/*
 * Email feature page (/features/email). Loaded after wa.css; every class is prefixed kf-em-.
 */

/* ---------- Hero composer ---------- */
.kf-em-hero { position: relative; max-width: 500px; margin: 0 auto; padding: 16px 0 48px; }
.kf-em-app { position: relative; z-index: 1; overflow: hidden; border: 1px solid var(--ks-line); border-radius: 22px; background: #fff; box-shadow: 0 40px 80px -30px rgba(7, 94, 84, .45), 0 18px 36px rgba(11, 31, 26, .1); }
.kf-em-app-body { display: grid; grid-template-columns: minmax(0, 1fr); gap: 14px; padding: 18px; }
.kf-em-fields { margin: 0; border: 1px solid var(--ks-line); border-radius: 14px; }
.kf-em-fields > div { display: grid; grid-template-columns: 62px minmax(0, 1fr); gap: 10px; align-items: center; padding: 9px 12px; }
.kf-em-fields > div + div { border-top: 1px solid var(--ks-line); }
.kf-em-fields dt { color: var(--ks-muted); font-size: 12px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.kf-em-fields dd { min-width: 0; margin: 0; overflow: hidden; color: var(--ks-ink); font-size: 13.5px; text-overflow: ellipsis; white-space: nowrap; }
.kf-em-fields dd i { margin-right: 6px; color: var(--kh-wa-teal); font-size: 16px; vertical-align: -3px; }
.kf-em-var { padding: 1px 6px; border-radius: 6px; background: #fff7ed; color: #c2410c; font: 600 12.5px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

.kf-em-mail { position: relative; padding: 14px; border: 1px dashed #cfe3da; border-radius: 14px; background: var(--ks-soft); }
.kf-em-mail p { margin: 10px 0 12px; color: var(--ks-text); font-size: 13.5px; line-height: 1.5; }
.kf-em-mail-banner { display: flex; align-items: center; gap: 12px; padding: 14px; border-radius: 12px; background: linear-gradient(135deg, var(--kh-wa-dark), var(--kh-wa-teal) 60%, #1faa59); color: #fff; }
.kf-em-mail-banner i { flex: none; font-size: 30px; }
.kf-em-mail-banner span { min-width: 0; line-height: 1.3; }
.kf-em-mail-banner b { display: block; font-size: 15px; }
.kf-em-mail-banner small { display: block; overflow: hidden; font-size: 12.5px; opacity: .85; text-overflow: ellipsis; white-space: nowrap; }
.kf-em-mail-btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 10px; background: var(--kh-wa-teal); color: #fff; font-size: 13px; font-weight: 600; transition: transform .15s, box-shadow .15s; }
.kf-em-mail-btn i { font-size: 15px; }
.kf-em-mail-btn.is-clicked { transform: scale(.95); box-shadow: 0 0 0 5px rgba(18, 140, 126, .2); }
.kf-em-cursor { position: absolute; left: 118px; bottom: 4px; color: var(--ks-ink); font-size: 22px; opacity: 0; pointer-events: none; }
.kf-em-hero.is-clicking .kf-em-cursor { animation: kf-em-cursor 1.4s ease forwards; }
@keyframes kf-em-cursor {
    0% { opacity: 0; transform: translate(60px, 26px); }
    30% { opacity: 1; }
    60% { opacity: 1; transform: none; }
    100% { opacity: 0; transform: none; }
}

.kf-em-meter { height: 8px; overflow: hidden; border-radius: 999px; background: #dfeae5; }
.kf-em-meter span { display: block; width: 100%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--kh-wa-teal), var(--kh-wa)); }
.kf-em-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.kf-em-stats > div { min-width: 0; padding: 10px 6px; border: 1px solid var(--ks-line); border-radius: 12px; text-align: center; transition: border-color .3s, box-shadow .3s; }
.kf-em-stats strong { display: block; color: var(--ks-ink); font-size: 1.35rem; font-weight: 800; letter-spacing: -.02em; line-height: 1.2; font-variant-numeric: tabular-nums; }
.kf-em-stats span { display: flex; align-items: center; justify-content: center; gap: 4px; color: var(--ks-muted); font-size: 12px; }
.kf-em-stats span i { color: var(--kh-wa-teal); font-size: 14px; }
.kf-em-hero.is-done .kf-em-stats > div { border-color: #a7dcc8; box-shadow: 0 10px 24px -14px rgba(18, 140, 126, .5); }
.kf-em-send-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.kf-em-send-row small { min-width: 0; color: var(--ks-muted); font-size: 12.5px; text-align: right; }
.kf-em-send { flex: none; }
.kf-em-send:disabled { cursor: progress; filter: saturate(.7); transform: none; }

.kf-em-float-open { top: 12%; left: -14%; }
.kf-em-float-auth { top: -8%; right: -7%; animation-delay: -2s; }
.kf-em-float-click { bottom: -8%; right: -9%; animation-delay: -4s; }

/* ---------- Personalise and preview ---------- */
.kf-em-control { margin-top: 22px; }
.kf-em-control + .ks-checklist, .kf-em-control ~ .ks-checklist { margin-top: 26px; }
.kf-em-device { width: 100%; max-width: 560px; margin: 0 auto; overflow: hidden; border: 1px solid var(--ks-line); border-radius: 18px; background: #fff; box-shadow: var(--ks-shadow-lg); transition: max-width .45s ease, border-radius .45s ease, padding .45s ease, background .45s ease; }
.kf-em-device-bar { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-bottom: 1px solid var(--ks-line); background: var(--ks-soft); font-size: 12.5px; }
.kf-em-device-bar span { flex: none; width: 10px; height: 10px; margin-right: 34px; border-radius: 50%; background: #f87171; box-shadow: 16px 0 0 #fbbf24, 32px 0 0 #34d399; }
.kf-em-device-bar b { color: var(--ks-muted); font-weight: 600; }
.kf-em-device-screen { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; padding: 20px 22px 18px; background: #fff; transition: border-radius .45s ease, padding .45s ease; }
.kf-em-device-screen p { margin: 0; color: var(--ks-text); font-size: 14px; line-height: 1.55; }
.kf-em-inbox-meta { display: flex; align-items: center; gap: 10px; min-width: 0; line-height: 1.3; }
.kf-em-inbox-meta > span:last-child { min-width: 0; }
.kf-em-inbox-meta strong { display: block; color: var(--ks-ink); font-size: 14px; }
.kf-em-inbox-meta small { display: block; overflow: hidden; color: var(--ks-muted); font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.kf-em-avatar { flex: none; display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--ks-primary-50); color: var(--ks-primary-700); font-size: 13px; font-weight: 700; }
.kf-em-subject { margin: 0; font-size: 1.15rem; overflow-wrap: anywhere; }
.kf-em-hero-img { display: flex; align-items: center; gap: 14px; padding: 20px; border-radius: 14px; background: linear-gradient(135deg, var(--kh-wa-dark), var(--kh-wa-teal) 60%, #1faa59); color: #fff; }
.kf-em-hero-img i { flex: none; font-size: 36px; }
.kf-em-hero-img > span { min-width: 0; font-size: 16px; font-weight: 700; line-height: 1.3; }
.kf-em-hero-img small { display: block; font-size: 12.5px; font-weight: 500; opacity: .85; }
.kf-em-products { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.kf-em-products > div { min-width: 0; padding: 10px; border: 1px solid var(--ks-line); border-radius: 12px; }
.kf-em-products strong { display: block; overflow: hidden; color: var(--ks-ink); font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.kf-em-products small { color: var(--ks-muted); font-size: 12.5px; }
.kf-em-prod { display: block; height: 70px; margin-bottom: 8px; border-radius: 8px; transition: height .45s ease; }
.kf-em-prod.is-a { background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, .25) 0 6px, transparent 7px) 0 0 / 22px 22px, linear-gradient(135deg, #312e81, #4f46e5); }
.kf-em-prod.is-b { background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, .3) 0 4px, transparent 5px) 0 0 / 18px 18px, linear-gradient(135deg, #be185d, #f59e0b); }
.kf-em-device-screen .kf-em-mail-btn { justify-self: start; }
.kf-em-device-screen .kf-em-foot { display: flex; align-items: center; gap: 6px; padding-top: 10px; border-top: 1px dashed var(--ks-line); color: var(--ks-muted); font-size: 12px; }
.kf-em-device-screen .kf-em-foot i { font-size: 15px; }
[data-kf-em-first].is-token { padding: 0 5px; border-radius: 6px; background: #fff7ed; color: #c2410c; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .88em; }
[data-kf-em-first].is-flash { animation: kf-em-flash .8s ease; }
@keyframes kf-em-flash { 0% { background: rgba(37, 211, 102, .35); } 100% { background: transparent; } }

.kf-em-device.is-mobile { max-width: 300px; padding: 10px; border-color: #0b1f1a; border-radius: 38px; background: #0b1f1a; box-shadow: inset 0 0 0 2px #24463d, 0 30px 60px -24px rgba(7, 94, 84, .5); }
.kf-em-device.is-mobile .kf-em-device-bar { display: none; }
.kf-em-device.is-mobile .kf-em-device-screen { padding: 26px 14px 16px; border-radius: 29px; }
.kf-em-device.is-mobile .kf-em-subject { font-size: 1rem; }
.kf-em-device.is-mobile .kf-em-hero-img { padding: 14px; }
.kf-em-device.is-mobile .kf-em-hero-img i { font-size: 28px; }
.kf-em-device.is-mobile .kf-em-products { grid-template-columns: minmax(0, 1fr); gap: 8px; }
.kf-em-device.is-mobile .kf-em-products > div { display: grid; grid-template-columns: 52px minmax(0, 1fr); column-gap: 10px; align-items: center; }
.kf-em-device.is-mobile .kf-em-prod { grid-row: span 2; height: 44px; margin: 0; }
.kf-em-device.is-mobile .kf-em-device-screen .kf-em-mail-btn { justify-self: stretch; justify-content: center; }

/* ---------- Gateways ---------- */
.kf-em-gw-panel { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 40px; align-items: center; padding: 36px; border: 1px solid var(--ks-line); border-radius: 28px; background: linear-gradient(135deg, #fff, #f1faf5 80%); }
.kf-em-gw-copy h3 { font-size: 1.5rem; }
.kf-em-gw-copy > p { color: var(--ks-muted); font-size: 1.02rem; }
.kf-em-gw-facts { display: grid; gap: 10px; margin: 18px 0 0; }
.kf-em-gw-facts > div { padding-top: 10px; border-top: 1px dashed var(--ks-line); }
.kf-em-gw-facts dt { color: var(--ks-muted); font-size: 12.5px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.kf-em-gw-facts dd { margin: 2px 0 0; color: var(--ks-ink); font-size: 14.5px; }
.kf-em-form { min-width: 0; overflow: hidden; border: 1px solid var(--ks-line); border-radius: 20px; background: #fff; box-shadow: var(--ks-shadow-lg); }
.kf-em-form-body { display: grid; grid-template-columns: minmax(0, 1fr); gap: 14px; padding: 18px; }
.kf-em-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 12px; }
.kf-em-form-grid label { display: grid; gap: 4px; min-width: 0; margin: 0; }
.kf-em-form-grid span, .kf-em-form-choice > span { color: var(--ks-muted); font-size: 12px; font-weight: 600; }
.kf-em-form-grid b { display: block; overflow: hidden; padding: 9px 12px; border: 1px solid var(--ks-line); border-radius: 10px; background: var(--ks-soft); color: var(--ks-ink); font-size: 13.5px; font-weight: 500; text-overflow: ellipsis; white-space: nowrap; }
.kf-em-form-choice { display: grid; gap: 6px; }
.kf-em-form-choice > div { display: flex; flex-wrap: wrap; gap: 6px; }
.kf-em-form-choice em { padding: 6px 12px; border: 1px solid var(--ks-line); border-radius: 999px; color: var(--ks-text); font-size: 12.5px; font-style: normal; font-weight: 600; }
.kf-em-form-choice em.is-on { border-color: var(--ks-primary); background: var(--ks-primary); color: #fff; }
.kf-em-form-pace { display: flex; flex-wrap: wrap; gap: 8px; }
.kf-em-form-pace span { display: inline-flex; align-items: center; gap: 6px; max-width: 100%; padding: 6px 10px; border-radius: 999px; background: var(--ks-primary-50); color: var(--ks-primary-700); font-size: 12.5px; font-weight: 600; }
.kf-em-form-pace i { font-size: 15px; }
.kf-em-form-save { justify-self: end; display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px; border-radius: 10px; background: var(--ks-primary); color: #fff; font-size: 13.5px; font-weight: 600; }
.kf-em-gw-note { display: flex; align-items: center; justify-content: center; gap: 8px; max-width: 760px; margin: 28px auto 0; color: var(--ks-muted); font-size: 14.5px; text-align: center; }
.kf-em-gw-note i { flex: none; color: var(--kh-wa-teal); font-size: 20px; }

/* ---------- Sending domain step-through ---------- */
.kf-em-dns { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 32px; align-items: start; }
.kf-em-dns-steps { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.kf-em-dns-steps li { min-width: 0; }
.kf-em-dns-steps button { display: flex; align-items: center; gap: 14px; width: 100%; padding: 14px 16px; border: 1px solid rgba(255, 255, 255, .12); border-radius: 16px; background: rgba(255, 255, 255, .04); color: #fff; font: 600 15px/1.3 var(--ks-font); text-align: left; cursor: pointer; transition: border-color .25s, background .25s, box-shadow .25s; }
.kf-em-dns-steps button > span { min-width: 0; }
.kf-em-dns-steps b { flex: none; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: rgba(255, 255, 255, .08); color: var(--kh-wa); font-size: 14px; transition: background .25s, color .25s; }
.kf-em-dns-steps small { display: block; color: rgba(255, 255, 255, .55); font-size: 12.5px; font-weight: 500; }
.kf-em-dns-steps button:hover { border-color: rgba(37, 211, 102, .5); }
.kf-em-dns-steps button.is-done b { background: rgba(37, 211, 102, .22); }
.kf-em-dns-steps button[aria-pressed="true"] { border-color: var(--kh-wa); background: rgba(37, 211, 102, .12); box-shadow: 0 0 0 4px rgba(37, 211, 102, .12); }
.kf-em-dns-steps button[aria-pressed="true"] b { background: var(--kh-wa); color: #0b141a; }
.kf-em-dns-card { min-width: 0; padding: 28px; border: 1px solid rgba(255, 255, 255, .12); border-radius: 24px; background: rgba(255, 255, 255, .05); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.kf-em-dns-checks { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.kf-em-dns-checks span { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; background: rgba(255, 255, 255, .07); color: rgba(255, 255, 255, .7); font-size: 13px; font-weight: 600; transition: background .3s, color .3s; }
.kf-em-dns-checks i { font-size: 16px; }
.kf-em-dns-checks span.is-published { background: rgba(251, 191, 36, .14); color: #fde68a; }
.kf-em-dns-checks span.is-pass { background: rgba(37, 211, 102, .16); color: #4ade80; }
.kf-em-dns-panel h3 { font-size: 1.3rem; }
.kf-em-dns-panel p { color: rgba(255, 255, 255, .72); }
.kf-em-dns-panel:not([hidden]) { animation: kh-panel-in .4s ease both; }
.kf-em-dns-panel code { padding: 1px 6px; border-radius: 6px; background: rgba(255, 255, 255, .1); color: #fff; }
.kf-em-rec { margin: 18px 0 0; overflow: hidden; border: 1px solid rgba(255, 255, 255, .12); border-radius: 14px; }
.kf-em-rec > div { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 12px; padding: 10px 14px; }
.kf-em-rec > div + div { border-top: 1px solid rgba(255, 255, 255, .1); }
.kf-em-rec dt { color: rgba(255, 255, 255, .55); font-size: 12.5px; font-weight: 600; }
.kf-em-rec dd { min-width: 0; margin: 0; color: #fff; font: 13px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; overflow-wrap: anywhere; }
.kf-em-dns-tip { display: flex; align-items: flex-start; gap: 8px; margin: 14px 0 0; font-size: 13.5px; }
.kf-em-dns-tip i { flex: none; margin-top: 2px; color: var(--kh-wa); font-size: 17px; }
.kf-em-verified { display: flex; align-items: center; gap: 12px; margin-top: 18px; padding: 14px 16px; border: 1px solid rgba(37, 211, 102, .4); border-radius: 14px; background: rgba(37, 211, 102, .14); }
.kf-em-verified i { flex: none; color: var(--kh-wa); font-size: 30px; }
.kf-em-verified span { min-width: 0; }
.kf-em-verified strong { display: block; color: #fff; overflow-wrap: anywhere; }
.kf-em-verified small { display: block; color: rgba(255, 255, 255, .7); }
.kf-em-dns-nav { display: flex; justify-content: space-between; gap: 10px; margin-top: 24px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .1); }
.kf-em-dns-btn { display: inline-flex; align-items: center; gap: 6px; height: 42px; padding: 0 16px; border: 1px solid rgba(255, 255, 255, .18); border-radius: 12px; background: transparent; color: #fff; font: 600 14px/1 var(--ks-font); cursor: pointer; transition: background .2s, border-color .2s; }
.kf-em-dns-btn i { font-size: 17px; }
.kf-em-dns-btn:hover:not(:disabled) { border-color: rgba(255, 255, 255, .4); }
.kf-em-dns-btn.is-primary { border-color: transparent; background: var(--kh-wa); color: #0b141a; }
.kf-em-dns-btn.is-primary:hover:not(:disabled) { background: #4ade80; }
.kf-em-dns-btn:disabled { cursor: default; opacity: .4; }

.kf-em-track { display: grid; grid-template-columns: auto minmax(0, 1fr) minmax(0, .8fr); gap: 20px; align-items: center; margin-top: 32px; padding: 24px; border: 1px solid rgba(255, 255, 255, .12); border-radius: 22px; background: rgba(255, 255, 255, .04); }
.kf-em-track-icon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; background: var(--kh-wa); color: #0b141a; font-size: 24px; }
.kf-em-track-copy { min-width: 0; }
.kf-em-track-copy h3 { margin: 0 0 4px; font-size: 1.1rem; }
.kf-em-track-copy p { margin: 0; color: rgba(255, 255, 255, .7); font-size: 14.5px; }
.kf-em-rec.is-inline { margin: 0; }
.kf-em-rec.is-inline > div { grid-template-columns: 64px minmax(0, 1fr); }

/* ---------- Ways to send ---------- */
.kf-em-way { max-width: 460px; margin: 0 auto; overflow: hidden; border: 1px solid var(--ks-line); border-radius: 24px; background: #fff; box-shadow: 0 30px 70px -30px rgba(7, 94, 84, .4); }
.kf-em-way-body { display: grid; grid-template-columns: minmax(0, 1fr); align-content: start; gap: 10px; min-height: 300px; padding: 18px; }
.kf-em-wizard { display: flex; gap: 6px; margin: 0 0 6px; padding: 0; list-style: none; }
.kf-em-wizard li { flex: 1; min-width: 0; display: flex; align-items: center; gap: 6px; padding: 7px 10px; overflow: hidden; border-radius: 10px; background: var(--ks-soft); color: var(--ks-muted); font-size: 12.5px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.kf-em-wizard b { flex: none; display: grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: #dfeae5; font-size: 11px; }
.kf-em-wizard li.is-done b { background: var(--ks-primary); color: #fff; }
.kf-em-wizard li.is-on { background: var(--ks-primary-50); color: var(--ks-primary-700); box-shadow: inset 0 0 0 1.5px var(--ks-primary); }
.kf-em-way-row { display: flex; align-items: center; gap: 12px; padding: 11px 12px; border: 1px solid var(--ks-line); border-radius: 12px; }
.kf-em-way-row > i { flex: none; color: var(--kh-wa-teal); font-size: 20px; }
.kf-em-way-row > span { flex: 1; min-width: 0; color: var(--ks-muted); font-size: 12px; }
.kf-em-way-row b { display: block; overflow: hidden; color: var(--ks-ink); font-size: 14px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.kf-em-way-row em { flex: none; padding: 3px 9px; border-radius: 999px; background: #dcfce7; color: #15803d; font-size: 11.5px; font-style: normal; font-weight: 700; }
.kf-em-way-seg { display: flex; gap: 4px; padding: 4px; border: 1px solid var(--ks-line); border-radius: 12px; }
.kf-em-way-seg em { flex: 1; min-width: 0; padding: 8px 6px; overflow: hidden; border-radius: 9px; color: var(--ks-muted); font-size: 13px; font-style: normal; font-weight: 600; text-align: center; text-overflow: ellipsis; white-space: nowrap; }
.kf-em-way-seg em.is-on { background: var(--ks-primary); color: #fff; }
.kf-em-way.is-code { border-color: #0b141a; background: #0b141a; }
.kf-em-way.is-code .kh-builder-bar { border-color: rgba(255, 255, 255, .08); background: #111b21; }
.kf-em-way.is-code .kh-builder-bar strong { color: #e9edef; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.kf-em-code { min-height: 250px; margin: 0; padding: 18px; overflow-x: auto; background: none; color: #d1d7db; font: 12.5px/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre; }
.kf-em-code .c { color: #8696a0; }
.kf-em-code .k { color: #7dd3fc; }
.kf-em-code .s { color: #86efac; }
.kf-em-code-foot { display: flex; align-items: center; gap: 6px; margin: 0; padding: 12px 18px; border-top: 1px solid rgba(255, 255, 255, .08); color: rgba(255, 255, 255, .7); font-size: 12.5px; overflow-wrap: anywhere; }
.kf-em-code-foot i { flex: none; color: var(--kh-wa); font-size: 16px; }
.kf-em-flow { justify-items: center; gap: 28px; padding-top: 28px; }
.kf-em-node { position: relative; display: flex; align-items: center; gap: 12px; width: 100%; max-width: 320px; padding: 12px 14px; border: 1px solid var(--ks-line); border-radius: 14px; background: #fff; box-shadow: var(--ks-shadow); color: var(--ks-ink); font-size: 14px; font-weight: 600; line-height: 1.3; }
.kf-em-node > span { min-width: 0; }
.kf-em-node > i { flex: none; display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; background: var(--ks-primary-50); color: var(--ks-primary); font-size: 19px; }
.kf-em-node small { display: block; color: var(--ks-muted); font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.kf-em-node + .kf-em-node::before { content: ""; position: absolute; top: -28px; left: 50%; width: 2px; height: 28px; background: repeating-linear-gradient(180deg, var(--kh-wa-teal) 0 5px, transparent 5px 10px); animation: kh-flowline .8s linear infinite; }
.kf-em-node.is-trigger > i { background: #fef3c7; color: #b45309; }
.kf-em-node.is-mail > i { background: #ffedd5; color: #c2410c; }

/* ---------- History ---------- */
.kf-em-log { overflow: hidden; border: 1px solid var(--ks-line); border-radius: 22px; background: #fff; box-shadow: var(--ks-shadow-lg); }
.kf-em-log-list { display: grid; gap: 4px; padding: 10px; }
.kf-em-log-row { display: flex; align-items: center; gap: 12px; width: 100%; padding: 11px 12px; border: 1px solid transparent; border-radius: 12px; background: none; color: var(--ks-ink); font: inherit; text-align: left; cursor: pointer; transition: background .15s, border-color .15s; }
.kf-em-log-row:hover { background: var(--ks-soft); }
.kf-em-log-row[aria-pressed="true"] { border-color: #a7dcc8; background: var(--ks-primary-50); }
.kf-em-log-dot { flex: none; width: 10px; height: 10px; border-radius: 50%; }
.kf-em-log-dot.is-ok { background: #22c55e; }
.kf-em-log-dot.is-bad { background: #ef4444; }
.kf-em-log-dot.is-wait { background: #f59e0b; }
.kf-em-log-main { flex: 1; min-width: 0; line-height: 1.35; }
.kf-em-log-main strong { display: block; overflow: hidden; font-size: 14px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.kf-em-log-main small { display: block; overflow: hidden; color: var(--ks-muted); font-size: 12.5px; text-overflow: ellipsis; white-space: nowrap; }
.kf-em-log-row em { flex: none; padding: 3px 9px; border-radius: 999px; font-size: 11.5px; font-style: normal; font-weight: 700; }
.kf-em-log-row em.is-ok { background: #dcfce7; color: #15803d; }
.kf-em-log-row em.is-bad { background: #fee2e2; color: #b91c1c; }
.kf-em-log-row em.is-wait { background: #fef3c7; color: #92400e; }
.kf-em-log-detail { display: grid; grid-template-columns: minmax(0, 1fr); gap: 14px; margin: 0 10px 10px; padding: 16px; border-radius: 14px; background: var(--ks-soft); }
.kf-em-log-detail[hidden] { display: none; }
.kf-em-log-detail:not([hidden]) { animation: kh-panel-in .35s ease both; }
.kf-em-log-detail dl { display: grid; gap: 8px; margin: 0; }
.kf-em-log-detail dl > div { display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 10px; }
.kf-em-log-detail dt { color: var(--ks-muted); font-size: 12.5px; font-weight: 600; }
.kf-em-log-detail dd { min-width: 0; margin: 0; color: var(--ks-ink); font-size: 13.5px; overflow-wrap: anywhere; }
.kf-em-log-time { display: flex; margin: 0; padding: 0; list-style: none; }
.kf-em-log-time li { position: relative; flex: 1; min-width: 0; padding-top: 18px; font-size: 12.5px; line-height: 1.35; }
.kf-em-log-time li::before { content: ""; position: absolute; top: 0; left: 0; width: 10px; height: 10px; border-radius: 50%; background: var(--ks-primary); }
.kf-em-log-time li::after { content: ""; position: absolute; top: 4px; left: 16px; right: 6px; height: 2px; background: #cfe3da; }
.kf-em-log-time li:last-child::after { display: none; }
.kf-em-log-time li.is-bad::before { background: #ef4444; }
.kf-em-log-time b { display: block; overflow: hidden; color: var(--ks-ink); font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.kf-em-log-time small { color: var(--ks-muted); }
.kf-em-log-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.kf-em-log-actions span { display: inline-flex; align-items: center; gap: 6px; max-width: 100%; min-width: 0; padding: 7px 12px; border: 1px solid var(--ks-line); border-radius: 10px; background: #fff; color: var(--ks-ink); font-size: 12.5px; font-weight: 600; overflow-wrap: anywhere; }
.kf-em-log-actions span i { flex: none; font-size: 15px; }
.kf-em-log-actions span.is-primary { border-color: var(--ks-primary); background: var(--ks-primary); color: #fff; }

.kf-em-faq { margin-top: 80px; }

@media (prefers-reduced-motion: reduce) {
    .kf-em-cursor { display: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
    .kf-em-float-open { left: -4%; }
    .kf-em-float-auth { right: -3%; }
    .kf-em-float-click { right: -4%; }
}
@media (max-width: 960px) {
    .kf-em-float-open { left: -6%; }
    .kf-em-gw-panel { grid-template-columns: minmax(0, 1fr); gap: 28px; padding: 28px; }
    .kf-em-dns { grid-template-columns: minmax(0, 1fr); gap: 20px; }
    .kf-em-dns-steps { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; }
    .kf-em-dns-steps button { flex-direction: column; gap: 8px; padding: 12px 8px; text-align: center; font-size: 13.5px; }
    .kf-em-dns-steps button > span { width: 100%; }
    .kf-em-dns-steps small { display: none; }
    .kf-em-track { grid-template-columns: auto minmax(0, 1fr); }
    .kf-em-track .kf-em-rec { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
    .kf-em-hero { padding: 8px 0 64px; }
    .kf-em-app { border-radius: 18px; }
    .kf-em-app-body { gap: 12px; padding: 14px; }
    .kf-em-fields > div { grid-template-columns: 54px minmax(0, 1fr); padding: 8px 10px; }
    .kf-em-fields dd { font-size: 13px; }
    .kf-em-stats { gap: 8px; }
    .kf-em-stats strong { font-size: 1.1rem; }
    .kf-em-send-row small { display: none; }
    .kf-em-send { width: 100%; }
    .kf-em-float-auth, .kf-em-float-click { display: none; }
    .kf-em-float-open { top: auto; bottom: 6px; left: 8px; max-width: calc(100% - 16px); }
    .kf-em-device-screen { padding: 16px 14px 14px; }
    .kf-em-hero-img { padding: 14px; }
    .kf-em-prod { height: 56px; }
    .kf-em-gw-panel { gap: 22px; padding: 20px; border-radius: 22px; }
    .kf-em-gw-copy h3 { font-size: 1.3rem; }
    .kf-em-form-body { padding: 14px; }
    .kf-em-form-grid { grid-template-columns: minmax(0, 1fr); }
    .kf-em-gw-note { align-items: flex-start; text-align: left; }
    .kf-em-dns-steps { display: flex; margin: 0 -18px; padding: 0 18px 6px; overflow-x: auto; scrollbar-width: none; }
    .kf-em-dns-steps::-webkit-scrollbar { display: none; }
    .kf-em-dns-steps li { flex: none; }
    .kf-em-dns-steps button { flex-direction: row; gap: 8px; padding: 8px 14px 8px 8px; border-radius: 999px; white-space: nowrap; }
    .kf-em-dns-steps b { width: 28px; height: 28px; font-size: 13px; }
    .kf-em-dns-card { padding: 20px 16px; border-radius: 20px; }
    .kf-em-rec > div { grid-template-columns: 58px minmax(0, 1fr); gap: 10px; padding: 9px 12px; }
    .kf-em-rec dd { font-size: 12px; }
    .kf-em-dns-btn { padding: 0 14px; }
    .kf-em-track { padding: 18px; gap: 14px; }
    .kf-em-way { border-radius: 20px; }
    .kf-em-way-body { min-height: 0; padding: 14px; }
    .kf-em-wizard li { justify-content: center; padding: 7px 6px; }
    .kf-em-code { min-height: 0; padding: 14px; font-size: 11.5px; }
    .kf-em-log-list { padding: 6px; }
    .kf-em-log-row { gap: 10px; padding: 10px; }
    .kf-em-log-detail { margin: 0 6px 6px; padding: 14px 12px; }
    .kf-em-log-detail dl > div { grid-template-columns: 72px minmax(0, 1fr); }
    .kf-em-faq { margin-top: 56px; }
}