.bkd{--bkd-color:#2459a6;color:#173148;background:#fffefb;border:1px solid #dce4e8;border-radius:22px;padding:clamp(18px,3vw,32px);font:inherit}.bkd *,.bkd-dialog *{box-sizing:border-box}.bkd-kicker{font-size:.73rem!important;letter-spacing:.1em;font-weight:800;color:var(--bkd-color,#2459a6)}.bkd label,.bkd-dialog label{display:block;margin:18px 0;font-weight:650}.bkd select,.bkd-dialog select,.bkd-dialog input[type=text]{display:block;width:100%;max-width:480px;margin-top:8px;border:1px solid #9caebd;border-radius:9px;padding:12px;font:inherit;background:white;color:#173148}.bkd-check{display:flex!important;align-items:flex-start;gap:10px;font-size:.9rem}.bkd-check input{flex:0 0 20px;width:20px;height:20px}.bkd-series{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:24px 0}.bkd-series-card{padding:20px;border-radius:16px;background:#f3f7fc;border-top:5px solid #2459a6;display:flex;flex-direction:column}.bkd-series-card:nth-child(2){background:#faf5ef;border-color:#b46117}.bkd-series-card:nth-child(3){background:#f6f1fa;border-color:#7849b8}.bkd-series-card h4{font-size:1.2rem;margin:8px 0}.bkd-series-card p{font-size:.94rem}.bkd-series-card button{margin-top:auto}.bkd-button,.bkd-answer{display:inline-block;font:inherit;font-weight:750;line-height:1.35;border:0;border-radius:12px;padding:14px 19px;text-decoration:none!important;cursor:pointer;background:#2056a0;color:white!important;min-height:48px;text-align:left}.bkd-button:hover{background:#143e79}.bkd-button:disabled{background:#dee6ed;color:#45596a!important;cursor:default}.bkd-text-button,.bkd-text-link{background:none;border:0;color:#2459a6;font:inherit;text-decoration:underline;text-underline-offset:4px;cursor:pointer;padding:12px 0;display:inline-block;margin-right:15px;min-height:44px}.bkd button:focus-visible,.bkd a:focus-visible,.bkd-dialog button:focus-visible,.bkd-dialog a:focus-visible,.bkd-dialog input:focus-visible,.bkd-dialog select:focus-visible{outline:3px solid #c45e0c;outline-offset:4px}.bkd-small,.bkd-privacy{font-size:.85rem!important;color:#4d6272;line-height:1.6}.bkd-privacy{margin-top:22px}.bkd-dialog{width:min(900px,calc(100vw - 24px));max-width:900px;max-height:90dvh;margin:auto;border:0;border-radius:22px;background:#fffefb;color:#173148;padding:0;box-shadow:0 20px 80px #102a4460;font:inherit}.bkd-dialog::backdrop{background:#0c233ccc}.bkd-dialog>header{position:sticky;top:0;z-index:1;background:#eef4fc;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 22px;border-bottom:1px solid #dce4e8;font-size:.85rem}.bkd-dialog>header button{background:white;border:1px solid #acbdce;border-radius:9px;padding:10px;color:#173148;font:inherit;cursor:pointer}.bkd-dialog [data-bkd-screen]{padding:clamp(18px,4vw,38px)}.bkd-dialog h2{font-size:clamp(1.35rem,2.4vw,1.85rem);line-height:1.25;margin:12px 0 22px}.bkd-dialog h3{font-size:1.13rem;line-height:1.4}.bkd-dialog p{line-height:1.65}.bkd-dialog progress{width:100%;height:8px;accent-color:var(--bkd-color);margin:0 0 20px}.bkd-stimulus{white-space:pre-line;background:#f1f6fc;border-left:4px solid var(--bkd-color);border-radius:0 14px 14px 0;padding:22px;font-size:1.1rem}.bkd-answers{display:grid;gap:12px;margin:20px 0}.bkd-answer{border:2px solid #b5c7dd;background:white;color:#173148!important;font-size:1.05rem}.bkd-answer:hover:not(:disabled){border-color:var(--bkd-color);background:#edf4ff}.bkd-answer:disabled{opacity:.8;cursor:default}.bkd-message:empty{display:none}.bkd-message{padding:18px;background:#f2f6ec;border:1px solid #d0dcc0;border-radius:13px;margin:18px 0}.bkd-helpers{display:flex;flex-wrap:wrap}.bkd-hint{width:100%;background:#fff3db;padding:15px;border-radius:12px}.bkd-live{padding:0 24px}.bkd-live:empty{display:none}.bkd-stats,.bkd-next{padding:18px 22px;background:#edf5fa;border-radius:14px;margin:18px 0}.bkd-next{background:#fff4df}.bkd-report-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:28px 0}.bkd-report-card{min-width:0;border:1px solid #dae2e8;border-top:5px solid var(--bkd-color);border-radius:14px;padding:20px}.bkd-report-card h3{color:var(--bkd-color);margin-top:0}.bkd-report-card p{font-size:.92rem}.bkd-report-card details{border-top:1px solid #e3e8ec;padding-top:14px}.bkd-report-card summary{cursor:pointer;font-size:.86rem}.bkd-parent-cta{background:#102f29;color:white;padding:26px;border-radius:18px}.bkd-parent-cta .bkd-kicker{color:#ffb75a}.bkd-parent-cta .bkd-button{background:#ff9b21;color:#173148!important}.bkd-parent-cta small{display:block;line-height:1.6;margin-top:16px}.bkd-dialog .bkd-answers form button{margin-top:10px}@media(max-width:700px){.bkd-series,.bkd-report-grid{grid-template-columns:1fr}.bkd-dialog>header{padding:10px 14px;align-items:flex-start}.bkd-dialog>header button{max-width:48%}.bkd-button{max-width:100%}.bkd-stimulus{padding:16px}.bkd-dialog>header strong{max-width:50%}}@media(prefers-reduced-motion:reduce){.bkd *,.bkd-dialog *{scroll-behavior:auto!important}}@media print{.bkd-dialog{position:static;max-height:none;width:100%;box-shadow:none}.bkd-dialog button,.bkd-parent-cta,.bkd-dialog>header{display:none}.bkd-report-card{break-inside:avoid}}
.bkd-price-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:24px 0 4px}.bkd-price-card{background:#fffefb;color:#173148;border-radius:14px;padding:18px}.bkd-price-card h4{font-size:1.12rem;margin:0}.bkd-price-card .bkd-price{font-size:1.4rem;font-weight:850;line-height:1.3}.bkd-price-card .bkd-button{font-size:.9rem;padding:12px}.bkd-price-card p{font-size:.9rem}@media(max-width:650px){.bkd-price-grid{grid-template-columns:1fr}}

/* 1.3.1 — a calm school desk, actual visual material, one clear action. */
.bkd-dialog{width:min(880px,calc(100vw - 24px));max-width:880px;max-height:calc(100dvh - 32px);border:1px solid #e3e5e7;border-radius:26px;background:#fffefa;color:#19354b;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;box-shadow:0 28px 100px #112c4a55;overscroll-behavior:contain}
.bkd-dialog::backdrop{background:#183348b8;backdrop-filter:blur(3px)}
.bkd-dialog>header{padding:16px 28px;background:#fffefa;border-bottom:1px solid #e7e8e2;z-index:3;color:#506574;min-height:70px;font-size:13px}
.bkd-dialog>header strong{display:flex;align-items:center;gap:12px;font-weight:650}
.bkd-dialog>header strong:before{content:'B';display:grid;place-items:center;width:32px;height:32px;flex:0 0 32px;border-radius:11px;background:#173f45;color:#fff;font-size:20px;font-weight:850;box-shadow:3px 3px 0 #f7b452}
.bkd-dialog>header button{border-color:#dde3e3;border-radius:12px;min-height:42px;background:white;color:#355266;font-size:12px;font-weight:650}
.bkd-dialog [data-bkd-screen]{padding:25px 32px 28px}
.bkd-dialog .bkd-question-meta{display:flex;align-items:center;justify-content:space-between;gap:12px}
.bkd-dialog .bkd-subject{display:inline-flex;align-items:center;gap:8px;margin:0;font-size:12px;font-weight:800;color:var(--bkd-color);letter-spacing:.07em;text-transform:uppercase}
.bkd-dialog .bkd-subject:before{content:'';width:7px;height:7px;flex:0 0 7px;border-radius:50%;background:currentColor}
.bkd-dialog .bkd-stage{font-size:12px;color:#677a84;font-weight:600}
.bkd-dialog .bkd-progress-dots{display:flex;gap:5px;margin:14px 0 24px}
.bkd-progress-dots span{height:4px;flex:1;border-radius:10px;background:#e6eae8}
.bkd-progress-dots .is-done{background:#359776}.bkd-progress-dots .is-current{background:var(--bkd-color)}
.bkd-dialog h2{font-family:inherit;font-size:clamp(22px,2.7vw,30px);font-weight:750;line-height:1.3;letter-spacing:-.035em;margin:0 0 22px;text-wrap:pretty;color:#173348}
.bkd-dialog h2[tabindex='-1']:focus{outline:none;box-shadow:none}
.bkd-dialog .bkd-small{font-size:13px!important;line-height:1.6;color:#58707b}
.bkd-dialog .bkd-button{background:#173f45;border:1px solid #173f45;border-radius:13px;font-family:inherit;font-size:15px;font-weight:700;padding:15px 22px;box-shadow:0 3px 0 #0c282b;min-height:50px;transition:background .15s ease,transform .15s ease}
.bkd-dialog .bkd-button:hover{background:#235a60}.bkd-dialog .bkd-button:active{transform:translateY(1px);box-shadow:0 2px 0 #0c282b}
.bkd-dialog .bkd-stimulus{background:#f5f3ee;border:1px solid #e8e4da;border-left:3px solid var(--bkd-color);padding:22px 24px;border-radius:4px 16px 16px 4px;font-size:17px;line-height:1.85;margin:0 0 20px}
.bkd-dialog .bkd-instruction-action{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:24px 0 0;padding-top:21px;border-top:1px solid #e9e8e0}
.bkd-instruction-action .bkd-small{max-width:370px;margin:0}.bkd-instruction-action .bkd-button{flex-shrink:0}
.bkd-dialog .bkd-answer-prompt{margin:12px 0 14px;font-size:13px;color:#58707b}
.bkd-dialog .bkd-answers{margin:0 0 20px;gap:12px}
.bkd-dialog .bkd-answer{position:relative;font-family:inherit;font-size:16px;font-weight:600;line-height:1.5;padding:17px 20px;border:2px solid #dfe5e5;border-radius:16px;background:#fff;color:#173348;box-shadow:0 3px 0 #dfe5e5;transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease}
.bkd-dialog .bkd-answer:hover:not(:disabled){background:#fbfaff;border-color:var(--bkd-color);box-shadow:0 3px 0 var(--bkd-color);transform:translateY(-2px)}
.bkd-dialog .bkd-answer:disabled{opacity:1;box-shadow:none;color:#52636d!important;background:#fafbf9}
.bkd-dialog .bkd-choice-correct,.bkd-dialog .bkd-choice-correct:disabled{border-color:#2b8966;background:#f0fbf4;color:#176245!important}
.bkd-dialog .bkd-choice-wrong{border-color:#be6f37;border-style:dashed;background:#fff9ef}
.bkd-answer-state{display:block;margin-top:10px;font-size:12px;font-weight:800;color:#24674c}.bkd-choice-wrong .bkd-answer-state{color:#995321}
.bkd-dialog .bkd-message{background:#f6f5ef;border:1px solid #e2e3d9;border-radius:16px;margin:20px 0 0;padding:20px 23px}
.bkd-dialog .bkd-feedback-success{background:#f0f9f2;border-color:#bbd9c7}.bkd-dialog .bkd-message h3{margin:0 0 7px;font-size:18px;font-family:inherit}.bkd-dialog .bkd-message p{font-size:15px;margin:0 0 16px}
.bkd-dialog .bkd-helpers{border-top:1px solid #e9e8e0;padding-top:5px;gap:4px 18px}.bkd-dialog .bkd-text-button{font-size:12px;font-weight:600;color:#456370;margin:0;text-decoration:none;padding:12px 0}.bkd-dialog .bkd-text-button:hover{text-decoration:underline}
.bkd-dialog .bkd-hint{margin:0;padding:14px 16px;font-size:14px}
.bkd-dialog .bkd-board{margin:0 0 20px;padding:22px 24px 26px;border:1px solid #e5e6e3;border-radius:20px;background-color:#f7f8f5;background-image:linear-gradient(#c3cfc61c 1px,transparent 1px),linear-gradient(90deg,#c3cfc61c 1px,transparent 1px);background-size:20px 20px}
.bkd-dialog .bkd-board-caption{margin:0 0 19px;color:#687b80;font-size:11px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;text-align:center}
.bkd-dialog .bkd-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.bkd-dialog .bkd-visual-card{min-width:0;text-align:center;border:2px solid #e1e5e7;border-radius:19px;background:#fff;padding:16px 10px 22px;box-shadow:0 5px 0 #dfe3e2;overflow:hidden}
.bkd-card-body{display:flex;flex-direction:column;align-items:center;gap:18px;min-width:0}.bkd-card-label{font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:#63717d;font-weight:800}
.bkd-shape{display:block;width:104px;height:104px;max-width:100%;filter:drop-shadow(0 4px 0 #17334814)}
.bkd-dialog .bkd-board-cards .bkd-card-grid{max-width:590px;margin:auto}.bkd-dialog .bkd-answers.bkd-card-grid{max-width:650px;margin:0 auto 24px;gap:18px}
.bkd-dialog .bkd-answers .bkd-visual-card{padding:18px 12px 24px;min-height:190px}.bkd-dialog .bkd-answers .bkd-shape{width:112px;height:112px}
.bkd-token-row{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:14px}
.bkd-token-group{display:inline-flex;align-items:center;gap:7px;max-width:100%;flex-wrap:wrap;justify-content:center}
.bkd-token{display:grid;place-items:center;min-width:44px;min-height:55px;padding:7px;border-radius:10px;background:#fff;box-shadow:0 2px 0 #dde3df;font-size:24px;font-weight:700;color:#254658}
.bkd-token .bkd-shape{width:42px;height:42px}.bkd-token-hole{border:2px dashed #b4a4d5;background:#f1ecfa;color:#7754b1;box-shadow:none}.bkd-token-separator{font-size:27px;color:#a4b0af}
.bkd-sequence-answer .bkd-token-row{gap:10px;justify-content:flex-start}.bkd-sequence-answer .bkd-token{padding:0;min-width:30px;min-height:36px;background:transparent;box-shadow:none}.bkd-sequence-answer .bkd-shape{width:34px;height:34px}
.bkd-coordinate-grid{width:min(100%,330px);margin:auto;border-collapse:separate!important;border-spacing:5px!important;table-layout:fixed;font-size:14px;font-weight:650}
.bkd-coordinate-grid td,.bkd-coordinate-grid th{border:0!important;padding:0!important;text-align:center;line-height:1!important;height:38px;color:#58707b;background:transparent}
.bkd-coordinate-grid td:not(:first-child){background:#fff;border:1px solid #cfdbd6!important;border-radius:7px;box-shadow:0 2px 0 #dde3df}
.bkd-coordinate-grid .bkd-grid-start{background:#efe8fb!important;border:2px solid #7654aa!important}.bkd-grid-marker{font-size:24px;color:#6c479f}.bkd-board-note{text-align:center;font-size:12px!important;margin:14px 0 0!important;color:#526570}
.bkd-compass{position:relative;width:240px;height:210px;margin:auto;background:radial-gradient(circle,#ede8f6 0 36%,transparent 36.5%);color:#6d51aa}.bkd-compass-arrow{position:absolute;inset:55px 60px;display:grid;place-items:center;font-size:70px;line-height:1;font-family:system-ui}
.bkd-direction{position:absolute;font-size:13px;color:#526570;font-weight:700}.bkd-direction-north{top:0;left:50%;transform:translateX(-50%)}.bkd-direction-south{bottom:0;left:50%;transform:translateX(-50%)}.bkd-direction-east{right:0;top:50%;transform:translateY(-50%)}.bkd-direction-west{left:0;top:50%;transform:translateY(-50%)}
.bkd-dialog .bkd-spatial-instruction{font-size:14px;padding:14px 18px;line-height:1.6}
.bkd-sr-only{position:absolute!important;clip:rect(0,0,0,0)!important;clip-path:inset(50%)!important;width:1px!important;height:1px!important;overflow:hidden!important;white-space:nowrap!important}
.bkd-dialog [data-grade='cp'] .bkd-stimulus,.bkd-dialog [data-grade='cp'] .bkd-answer{font-size:18px}
@media(max-width:600px){.bkd-dialog{width:calc(100vw - 12px);max-height:calc(100dvh - 12px);border-radius:19px}.bkd-dialog>header{padding:12px 16px;gap:8px;align-items:center;min-height:62px}.bkd-dialog>header strong{max-width:70%;font-size:11px;gap:8px}.bkd-dialog>header strong:before{width:25px;height:25px;flex-basis:25px;border-radius:8px;font-size:16px}.bkd-dialog>header button{max-width:40%;font-size:11px;padding:9px}.bkd-dialog [data-bkd-screen]{padding:20px 18px 23px}.bkd-dialog .bkd-stage{font-size:10px}.bkd-dialog .bkd-subject{font-size:10px}.bkd-dialog h2{font-size:22px;line-height:1.35;margin-bottom:20px}.bkd-dialog .bkd-progress-dots{margin-bottom:20px}.bkd-dialog .bkd-board{padding:16px 10px 20px;border-radius:16px}.bkd-dialog .bkd-card-grid,.bkd-dialog .bkd-answers.bkd-card-grid{gap:9px}.bkd-dialog .bkd-visual-card{padding:12px 5px 16px;border-radius:12px}.bkd-card-body{gap:13px}.bkd-card-label{font-size:9px;letter-spacing:.01em}.bkd-shape{width:70px;height:70px}.bkd-dialog .bkd-answers .bkd-visual-card{padding:13px 6px 16px;min-height:134px}.bkd-dialog .bkd-answers .bkd-shape{width:74px;height:74px}.bkd-answer-state{font-size:10px}.bkd-dialog .bkd-instruction-action{display:block;margin-top:20px;padding-top:17px}.bkd-instruction-action .bkd-button{width:100%;margin-top:15px;text-align:center}.bkd-dialog .bkd-helpers{gap:0 14px}.bkd-dialog .bkd-text-button{font-size:11px}.bkd-dialog .bkd-stimulus{font-size:16px;padding:16px}.bkd-token-row{gap:8px}.bkd-token-group{gap:4px}.bkd-token{min-width:30px;min-height:42px;font-size:19px;padding:4px}.bkd-token .bkd-shape{width:31px;height:31px}.bkd-sequence-answer .bkd-token-row{gap:6px}.bkd-sequence-answer .bkd-shape{width:24px;height:24px}.bkd-sequence-answer .bkd-token{min-width:24px}.bkd-compass{width:220px}.bkd-dialog .bkd-spatial-instruction{font-size:13px}.bkd-dialog .bkd-message{padding:17px}.bkd-dialog .bkd-message .bkd-button{width:100%;text-align:center}}
@media(prefers-reduced-motion:reduce){.bkd-dialog *{transition:none!important;animation:none!important}}

.bkd-dialog .bkd-answers .bkd-answer.bkd-choice-correct{border:2px solid #2b8966;background:#f0fbf4;box-shadow:0 3px 0 #b7d8c6}
.bkd-dialog .bkd-answers .bkd-answer.bkd-choice-wrong{border:2px dashed #be6f37;background:#fff9ef}
.bkd-dialog [data-phase=feedback] .bkd-helpers,.bkd-dialog [data-phase=feedback] .bkd-answer-prompt{display:none}
.bkd-dialog [data-phase=feedback] .bkd-answer:not(.bkd-choice-correct){border:2px solid #dfe5e5;box-shadow:none;transform:none}
.bkd-dialog .bkd-parent-cta .bkd-button{background:#ff9b21;border-color:#ff9b21;color:#173148!important;box-shadow:none}

.bkd-dialog .bkd-answers.bkd-icon-answers{grid-template-columns:repeat(3,minmax(0,1fr))}
.bkd-dialog .bkd-answers .bkd-sequence-answer .bkd-shape{width:34px;height:34px}
.bkd-dialog .bkd-icon-answers .bkd-sequence-answer{padding:17px 8px}
.bkd-dialog .bkd-icon-answers .bkd-token-row{justify-content:center}
.bkd-dialog .bkd-icon-answers .bkd-sequence-answer .bkd-shape{width:52px;height:52px}
@media(max-width:600px){.bkd-dialog .bkd-answers .bkd-sequence-answer .bkd-shape{width:24px;height:24px}.bkd-dialog .bkd-icon-answers .bkd-sequence-answer .bkd-shape{width:40px;height:40px}}