:root { min-width: 320px; color-scheme: light; font-family: var(--nh-font-sans); color: var(--nh-color-text-primary); background: var(--nh-color-bg-canvas); line-height: var(--nh-line-height-body); }
* { box-sizing: border-box; min-width: 0; }
body { margin: 0; overflow-wrap: anywhere; background: radial-gradient(circle at top right, var(--nh-color-action-secondary), transparent 34rem), var(--nh-color-bg-canvas); }
.skip-link { position: fixed; z-index: 100; top: -5rem; left: 1rem; padding: .75rem 1rem; color: var(--nh-color-text-inverse); background: var(--nh-color-action-primary); border-radius: var(--nh-radius-control); }
.skip-link:focus { top: 1rem; }
.app-header { position: sticky; z-index: 10; top: 0; min-height: 76px; padding: 12px max(16px, calc((100% - var(--nh-content-max)) / 2)); background: color-mix(in srgb, var(--nh-color-bg-surface) 94%, transparent); color: var(--nh-color-text-primary); border-bottom: 1px solid var(--nh-color-border-default); box-shadow: 0 .3rem 1.5rem rgba(16, 70, 61, .08); backdrop-filter: blur(14px); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand, .header-actions { display: flex; align-items: center; gap: 12px; }
.brand-mark { display: grid; width: 44px; height: 44px; place-items: center; flex: 0 0 auto; color: var(--nh-color-text-inverse); background: var(--nh-color-action-primary); border-radius: 13px; font-size: 1.4rem; font-weight: 900; }
.brand-copy strong, .brand-copy small { display: block; }
.brand-copy small { color: var(--nh-color-text-muted); }
.preference-group { display: inline-flex; border: 1px solid var(--nh-color-border-default); border-radius: var(--nh-radius-control); overflow: hidden; }
.preference-option { border-radius: 0; color: var(--nh-color-action-primary); background: var(--nh-color-bg-surface); }
.preference-option[aria-pressed="true"] { color: var(--nh-color-text-inverse); background: var(--nh-color-action-primary); }
main { width: min(var(--nh-content-max), calc(100% - 32px)); margin: 0 auto 64px; }
.hero { padding: 44px 0 24px; }
.hero h1 { max-width: 760px; font-size: clamp(2rem, 6vw, 3.6rem); line-height: 1.05; margin: 8px 0 18px; }
.hero p { max-width: 720px; font-size: 1.05rem; line-height: 1.6; }
.eyebrow { color: var(--nh-color-action-primary); text-transform: uppercase; font-weight: 750; letter-spacing: .08em; }
.panel { background: var(--nh-color-bg-surface); border: 1px solid var(--nh-color-border-default); border-radius: var(--nh-radius-card); padding: clamp(18px, 4vw, 30px); margin: 18px 0; box-shadow: var(--nh-shadow-raised); }
.boundary { border-left: 6px solid var(--nh-color-action-primary); }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.wide { grid-column: 1 / -1; }
label { display: grid; gap: 7px; font-weight: 650; margin-bottom: 14px; }
input, textarea { width: 100%; border: 1px solid var(--nh-color-border-default); border-radius: var(--nh-radius-control); padding: 11px; color: var(--nh-color-text-primary); font: inherit; background: var(--nh-color-bg-surface); }
textarea { min-height: 100px; resize: vertical; }
button { min-height: var(--nh-control-height); border: 0; border-radius: var(--nh-radius-control); padding: 11px 16px; font: inherit; font-weight: 750; color: var(--nh-color-text-inverse); background: var(--nh-color-action-primary); cursor: pointer; }
button.secondary { border: 1px solid var(--nh-color-action-primary); background: var(--nh-color-bg-surface); color: var(--nh-color-action-primary); }
button.danger { background: var(--nh-color-status-danger); }
:where(a, button, input, textarea):focus-visible { outline: 3px solid var(--nh-color-focus-ring); outline-offset: 3px; }
button:disabled { opacity: .55; cursor: wait; }
.policy { display: flex; flex-wrap: wrap; gap: 8px 18px; padding: 12px; border-radius: 10px; background: var(--nh-color-bg-subtle); }
.cards { display: grid; gap: 14px; }
.card { background: var(--nh-color-bg-surface); border: 1px solid var(--nh-color-border-default); border-radius: var(--nh-radius-card); padding: 18px; }
.card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.card h3 { margin: 0 0 8px; }
.chip { background: var(--nh-color-bg-subtle); color: var(--nh-color-action-primary); padding: 5px 9px; border-radius: var(--nh-radius-pill); font-size: .8rem; font-weight: 750; }
.metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin: 14px 0; }
.metric { padding: 12px; border-radius: 9px; background: var(--nh-color-bg-subtle); }
.metric strong { display: block; font-size: 1.35rem; }
.muted { color: var(--nh-color-text-muted); font-size: .9rem; }
.problem { padding: 14px 18px; color: var(--nh-color-status-danger); background: var(--nh-color-bg-surface); border: 2px solid var(--nh-color-status-danger); border-radius: 10px; }
.auth-panel { max-width: 720px; border-left: 6px solid var(--nh-color-action-primary); }
.check { grid-template-columns: 24px 1fr; align-items: start; font-weight: 500; }
.check input { margin-top: 4px; }
[lang="bn"] { line-height: var(--nh-line-height-bangla); }
@media (max-width: 620px) {
    .app-header, .header-actions { position: static; align-items: stretch; flex-direction: column; }
    main { width: min(100% - 22px, 1050px); }
    .hero { padding-top: 30px; }
    .grid, .metrics { grid-template-columns: 1fr; }
    .wide { grid-column: auto; }
    .card-head { display: grid; }
}