:root {
    --bg: #f5f7fb;
    --surface: #ffffff;
    --text: #1b2430;
    --muted: #667085;
    --primary: #b42318;
    --primary-dark: #8f1c13;
    --border: #e4e7ec;
    --success: #067647;
    --success-bg: #ecfdf3;
    --info: #175cd3;
    --info-bg: #eff8ff;
    --warning: #b54708;
    --warning-bg: #fffaeb;
    --danger: #b42318;
    --danger-bg: #fef3f2;
    --shadow: 0 14px 35px rgba(16, 24, 40, .08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--text); background: var(--bg); line-height: 1.65; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body, input, select, textarea, button { font-size: 16px; }
h1, h2, h3, p, li, td, th, dd, dt, label, small, a, span, strong { overflow-wrap: anywhere; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: min(1160px, calc(100% - 32px)); margin-inline: auto; }
.narrow { width: min(820px, calc(100% - 32px)); }
.site-header, .admin-header { background: rgba(255,255,255,.96); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20; backdrop-filter: blur(10px); }
.admin-header { background: #17202b; border: 0; }
.nav-wrap { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 800; letter-spacing: 0; min-width: 0; }
.admin-header .brand, .admin-header .main-nav a { color: white; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 36px; height: 36px; border-radius: 12px; display: grid; place-items: center; background: var(--danger-bg); color: var(--primary); flex: 0 0 auto; font-size: 1.1rem; line-height: 1; }
.main-nav { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.main-nav a { color: #344054; font-weight: 650; font-size: .94rem; }
.nav-admin { padding: 8px 14px; border: 1px solid var(--border); border-radius: 10px; }
.hero { padding: 84px 0; background: radial-gradient(circle at 85% 20%, #fee4e2 0, transparent 35%), linear-gradient(180deg, #fff, #f8fafc); }
.hero-grid { display: grid; grid-template-columns: 1.3fr .8fr; gap: 56px; align-items: center; }
.eyebrow { color: var(--primary); font-size: .8rem; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; }
h1, h2, h3 { line-height: 1.2; letter-spacing: 0; margin-top: 0; }
h1 { font-size: clamp(2.2rem, 5vw, 4.3rem); margin-bottom: 22px; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.1rem; }
.hero-copy { font-size: 1.14rem; color: var(--muted); max-width: 720px; }
.hero-actions, .result-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0; }
.btn { display: inline-flex; justify-content: center; align-items: center; min-height: 44px; padding: 10px 18px; border: 1px solid transparent; border-radius: 10px; font: inherit; font-weight: 750; cursor: pointer; text-decoration: none; text-align: center; white-space: normal; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: #fff; color: #344054; border-color: var(--border); }
.btn-wide { width: 100%; }
.medical-note { padding: 14px 16px; border-left: 4px solid var(--warning); background: var(--warning-bg); border-radius: 8px; font-size: .92rem; }
.hero-card, .card, .content-card, .form-card, .table-card, .admin-form, .result-card, .login-card { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow); }
.hero-card { padding: 32px; }
.pulse-icon { width: 64px; height: 64px; display: grid; place-items: center; border-radius: 20px; background: var(--danger-bg); color: var(--danger); font-size: 1.8rem; margin-bottom: 22px; }
.steps { margin: 0; padding-left: 22px; color: var(--muted); }
.steps li + li { margin-top: 10px; }
.section { padding: 76px 0; }
.section-topless { padding-top: 18px; }
.section-heading { max-width: 680px; margin-bottom: 32px; }
.cards { display: grid; gap: 18px; }
.cards.four { grid-template-columns: repeat(4, 1fr); }
.card { padding: 24px; }
.card p { color: var(--muted); margin-bottom: 0; }
.badge { display: inline-flex; padding: 5px 10px; border-radius: 999px; font-size: .76rem; font-weight: 800; margin-bottom: 12px; line-height: 1.35; max-width: 100%; }
.badge-success { color: var(--success); background: var(--success-bg); }
.badge-info { color: var(--info); background: var(--info-bg); }
.badge-warning { color: var(--warning); background: var(--warning-bg); }
.badge-danger { color: var(--danger); background: var(--danger-bg); }
.page-header { padding: 64px 0 36px; background: #fff; border-bottom: 1px solid var(--border); }
.page-header h1 { font-size: clamp(2rem, 4vw, 3.2rem); margin: 10px 0 14px; }
.page-header p { color: var(--muted); font-size: 1.08rem; }
.content-card { padding: 28px; margin-bottom: 20px; }
.form-card { padding: 34px; }
fieldset { margin: 0 0 34px; padding: 0; border: 0; }
legend { font-size: 1.35rem; font-weight: 800; margin-bottom: 16px; }
.form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
label { display: grid; gap: 7px; font-weight: 700; color: #344054; }
input, select, textarea { width: 100%; padding: 11px 13px; border: 1px solid #d0d5dd; border-radius: 10px; background: #fff; color: var(--text); font: inherit; }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(180,35,24,.12); border-color: var(--primary); }
.field-help { margin-top: -8px; color: var(--muted); font-size: .92rem; }
.choice-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.choice-card { display: flex; align-items: flex-start; gap: 12px; border: 1px solid var(--border); padding: 15px; border-radius: 12px; cursor: pointer; background: #fff; }
.choice-card:hover { border-color: #f1a7a1; background: #fffafa; }
.choice-card input { width: 18px; height: 18px; margin-top: 3px; flex: 0 0 auto; }
.choice-card span { display: grid; gap: 3px; min-width: 0; }
.choice-card small { color: var(--muted); font-weight: 450; }
.consent-row, .inline-check { display: flex; align-items: flex-start; gap: 10px; margin: 12px 0 24px; }
.consent-row input, .inline-check input { width: 18px; height: 18px; flex: 0 0 auto; margin-top: 3px; }
.alert { margin: 20px 0; padding: 14px 16px; border-radius: 10px; border: 1px solid; }
.alert-success { color: var(--success); background: var(--success-bg); border-color: #abefc6; }
.alert-danger { color: var(--danger); background: var(--danger-bg); border-color: #fecdca; }
.result-card { padding: 32px; margin-bottom: 20px; border-left: 7px solid; }
.result-success { border-left-color: var(--success); }
.result-info { border-left-color: var(--info); }
.result-warning { border-left-color: var(--warning); }
.result-danger { border-left-color: var(--danger); }
.result-topline { display: flex; justify-content: space-between; color: var(--muted); font-size: .9rem; }
.result-lead { font-size: 1.08rem; }
.recommendation { background: #f8fafc; padding: 18px; border-radius: 12px; margin-top: 22px; }
.recommendation p { margin-bottom: 0; }
.data-list { margin: 0; }
.data-list div { display: grid; grid-template-columns: 180px 1fr; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.data-list div:last-child { border: 0; }
.data-list dt { color: var(--muted); }
.data-list dd { margin: 0; font-weight: 700; }
.two-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.clean-list { padding-left: 20px; margin-bottom: 0; }
.rule-trace { display: grid; gap: 10px; }
.rule-trace > div { display: grid; grid-template-columns: 70px 1fr; gap: 12px; align-items: start; padding: 12px; background: #f8fafc; border-radius: 10px; }
.rule-trace > div > span { font-weight: 800; color: var(--primary); }
.rule-trace p { margin: 0; min-width: 0; }
.site-footer { background: #17202b; color: #d0d5dd; padding: 42px 0; margin-top: 40px; }
.footer-grid { display: flex; justify-content: space-between; gap: 24px; }
.footer-grid p { max-width: 620px; margin-bottom: 0; }
.footer-right { align-self: flex-end; }
.admin-body { background: #f2f4f7; }
.admin-main { padding: 34px 0 70px; }
.admin-title { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.admin-title h1 { font-size: 2.4rem; margin: 4px 0 0; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card { padding: 24px; background: #fff; border: 1px solid var(--border); border-radius: 15px; }
.stat-card strong { display: block; font-size: 2rem; }
.stat-card span { color: var(--muted); }
.table-card { overflow: hidden; }
.table-heading { display: flex; align-items: center; justify-content: space-between; padding: 20px 22px 0; }
.table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; min-width: 680px; }
th, td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: #f9fafb; font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: #475467; }
td { font-size: .93rem; color: var(--text); }
.actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; min-width: 120px; }
.actions form { display: inline; }
.actions button { border: 0; background: none; padding: 0; color: var(--danger); cursor: pointer; font: inherit; }
.admin-layout { display: grid; grid-template-columns: 340px 1fr; gap: 22px; align-items: start; }
.rules-layout { grid-template-columns: 430px 1fr; }
.admin-form { padding: 24px; position: sticky; top: 96px; }
.admin-form h2 { font-size: 1.3rem; }
.admin-form label { margin-bottom: 14px; }
.admin-form .form-grid { grid-template-columns: 1fr 1fr; }
.login-body { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: radial-gradient(circle at top, #fee4e2, #f4f6f8 45%); }
.login-card { width: min(430px, 100%); padding: 34px; }
.login-card h1 { font-size: 2rem; margin: 24px 0 8px; }
.login-card p, .login-card small { color: var(--muted); }
.login-card label { margin: 16px 0; }
.brand-dark { color: var(--text); }
@media (max-width: 980px) {
    .hero-grid, .admin-layout, .rules-layout { grid-template-columns: 1fr; }
    .cards.four, .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .admin-form { position: static; }
    .main-nav { gap: 12px; }
}
@media (max-width: 720px) {
    .nav-wrap, .footer-grid, .admin-title { align-items: flex-start; flex-direction: column; padding: 16px 0; }
    .main-nav { width: 100%; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; }
    .main-nav a { flex: 0 0 auto; }
    .hero { padding: 56px 0; }
    .hero-grid { gap: 32px; }
    .form-grid, .choice-grid, .two-columns, .cards.four, .stat-grid { grid-template-columns: 1fr; }
    .content-card, .form-card, .result-card, .hero-card, .admin-form, .login-card { padding: 20px; border-radius: 14px; }
    .form-card { padding: 22px; }
    .data-list div { grid-template-columns: 1fr; gap: 2px; }
    .result-topline { flex-direction: column; gap: 8px; }
    .rule-trace > div { grid-template-columns: 1fr; }
    h1 { font-size: clamp(1.85rem, 9vw, 2.5rem); }
    h2 { font-size: 1.35rem; }
}
@media print {
    .site-header, .site-footer, .print-hidden { display: none !important; }
    body { background: #fff; }
    .container, .narrow { width: 100%; }
    .content-card, .result-card { box-shadow: none; break-inside: avoid; }
}

/* Revisi basis pengetahuan hipertensi: tekanan darah utama + red flag terpisah */
.bp-reading-card { border: 1px solid var(--border); border-radius: 12px; padding: 16px; margin: 12px 0; background: #f9fafb; }
.bp-reading-card > strong { display: block; margin-bottom: 12px; }
.bp-grid { grid-template-columns: repeat(2, 1fr); }
.measurement-note { margin-top: 14px; padding: 14px 16px; border-radius: 10px; background: #f2f4f7; color: #475467; font-size: .92rem; }
.red-flag-fieldset { border: 1px solid #fecdca; border-radius: 14px; padding: 20px; background: #fffbfa; }
.red-flag-choice { border-color: #fecdca; }
.red-flag-choice:hover { border-color: var(--danger); background: var(--danger-bg); }
.red-flag-alert { font-size: 1rem; }
.bp-result-note { margin: 16px 0 0; }
@media (max-width: 720px) {
    .bp-grid { grid-template-columns: 1fr; }
    .red-flag-fieldset { padding: 16px; }
}