/* BOORIKO 7.7 — school paper, one task at a time, subject tokens inherited from v7.4. */
.bk77-notion .bk72-intro{padding-top:30px;padding-bottom:34px}
.bk77-notion .bk72-intro h1{max-width:26ch;font-family:Manrope,system-ui,sans-serif;line-height:1.2}
.bk77-notion .bk72-main{padding:28px 32px;background:#fffefb}
.bk77-notion .bk72-sidebar{align-self:start}
.bk77-notion .bk72-prose .bk77-method{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;padding:0;margin:0 0 36px;list-style:none}
.bk77-method>a,.bk77-method>span{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:750;line-height:1.45;color:var(--bk71-ink);text-decoration:none;min-height:54px;padding:12px;background:var(--bk71-soft);border-radius:9px}
.bk77-method b{display:grid;place-items:center;background:var(--bk71-ink);color:#fff;border-radius:50%;width:25px;height:25px;flex-shrink:0;font-size:12px}
.bk77-notion .bk72-prose .bk77-lead{font-size:1.04rem;line-height:1.85;margin:0 0 24px}
.bk77-notion .bk72-prose .bk77-label,.bk77-dialog .bk77-label{font-family:Manrope,system-ui,sans-serif;font-size:11px;font-weight:800;letter-spacing:.11em;line-height:1.6;color:var(--bk71-ink,#184c9d);margin:0 0 12px;max-width:none}
.bk77-notion .bk72-prose .bk77-section{margin:38px 0 42px}
.bk77-notion .bk72-prose .bk77-section h2{font-family:Manrope,system-ui,sans-serif;font-size:1.5rem;font-weight:800;letter-spacing:-.03em;line-height:1.35;margin:0 0 20px;padding:0;color:#19344d}
.bk77-notion .bk72-prose .bk77-section p{line-height:1.9}
.bk77-notion .bk72-prose .bk77-worked{padding:25px 30px;background-color:#fffefa;background-image:linear-gradient(90deg,transparent 17px,#d9979b77 17px 18px,transparent 18px),repeating-linear-gradient(0deg,transparent 0 35px,#9cb4de25 35px 36px);border:1px solid #cdd9ea;border-top:5px solid var(--bk71-accent);border-radius:5px 14px 5px 5px;box-shadow:3px 5px 0 #e8ecf1;margin:34px 0}
.bk77-worked h2,.bk77-remember h2,.bk77-practice h2{font-family:Manrope,system-ui,sans-serif!important;font-weight:800!important;line-height:1.4!important;letter-spacing:-.03em!important;padding:0!important;font-size:1.5rem!important}
.bk77-notion .bk72-prose .bk77-hand{font-family:BoorikoCursive,Manrope,sans-serif;color:var(--bk71-ink);font-size:26px;line-height:2.2;margin:20px 0;word-break:normal;overflow-wrap:anywhere}
.bk77-notion[data-bk76-writing=print] .bk72-prose .bk77-hand{font-family:Manrope,system-ui,sans-serif;font-weight:650;line-height:1.8}
.bk77-worked ol{padding-left:23px;margin:20px 0}.bk77-worked li{padding-left:4px;margin:12px 0;line-height:1.7}
.bk77-notion .bk72-prose .bk77-takeaway{margin-bottom:0;font-weight:700}
.bk77-trap{border-left:4px solid #e8a13c;padding:15px 19px;background:#fff7e8;border-radius:0 9px 9px 0;margin:26px 0}
.bk77-trap strong{color:#78500d}.bk77-notion .bk72-prose .bk77-trap p{margin:8px 0 0;font-size:.95rem}
.bk77-notion .bk72-prose .bk77-small,.bk77-dialog .bk77-small{font-family:Manrope,system-ui,sans-serif;font-size:13px;line-height:1.75;color:#516477;margin:16px 0 0;max-width:66ch}
.bk77-prerequisites,.bk77-parent-guide,.bk77-sources{background:#f6f8fa;border:1px solid #dee5eb;border-radius:10px;padding:14px 18px;margin:24px 0}
.bk77-prerequisites summary,.bk77-parent-guide summary,.bk77-sources summary{font-family:Manrope,system-ui,sans-serif;font-weight:700;line-height:1.6;cursor:pointer}
.bk77-notion .bk72-prose details p{margin:15px 0}
.bk77-parent-guide{background:#f0f7f2;border-color:#c9dfcf}.bk77-parent-guide h3{font-size:1rem}
.bk77-notion .bk72-prose .bk77-practice{border:1px solid color-mix(in srgb,var(--bk71-accent) 30%,white);border-top:5px solid var(--bk71-accent);background:var(--bk71-soft);padding:28px;border-radius:14px;margin:40px 0}
.bk77-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:Manrope,system-ui,sans-serif;font-weight:800;line-height:1.45;font-size:15px;color:#fff;background:var(--bk71-ink,#184c9d);border:2px solid transparent;border-radius:10px;padding:13px 19px;min-height:48px;max-width:100%;white-space:normal;cursor:pointer;text-align:center;box-shadow:none}
.bk77-button:hover{filter:brightness(1.08)}.bk77-button:disabled{cursor:default;opacity:.72}.bk77-button:focus-visible,.bk77-dialog button:focus-visible,.bk77-dialog summary:focus-visible{outline:3px solid #1c5cce;outline-offset:4px}
.bk77-button[hidden]{display:none}.bk77-secondary{background:#fff;color:#233d55;border-color:#c7d4e0;font-weight:650}
.bk77-print-practice{margin-top:25px;font-size:.9rem;border-top:1px solid #c9d7e9;padding-top:15px}
.bk77-print-practice>summary{cursor:pointer;font-weight:650}.bk77-print-practice li{margin-block:24px}.bk77-print-practice details{margin-block:12px}
.bk77-remember{border-left:4px solid var(--bk71-accent);padding:20px 24px;background:var(--bk71-soft);border-radius:0 10px 10px 0;margin:35px 0}
.bk77-notion .bk72-prose .bk77-remember>p:not(.bk77-label):not(.bk77-small){font-weight:700;font-size:1.08rem;line-height:1.75}
.bk77-notion .bk72-prose .bk77-faq{margin-top:38px}.bk77-faq details{border-bottom:1px solid #e2e6e9;padding:17px 0}.bk77-faq summary{cursor:pointer;font-weight:650;line-height:1.6}
.bk77-sources{background:#fff;font-size:.85rem}.bk77-sources ul{padding-left:20px}
.bk77-discover{margin:36px 0}.bk77-expression{background:#fff9ed;border:1px solid #edd7ad;border-radius:12px;padding:0;overflow:hidden}
.bk77-expression>summary{padding:20px 23px;cursor:pointer;list-style:none;position:relative;padding-right:54px}
.bk77-expression>summary:after{content:'+';position:absolute;right:23px;top:28px;font-size:23px;color:#8a5b17}.bk77-expression[open]>summary:after{content:'−'}
.bk77-expression>summary .bk77-label{display:block;color:#78521c!important;margin-bottom:5px!important}.bk77-expression>summary strong{display:block;font-size:1.08rem;color:#233b54}
.bk77-expression-body{padding:0 23px 23px}.bk77-expression-body h2{font-family:Manrope,system-ui,sans-serif!important;font-weight:800!important;line-height:1.5!important;font-size:1.25rem!important;letter-spacing:0!important}
.bk77-expression-body blockquote{margin:20px 0;border-left:3px solid #d99b3d;padding:8px 16px;font-style:normal;background:#fff}
.bk77-expression-choices{display:grid;gap:10px;margin-block:14px}.bk77-expression-fallback[hidden]{display:none}
.bk77-dialog{color:#19334e;background:#fffefb;width:min(680px,calc(100% - 28px));max-width:calc(100% - 28px);max-height:calc(100svh - 32px);border:1px solid #c6d4e2;border-top:6px solid var(--bk71-accent,#2875ed);border-radius:18px;padding:0;box-shadow:0 24px 100px #122c4a44;font-family:Manrope,system-ui,sans-serif;overflow:auto;overscroll-behavior:contain}
.bk77-dialog::backdrop{background:#102d47b8;backdrop-filter:blur(3px)}
.bk77-dialog-top{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 24px;border-bottom:1px solid #e4e7e7;background:#f8fafc;font-size:12px;color:#405971}
.bk77-dialog-top button{min-height:42px;padding:8px 12px;background:#fff;border:1px solid #c5d1de;border-radius:8px;color:#25435d;font:inherit;cursor:pointer;flex-shrink:0}
.bk77-dialog [data-bk77-screen]{padding:28px}
.bk77-dialog h2{font-family:Manrope,system-ui,sans-serif!important;font-size:24px!important;line-height:1.3!important;letter-spacing:-.03em!important;font-weight:800!important;margin:0 0 20px!important;padding:0!important;color:#18374f}
.bk77-dialog h2:focus{outline:none}.bk77-dialog p{font-family:Manrope,system-ui,sans-serif;font-size:16px;line-height:1.8}
.bk77-dialog .bk77-instruction{font-size:20px;font-weight:650;line-height:1.65;margin:18px 0;max-width:42ch}
.bk77-dialog .bk77-stimulus{font-family:Manrope,system-ui,sans-serif;font-size:clamp(26px,5vw,36px);font-weight:750;text-align:center;background:#fff;border:1px solid #d6e0ed;border-radius:12px;padding:22px;color:var(--bk71-ink,#184c9d);line-height:1.65;margin:22px 0;overflow-wrap:anywhere}
.bk77-dialog .bk77-small{margin-bottom:20px;font-size:13px}
.bk77-choices{padding:0;border:0;margin:22px 0;min-width:0;display:grid;gap:12px}
.bk77-choices legend{font-size:14px;margin-bottom:14px;color:#405971;font-weight:650}
.bk77-choice{display:flex;align-items:center;gap:14px;padding:17px 18px;background:#fff;border:2px solid #c8d5e6;border-radius:10px;cursor:pointer;min-height:60px;font-size:19px;line-height:1.55}
.bk77-choice input{width:20px;height:20px;flex-shrink:0;accent-color:var(--bk71-ink,#184c9d);margin:0}
.bk77-choice:has(input:checked){background:var(--bk71-soft,#edf4ff);border-color:var(--bk71-ink,#184c9d)}
.bk77-choice:has(input:focus-visible){outline:3px solid #245fd5;outline-offset:3px}
.bk77-hint{border:1px solid #d5e0ea;background:#f5f8fc;border-radius:9px;padding:12px 16px;margin:20px 0;font-size:14px}.bk77-hint summary{cursor:pointer;font-weight:650;min-height:24px}.bk77-hint p{font-size:15px;margin-bottom:4px}
.bk77-feedback{background:#eef7f0;border-left:4px solid #398359;border-radius:0 10px 10px 0;padding:20px;margin-top:24px}
.bk77-feedback:empty{display:none}.bk77-feedback:focus{outline:none}.bk77-feedback h3{font-family:Manrope,system-ui,sans-serif;font-size:17px;line-height:1.6;margin:0 0 10px;color:#24533a;font-weight:800}.bk77-feedback p{font-size:16px;margin:0 0 18px}.bk77-feedback-retry{background:#fff6e6;border-color:#dba044}.bk77-feedback-retry h3{color:#765018}
.bk77-gift{display:flex;gap:18px;align-items:flex-start;border:1px solid #cbd8ec;background:#f0f5fe;padding:22px;border-radius:12px;margin:24px 0;position:relative}
.bk77-gift img{object-fit:contain;flex-shrink:0;width:64px!important;height:74px!important;max-width:64px!important;border:0!important;box-shadow:none!important;filter:none!important}
.bk77-gift>div{min-width:0;flex:1}.bk77-gift .bk77-gift-idea{font-size:17px;font-weight:650;line-height:1.75;margin:8px 0 18px}.bk77-gift .bk77-button{font-size:14px}.bk77-fed{background:#edf8ed;border-color:#a8d3b6}
.bk77-fed img{animation:bk77-nod .6s ease-out 1}@keyframes bk77-nod{0%,100%{transform:translateY(0)}40%{transform:translateY(-6px) rotate(-4deg)}70%{transform:rotate(3deg)}}
.bk77-modal-open{overflow:hidden}
@media(max-width:800px){.bk77-notion .bk72-main{padding:22px}.bk77-method>a,.bk77-method>span{flex-direction:column;align-items:flex-start;font-size:12px;padding:10px}.bk77-notion .bk72-prose .bk77-method{gap:6px}.bk77-notion .bk72-prose .bk77-worked{padding:23px}.bk77-notion .bk72-prose .bk77-hand{font-size:23px}.bk77-notion .bk72-prose .bk77-section h2{font-size:1.3rem}}
@media(max-width:500px){.bk77-notion .bk72-main{padding:18px 15px}.bk77-notion .bk72-intro{padding-top:24px;padding-bottom:52px}.bk77-notion .bk72-prose .bk77-method{margin-bottom:24px}.bk77-notion .bk72-prose .bk77-practice{padding:22px 18px}.bk77-notion .bk72-prose .bk77-worked{padding:20px}.bk77-notion .bk72-prose .bk77-hand{font-size:20px}.bk77-notion .bk72-prose .bk77-lead{font-size:1rem}.bk77-dialog{width:calc(100% - 16px);max-width:calc(100% - 16px);max-height:calc(100svh - 16px);border-radius:12px}.bk77-dialog [data-bk77-screen]{padding:22px 18px}.bk77-dialog-top{padding:12px 16px}.bk77-dialog h2{font-size:22px!important}.bk77-dialog .bk77-instruction{font-size:18px}.bk77-choice{font-size:17px;padding:14px}.bk77-gift{padding:17px;gap:10px}.bk77-gift img{width:42px!important;height:53px!important;max-width:42px!important}.bk77-gift .bk77-gift-idea{font-size:15px}.bk77-button{font-size:14px}.bk77-expression-body{padding:0 18px 18px}.bk77-expression>summary{padding-left:18px}.bk77-notion .bk72-prose .bk77-section{margin:30px 0}.bk77-worked h2,.bk77-remember h2,.bk77-practice h2{font-size:1.25rem!important}}
@media(prefers-reduced-motion:reduce){.bk77-fed img{animation:none}.bk77-dialog::backdrop{backdrop-filter:none}}
@media print{.bk77-dialog,.bk77-method,.bk77-button,.bk77-gift,.bk77-expression,[data-bk77-expression-game]{display:none!important}.bk77-print-practice,.bk77-print-practice>ol,.bk77-print-practice details>p,.bk77-parent-guide>p,.bk77-faq details>p{display:block!important}.bk77-worked,.bk77-practice,.bk77-remember{box-shadow:none!important;background:#fff!important;break-inside:avoid}}