color: var(--bmi-ink-2); }
.bmi-team ul { margin: 0 0 4px; padding-left: 20px; }
.bmi-profile__hero { display: flex; flex-wrap: wrap; gap: 28px 44px; align-items: center; background: var(--bmi-ground); border-radius: 28px; padding: 28px; margin: 0 0 32px; }
.bmi-profile__hero > div { flex: 1 1 360px; min-width: 0; }
.bmi-timeline { list-style: none; margin: 0 0 28px; padding: 0 0 0 0; border-left: 2px solid #CFE3DC; }
.bmi-timeline li { position: relative; padding: 0 0 18px 26px; }
.bmi-timeline li::before { content: ""; position: absolute; left: -8px; top: 6px; width: 14px; height: 14px; border-radius: 50%; background: var(--bmi-primary); }
.bmi-timeline li > * { display: block; }
.bmi-timeline__when { font-size: 14px; font-weight: 600; color: var(--bmi-primary-dark); }
.bmi-list { padding-left: 20px; }
.bmi-hub-section { margin: 0 0 40px; }
.bmi-hub-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 14px; }
.bmi-hub-head h2 { margin: 0; }

/* Bố cục dự phòng khi không dùng Flatsome */
.bmi-fallback-section { padding: 40px 0; }
.bmi-wrap { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.bmi-fallback-row { display: flex; flex-wrap: wrap; gap: 24px 40px; margin-bottom: 24px; }
.bmi-fallback-col { min-width: 0; }

@media (max-width: 549px) {
  .bmi-tool { padding: 18px; border-radius: 20px; }
  .bmi-answer, .bmi-formula, .bmi-callout, .bmi-team__card, .bmi-profile__hero { padding: 20px; }
  .bmi-cards { grid-template-columns: 1fr; }
}