.bkacc{--bk-navy:#16365a;--bk-blue:#286cb4;--bk-orange:#ef9b35;--bk-border:#dce6ef;max-width:1180px;margin:0 auto;padding:clamp(24px,5vw,64px) 24px;color:var(--bk-navy);line-height:1.65;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.bkacc *{box-sizing:border-box}.bkacc-intro{max-width:800px;margin-bottom:32px}.bkacc h1{font-size:clamp(2rem,5vw,3.2rem);line-height:1.12;letter-spacing:-.035em;margin:12px 0 20px}.bkacc h2{font-size:clamp(1.45rem,3vw,1.9rem);line-height:1.25;margin:0 0 18px}.bkacc h3{font-size:1.25rem;margin:0 0 16px}.bkacc-kicker{font-size:.78rem;font-weight:800;letter-spacing:.12em;color:var(--bk-blue)}.bkacc-tags,.bkacc-tabs{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}.bkacc-tags span{background:#eef5fb;border:1px solid var(--bk-border);border-radius:30px;padding:6px 14px;font-size:.9rem}.bkacc-tabs a{border-radius:12px;padding:10px 16px;background:var(--bk-navy);color:#fff;text-decoration:none}.bkacc-auth-grid,.bkacc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.bkacc-card{padding:clamp(20px,3vw,32px);border:1px solid var(--bk-border);border-radius:22px;background:#fff;box-shadow:0 8px 30px #16365a08;margin:0 0 24px;min-width:0}.bkacc-card.bkacc-lesson{max-width:100%;margin:32px 0;padding:24px}.bkacc-form{display:grid;gap:18px;margin:20px 0}.bkacc-form label{display:grid;gap:6px;font-weight:650;font-size:.96rem}.bkacc-form input:not([type=checkbox]),.bkacc-form select{width:100%;min-height:48px;border:1px solid #96aec2;border-radius:9px;padding:10px 12px;color:#16365a;background:#fff;font:inherit}.bkacc-form label.bkacc-check{display:flex;align-items:flex-start;gap:10px;font-weight:400;line-height:1.5}.bkacc-check input{width:20px;height:20px;flex-shrink:0;margin-top:3px;accent-color:var(--bk-blue)}.bkacc .button{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:12px 20px;border-radius:12px;background:var(--bk-navy);color:#fff;font:inherit;font-weight:700;border:2px solid var(--bk-navy);text-decoration:none;cursor:pointer}.bkacc .button-outline{background:#fff;color:var(--bk-navy)}.bkacc a{color:#165f9f;text-underline-offset:3px;overflow-wrap:anywhere}.bkacc .button,.bkacc-tabs a{color:#fff}.bkacc .button-outline{color:var(--bk-navy)}.bkacc-small{font-size:.88rem;color:#4b6177;line-height:1.65}.bkacc-message{padding:20px;border:1px solid #b9d5ed;background:#edf6fe;border-radius:12px}.bkacc-honeypot{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.bkacc details>summary{cursor:pointer;font-weight:700;padding:8px 0;min-height:44px}.bkacc-danger{border:1px solid #ac2834;border-radius:10px;background:#fff;color:#a0212c;font:inherit;padding:12px 16px;cursor:pointer}.bkacc section[id]{scroll-margin-top:100px;margin-top:36px}.bkacc-notebook{padding:0;list-style:none}.bkacc-notebook li{padding:18px 0;border-top:1px solid var(--bk-border)}.bkacc-notebook li>span{display:block;margin:6px 0;font-size:.9rem}.bkacc :focus-visible{outline:3px solid #eaa139;outline-offset:4px}.bkacc :target{scroll-margin-top:100px}.bkacc input,.bkacc select{font-size:16px}@media(max-width:700px){.bkacc-auth-grid,.bkacc-grid{grid-template-columns:1fr}.bkacc{padding:28px 18px}.bkacc-tabs a{flex:1;text-align:center}.bkacc .button{width:100%}}@media(prefers-reduced-motion:reduce){.bkacc *{scroll-behavior:auto!important}}
/* 2.3: one task per entry screen; both forms remain usable without JavaScript. */
.bkacc-entry{max-width:480px;margin:0 auto}
.bkacc-entry .bkacc-intro{margin:0 0 16px}.bkacc-entry .bkacc-intro h1{font-size:28px;line-height:1.15;margin:6px 0 8px}.bkacc-entry .bkacc-intro p{margin:0;font-size:15px}.bkacc-entry .bkacc-intro .bkacc-kicker{font-size:11px;letter-spacing:.12em}
.bkacc-auth-tabs{display:flex;gap:4px;padding:4px;border-radius:13px;background:#e7edf6;margin-bottom:14px}.bkacc-auth-tabs a{flex:1;text-align:center;padding:12px 8px;min-height:44px;border-radius:10px;text-decoration:none;font-size:14px;font-weight:750;color:#18375b}.bkacc-auth-tabs [aria-current]{background:white;box-shadow:0 2px 8px #17365b14}
.bkacc-entry .bkacc-auth-grid{display:block}.bkacc-entry .bkacc-card{padding:22px;margin:0 0 18px}.bkacc-entry .bkacc-card[hidden]{display:none!important}.bkacc-entry h2{font-size:22px;margin:0 0 12px}.bkacc-entry .bkacc-form{gap:12px;margin:0}.bkacc-entry .bkacc-form label{font-size:14px;gap:4px}.bkacc-entry .bkacc-form input:not([type=checkbox]),.bkacc-entry .bkacc-form select{font-size:16px;min-height:46px;padding:8px 10px}.bkacc-entry .bkacc-check{font-size:13px!important;line-height:1.45}.bkacc-entry .bkacc-form .bkacc-small{font-size:12px;line-height:1.5;margin:0}.bkacc-entry .bkacc-form .button{background:#f7941d;border-color:#f7941d;color:#16365a;min-height:48px}.bkacc-entry .bkacc-privacy{font-size:12px}.bkacc-entry .bkacc-optional-name{order:2}.bkacc-entry .bkacc-optional-name summary{font-size:12px;min-height:32px;padding:6px 0}.bkacc-entry .bkacc-form>label:has([name=email]){order:1}.bkacc-entry .bkacc-form>.bkacc-check{order:3}.bkacc-entry .bkacc-privacy{order:4}.bkacc-entry .bkacc-form>.button{order:5}.bkacc-entry .bkacc-form>.bkacc-small{order:6}.bkacc-entry .bkacc-form>input[type=hidden],.bkacc-entry .bkacc-form>input[type=hidden]+input[type=hidden]{display:none}
.bkacc-entry>.bkacc-small{font-size:12px;margin:12px 0}.bkacc-entry .bkacc-card>p{font-size:14px;margin:12px 0}.bkacc-entry .bkacc-card>p:last-child{margin-bottom:0}
@media(max-width:600px){.bkacc-entry .bkacc-card{padding:16px}.bkacc-entry .bkacc-intro{margin-bottom:12px}.bkacc-entry .bkacc-auth-tabs{margin-bottom:10px}.bkacc-entry .bkacc-form{gap:10px}.bkacc-entry .bkacc-intro h1{font-size:25px}}

/* 2.3.1 — the email receipt gives one clear next action. */
.bkacc-entry.bkacc-mail-receipt h1{font-size:26px;line-height:1.2;margin:0 0 14px}
.bkacc-entry.bkacc-mail-receipt h2{font-size:20px;margin:18px 0 8px}
.bkacc-entry.bkacc-mail-receipt p{font-size:14px;line-height:1.5;margin:10px 0}
.bkacc-entry.bkacc-mail-receipt .bkacc-small{font-size:12px}
.bkacc .bkacc-entry.bkacc-mail-receipt{display:block;max-width:600px}
.bkacc .bkacc-entry.bkacc-mail-receipt .bkacc-form{grid-template-columns:1fr}
.bkacc .bkacc-entry.bkacc-mail-receipt h1{font-size:26px!important;line-height:1.2!important;margin:0 0 14px!important}
@media(min-width:600px) and (max-height:500px){.bkacc .bkacc-entry.bkacc-mail-receipt h1{font-size:24px!important;margin-bottom:6px!important}.bkacc .bkacc-entry.bkacc-mail-receipt p{font-size:13px;line-height:1.4;margin:8px 0}.bkacc .bkacc-entry.bkacc-mail-receipt h2{margin:12px 0 6px!important}}