@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700;800&display=swap');
:root{--navy:#102a56;--blue:#1857b6;--pale:#eef5ff;--ink:#172033;--muted:#657187;--line:#dce3ed;--bg:#f4f7fb;--red:#b72e32;--radius:20px}*{box-sizing:border-box}body{margin:0;font-family:'Noto Sans KR',sans-serif;font-size:16px;line-height:1.6;color:var(--ink);background:var(--bg)}a{color:var(--blue);text-underline-offset:4px}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #f18a27;outline-offset:3px}[hidden]{display:none!important}.skip{position:fixed;top:-100px;left:15px;z-index:100;background:white;padding:15px}.skip:focus{top:10px}.shell{min-height:100vh}.rail{position:fixed;inset:0 auto 0 0;width:265px;display:flex;flex-direction:column;padding:30px 20px;background:#fff;border-right:1px solid var(--line);z-index:10}.brand{text-decoration:none;display:flex;align-items:center;gap:12px;color:var(--navy);margin-bottom:36px}.brand img{width:62px;height:62px;filter:drop-shadow(0 4px 5px #18366644)}.brand b{font-size:18px}.brand small{display:block;font-size:10px;line-height:1.6;margin-top:5px}.rail nav{display:grid;gap:6px}.rail nav a{padding:13px 16px;text-decoration:none;font-weight:600;border-radius:12px;color:#4e5a70}.rail nav a.active,.rail nav a:hover{background:var(--pale);color:var(--blue)}.rail-help{margin-top:auto;background:var(--navy);color:white;border-radius:16px;padding:18px}.rail-help p{font-size:14px;margin:6px 0}.rail-help a{color:white;font-size:14px}.policy-link{font-size:14px;margin:18px 0;text-align:center}main{margin-left:265px}.topbar{min-height:104px;background:#fff;border-bottom:1px solid var(--line);padding:20px 4vw;display:flex;align-items:center;justify-content:space-between;gap:20px}.eyebrow{font-size:14px;color:var(--muted)}h1{font-size:25px;margin:0}h2{font-size:28px;line-height:1.45;margin:0 0 12px}h3{font-size:21px;margin:0 0 8px}p{margin:0 0 16px}small,.muted{color:var(--muted);font-size:14px}.account{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.account a{font-size:14px}.account span{font-size:14px}#content{padding:28px 4vw 42px;min-height:70vh;max-width:1460px;margin:auto}.panel,.form-shell{padding:26px;background:white;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 9px 30px #102a5608;margin-bottom:22px}.form-shell{max-width:780px;margin:0 auto 26px}.actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.primary,.secondary,.light{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:11px 22px;border-radius:11px;font-weight:700;text-decoration:none;border:1px solid transparent}.primary{background:var(--blue);color:#fff}.secondary{background:#fff;color:var(--navy);border-color:#c7d3e3}.light{background:white;color:var(--navy)}.danger{color:var(--red);background:#fff;border:1px solid #e9bfc1;border-radius:10px;padding:10px 15px}.hero{display:grid;grid-template-columns:1.3fr 1fr;background:linear-gradient(120deg,#102a56,#1d5aa0);border-radius:24px;overflow:hidden;color:white;margin-bottom:24px}.hero-copy{padding:34px}.hero h2{font-size:clamp(24px,3vw,37px);margin:14px 0}.hero p{color:#d9e8ff}.hero img{width:100%;height:100%;max-height:340px;object-fit:cover}.status-pill{display:inline-block;padding:5px 12px;border-radius:30px;background:#eaf2ff;color:var(--blue);font-size:14px;font-weight:700}.status-pill.approved{color:#126944;background:#e1f3e9}.status-pill.pending{color:#8b530c;background:#fff0d7}.status-pill.rejected,.status-pill.suspended{color:#992a31;background:#ffe9e9}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:24px 0}.quick-grid a{padding:22px;background:white;border:1px solid var(--line);border-radius:16px;text-decoration:none;color:var(--navy);display:block}.quick-grid strong{display:block;font-size:19px}.quick-grid small{display:block;margin-top:8px}.steps{display:flex;gap:14px;flex-wrap:wrap;list-style:none;padding:0;counter-reset:step}.steps li{background:var(--pale);border-radius:12px;padding:14px 18px;flex:1;min-width:130px;counter-increment:step}.steps li:before{content:counter(step);display:inline-grid;place-items:center;width:26px;height:26px;background:var(--blue);color:white;border-radius:50%;margin-right:8px;font-size:14px}.section-head{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-bottom:22px}.section-head h2{margin:0}.empty{padding:28px;color:var(--muted);background:white;border:1px dashed #cbd8e8;border-radius:16px;text-align:center;margin:15px 0}.notice{padding:18px 20px;border-radius:13px;background:#eaf2ff;border:1px solid #ccddf3;margin:18px 0}.notice p:last-child{margin-bottom:0}.warning{background:#fff6e7;border-color:#f0d3a4}.form-shell label,dialog label{display:block;font-weight:600;margin:18px 0 7px}input:not([type=checkbox]),select,textarea{width:100%;border:1px solid #bbc9dc;border-radius:10px;background:white;padding:13px;color:var(--ink);margin-top:6px}textarea{resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}.check{display:flex!important;align-items:flex-start;gap:11px;font-size:16px}.check input{flex:none;width:22px;height:22px;margin:3px 0;accent-color:var(--blue)}.form-error{color:var(--red);font-weight:600;margin:12px 0}.field-help{display:block;margin-top:6px}.privacy-summary{font-size:14px;background:var(--bg);border-radius:10px;padding:18px;margin-top:24px}.privacy-summary ul{padding-left:20px}.form-shell>.primary,form>.primary{margin-top:18px}.search-row{display:flex;gap:10px;margin-bottom:20px}.search-row input{margin:0}.search-row button{flex:none}.member-list{display:grid;gap:15px}.member-row{display:flex;align-items:center;justify-content:space-between;gap:18px;background:white;border:1px solid var(--line);border-radius:15px;padding:20px}.member-row h3{margin:0}.member-row p{margin:4px 0}.details{display:grid;grid-template-columns:120px 1fr;gap:12px;margin:0}.details dt{color:var(--muted)}.details dd{margin:0;overflow-wrap:anywhere}.post{white-space:pre-wrap;overflow-wrap:anywhere}.card-canvas-shell{max-width:900px;margin:20px auto}.card-canvas-shell canvas{width:100%;height:auto;display:block;border-radius:18px;box-shadow:0 16px 36px #102a5633}.course-card{overflow:hidden;padding:0}.course-card>div{padding:24px}.course-price{font-size:27px;font-weight:800;color:var(--navy)}.course-card img{width:100%;height:175px;object-fit:cover}.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}.tabs a{border:1px solid #c6d4e4;background:#fff;padding:10px 16px;border-radius:10px;text-decoration:none}.tabs a.active{color:#fff;background:var(--blue)}.photo{width:64px;height:78px;object-fit:cover;border-radius:8px}.audit-row{padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}.metric{font-size:32px;font-weight:800;color:var(--navy)}.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.metric-grid>.panel{margin:0}.owner-link{overflow-wrap:anywhere}footer{padding:25px 4vw;border-top:1px solid var(--line);display:flex;gap:18px;flex-wrap:wrap;font-size:14px;color:var(--muted)}.mobile-nav{display:none}.toast{position:fixed;bottom:32px;left:50%;transform:translateX(-50%);max-width:90vw;background:var(--navy);color:white;border-radius:12px;padding:14px 24px;z-index:100;box-shadow:0 10px 30px #0003}dialog{border:0;border-radius:20px;padding:26px;max-width:540px;width:calc(100% - 32px)}dialog::backdrop{background:#102a5677}.loading{text-align:center;color:var(--muted)}#connection-error{margin:20px 4vw;background:#fff1e0;border:1px solid #edc694;border-radius:10px;padding:18px}#splash{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:40px;background:var(--navy);color:white;z-index:99;pointer-events:none;animation:fade-splash 2.4s forwards}#splash img{width:95px;height:95px;animation:grow-logo 2s ease-in-out forwards}#splash strong{margin-top:85px;font-size:26px}@keyframes grow-logo{to{transform:scale(3)}}@keyframes fade-splash{0%,80%{opacity:1}100%{opacity:0;visibility:hidden}}@media(prefers-reduced-motion:reduce){#splash{display:none}*{scroll-behavior:auto!important;animation:none!important}}
@media(max-width:1000px){.rail{width:225px;padding:24px 16px}.brand{gap:8px}.brand img{width:48px;height:48px}.brand b{font-size:16px}main{margin-left:225px}.quick-grid{grid-template-columns:repeat(2,1fr)}.hero{grid-template-columns:1fr}.hero img{max-height:210px}.metric-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.rail{display:none}main{margin-left:0}.topbar{padding:16px 20px;min-height:92px;align-items:flex-start}.topbar h1{font-size:22px}.account{max-width:46%;justify-content:flex-end}.account span{overflow-wrap:anywhere;font-size:13px}#content{padding:20px 16px 28px}.hero-copy{padding:25px}.hero h2{font-size:27px}.panel,.form-shell{padding:21px}.grid,.form-row{grid-template-columns:1fr}.form-row{gap:0}.quick-grid{gap:12px}.quick-grid a{padding:18px}.quick-grid strong{font-size:17px}.member-row{align-items:flex-start;flex-wrap:wrap}.details{grid-template-columns:95px 1fr}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;background:white;border-top:1px solid var(--line);z-index:30;padding:7px 4px max(7px,env(safe-area-inset-bottom))}.mobile-nav a{flex:1;text-align:center;padding:10px 2px;font-size:14px;font-weight:700;text-decoration:none;color:var(--muted);border-radius:10px}.mobile-nav a.active{color:var(--blue);background:var(--pale)}body{padding-bottom:76px}.toast{bottom:90px;width:max-content;max-width:90vw}.section-head{align-items:flex-start;flex-wrap:wrap}.metric-grid{grid-template-columns:1fr 1fr}.metric-grid .panel{padding:16px}footer{padding:22px 18px}.brand small{font-size:10px}.search-row{flex-wrap:wrap}.search-row input{min-width:0;flex:1}.card-canvas-shell{margin:18px -4px}}

.phone-input{display:flex;align-items:stretch;margin-top:6px;border:1px solid #bbc9dc;border-radius:10px;overflow:hidden;background:#fff}.phone-prefix{display:flex;align-items:center;padding:13px 20px;background:#eaf2ff;border-right:1px solid #bbc9dc;font-size:18px;font-weight:800;color:var(--navy)}.phone-input input:not([type=checkbox]){min-width:0;flex:1;width:auto;margin:0;border:0;border-radius:0;font-size:18px;letter-spacing:.04em}.phone-input:focus-within{outline:3px solid #f18a27;outline-offset:3px}.phone-input input:focus-visible{outline:none}

.admin-account-link{background:var(--blue);color:#fff!important;padding:8px 14px;border-radius:10px;text-decoration:none;font-weight:700}.mobile-nav #mobile-admin-nav{color:var(--blue);background:var(--pale)}

/* Shared identity stays in the same header on every application route. */
.topbar{flex-wrap:wrap}.page-heading{min-width:0}.top-brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--navy)}.top-brand img{flex:none;width:56px;height:56px;filter:drop-shadow(0 3px 5px #102a5630)}.top-brand strong{font-size:clamp(18px,2vw,23px);overflow-wrap:anywhere}.page-heading h1{margin:8px 0 0 68px}.topbar .account{margin-left:auto}.hero{grid-template-columns:1fr}.hero img{display:block;height:auto;max-height:none;aspect-ratio:2/1;object-fit:contain}.hero-copy{padding:28px 34px}.page-story{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;overflow:hidden;background:#eaf2ff;border:1px solid #d6e4f7;border-radius:22px;margin-top:28px}.page-story img{width:100%;height:auto;display:block;aspect-ratio:16/9;object-fit:cover}.page-story>div{padding:24px}.page-story h2{font-size:23px;color:var(--navy)}.page-story p{margin:0;color:#455a78}.top-brand:focus-visible{border-radius:8px}
@media(max-width:760px){.topbar{gap:12px}.top-brand img{width:48px;height:48px}.top-brand{gap:10px}.page-heading h1{margin-left:58px;font-size:20px}.topbar .account{max-width:100%;font-size:14px}.hero-copy{padding:24px}.page-story{grid-template-columns:1fr}.page-story>div{padding:20px}.page-story h2{font-size:21px}}

.board-file{margin:20px 0;padding:14px;background:#f4f7fb;border-radius:14px;max-width:100%;overflow:hidden}.board-file img,.board-file video{display:block;max-width:100%;max-height:560px;width:auto;height:auto;border-radius:10px;margin:auto}.board-file audio{width:100%;display:block}.board-file figcaption{margin-top:10px;overflow-wrap:anywhere;font-size:14px}.board-policy summary{cursor:pointer}.board-policy p{font-size:15px;margin:12px 0 0}.post-excerpt{white-space:pre-wrap;overflow-wrap:anywhere}.post{overflow-wrap:anywhere}.board-file .danger{margin:8px}.panel .actions{margin-top:16px}

.password-control{display:flex;gap:8px;align-items:stretch}.password-control input{flex:1;min-width:0}.password-control button{flex:none;padding:10px 16px} .form-shell .actions{margin-top:20px}

.board-title-row{background:#fff;border:1px solid #d1dced;border-radius:12px;margin-bottom:10px;overflow:hidden}.board-title-link{display:flex;align-items:center;gap:12px;min-height:66px;padding:16px 20px;text-decoration:none;color:#102a56}.board-author{flex:0 0 7em;max-width:32%;font-size:16px;font-weight:800;color:#1857b6;overflow-wrap:anywhere;border-right:1px solid #d1dced;padding-right:10px}.board-title-link strong{flex:1;min-width:0;font-size:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.board-title-link:hover{background:#eef5ff}.board-open{flex:none;font-size:28px;color:#1857b6}.pin-label{flex:none;background:#fff0ce;color:#714600;border-radius:6px;padding:3px 8px;font-size:13px;font-weight:800}
@media(max-width:760px){.mobile-nav{border-top:2px solid #b7cce8;box-shadow:0 -5px 22px #102a5620;gap:3px;background:#fff;padding-top:8px}.mobile-nav a{min-height:52px;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:clamp(15px,4vw,18px);color:#173965;border:1px solid transparent}.mobile-nav a.active{color:#fff;border-color:#174d94;background:linear-gradient(110deg,#123669,#1857b6,#116078,#1857b6,#123669);background-size:250% 100%;animation:menu-color-wave 12s ease-in-out infinite;box-shadow:0 3px 9px #1857b630}.board-title-link{padding:14px;gap:8px}.board-title-link strong{font-size:17px}body{padding-bottom:calc(88px + env(safe-area-inset-bottom))}}
@keyframes menu-color-wave{0%,65%,100%{background-position:0% 50%}82%{background-position:100% 50%}}
@media(prefers-reduced-motion:reduce){.mobile-nav a.active{animation:none}}
.vip-badge{display:inline-block;background:linear-gradient(120deg,#29231a,#4b3e20);color:#ffe3a0;border:1px solid #c9a457;padding:6px 18px;border-radius:20px;font-size:18px;letter-spacing:2px}.benefits-form{padding:14px;border:1px solid #d9c69a;border-radius:12px;min-width:220px}.certificate-table{width:100%;border-collapse:collapse;margin:20px 0}.certificate-table th,.certificate-table td{padding:14px 10px;text-align:left;border-bottom:1px solid #dbe2ee}.certificate-table th{background:#edf3fc;color:#173b6b}.certificate-table img{width:65px;height:82px;object-fit:cover;border-radius:8px}.cert-number strong,.cert-number small{display:block;overflow-wrap:anywhere}.cert-photo{width:85px}.cert-date{white-space:nowrap}@media(max-width:650px){.certificate-table thead{display:none}.certificate-table tbody{display:block}.certificate-table tr{display:grid;grid-template-columns:66px 1fr 1fr;grid-template-rows:auto auto;border-bottom:1px solid #cad6e7;padding:12px 0;gap:6px}.certificate-table td{display:block;border:0;padding:3px;font-size:15px}.certificate-table .cert-photo{grid-row:1/3;width:60px;align-self:center}.certificate-table img{width:56px;height:78px}.cert-name{font-weight:800}.cert-birth:before{content:'출생 '}.certificate-table .cert-number{font-size:13px}.cert-date{align-self:end;font-size:13px!important}.cert-date:before{content:'취득 ';}.member-row{flex-wrap:wrap}}

.news-item-title{font-size:1.3rem;line-height:1.6;margin:2rem 0 1rem;color:#102a56}.news-item-picture{margin:0 0 1rem}.news-item-picture img{display:block;width:100%;max-height:480px;object-fit:contain;border-radius:16px;background:#eef3fa}.news-item-picture figcaption{font-size:.875rem;line-height:1.6;color:#586477;margin-top:.5rem}

.shortcut-guide-picture{margin:1.5rem auto;max-width:440px}.shortcut-guide-picture img{display:block;width:100%;height:auto;border-radius:16px}.shortcut-guide-picture figcaption{font-size:1rem;line-height:1.6;margin-top:.75rem;color:#102a56}

/* Senior ChatGPT teaching guide: readable steps and instructor cues. */
.course-text{line-height:1.9}.course-label{display:inline-block;color:#125260;font-size:1.08em;margin-top:.75rem;border-left:4px solid #ba9650;padding-left:.65rem}.course-text .post-link{overflow-wrap:anywhere}

.education-permissions{border:1px solid #bdc9d7;border-radius:12px;padding:12px;margin:0 0 16px;min-width:0}.education-permissions legend{font-weight:700;font-size:1rem}.education-permissions small{display:block;max-width:26rem;line-height:1.6}
.qualification-guide{border-top:6px solid #b78b31}.eyebrow{font-weight:800;color:#28518a}.qualification-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:28px 0}.qualification-step{position:relative;padding:28px 22px;background:#edf2f8;border:1px solid #cad5e1;border-radius:18px}.qualification-step>strong{display:block;font-size:2rem;color:#17365c;margin:12px 0}.qualification-step h3{font-size:1.2rem}.qualification-step small{display:block;line-height:1.7;font-size:1rem;font-weight:700}.qualification-step.level-1{background:#fff6dc;border-color:#d7bc77}.qualification-step.level-special{background:#142b4a;color:#fff;border-color:#b78b31}.qualification-step.level-special>strong{color:#f4d58d}.step-number{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:50%;background:#fff;color:#17365c;font-weight:800}.award-shell{max-width:680px;margin:24px auto;box-shadow:0 14px 35px #102b5422}.award-shell canvas{display:block;width:100%;height:auto}.ai-staff{display:flex;gap:24px;align-items:center;background:#eef4fc;padding:24px;border-radius:20px;margin:30px 0}.ai-staff img{width:120px;height:160px;object-fit:cover;border-radius:14px}.certification-rules summary{font-weight:800;font-size:1.15rem;cursor:pointer}.certification-rules li{margin:16px 0;line-height:1.9}.assessment-form,.print-review-form{margin-top:20px}.qualification-step p{line-height:1.8}@media(max-width:700px){.qualification-steps{grid-template-columns:1fr}.qualification-step{padding:22px}.ai-staff{align-items:flex-start;gap:14px}.ai-staff img{width:80px;height:108px}}
.sample-preview{margin:24px 0}.sample-preview summary{font-size:1.1rem;font-weight:800;cursor:pointer}.sample-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:20px 0}.sample-grid a{display:flex;flex-direction:column;align-items:center;gap:12px}.sample-grid img{width:100%;max-height:360px;object-fit:contain}@media(max-width:600px){.sample-grid{grid-template-columns:1fr}}
.instructor-school{border:1px solid #d1dce9;border-radius:14px;padding:20px;margin:20px 0}.instructor-school legend{font-weight:800;color:#173e75;padding:0 10px}.instructor-summary{border-top:4px solid #245c9e}.instructor-summary p{overflow-wrap:anywhere}#instructor-profile-form fieldset{min-width:0}#instructor-profile-form input[readonly]{background:#edf2f8;color:#37475b}#instructor-results{margin-top:24px}

.training-infographic{max-width:760px;margin:1rem auto 2rem}.training-infographic img{max-height:none;height:auto;width:100%}

.post-reading-list{margin-top:2rem}.post-reading-list .is-current{background:#e9f1ff;border:2px solid #245a9b}.post-reading-list .board-title-link{min-height:56px}.post-reading-list .board-title-link strong{white-space:normal;overflow-wrap:anywhere}.post-reading-list #more-board-posts{margin-top:1rem}

.post-image-zoomable{cursor:zoom-in}.post-image-zoomable:focus-visible{outline:3px solid #1b65c6;outline-offset:4px}
.post-image-viewer{position:fixed;inset:0;width:94vw;max-width:1200px;height:88vh;height:88dvh;max-height:94dvh;margin:auto;padding:0;border:1px solid #7895bb;border-radius:18px;background:#f4f7fc;color:#102b50;overflow:hidden;box-shadow:0 16px 60px #0007}
.post-image-viewer[open]{display:flex;flex-direction:column}.post-image-viewer::backdrop{background:rgba(9,24,44,.65)}
.image-viewer-toolbar{display:flex;gap:8px;justify-content:center;align-items:center;flex-shrink:0;padding:12px;background:#102b50}.image-viewer-toolbar button{min-height:46px;min-width:46px;padding:8px 12px;background:white;color:#102b50;border:1px solid #b9c8db;border-radius:10px;font-size:1rem;font-weight:700}.image-viewer-toolbar button:disabled{opacity:.45}.image-viewer-help{margin:8px 12px;font-size:.9rem;text-align:center;flex-shrink:0}.image-viewer-stage{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding:8px;-webkit-overflow-scrolling:touch}.image-viewer-stage img{display:block;max-width:none;height:auto;margin:0;object-fit:contain}.image-viewer-toolbar [data-image-close]{margin-left:auto}

.ebook-cover{display:block;height:240px;max-width:100%;object-fit:contain;margin:20px auto}.ebook-reader .actions{align-items:end;flex-wrap:wrap}.ebook-reader label{margin:0}.ebook-reader input{width:100px}.ebook-scroll{overflow:auto;padding:12px;background:#dce3ed;border-radius:12px}#ebook-pages{display:flex;gap:12px;align-items:flex-start;width:max-content;min-width:100%;justify-content:center}#ebook-pages canvas{box-shadow:0 4px 18px #102a5630;background:white}.ebook-reader{padding:16px}
.ebook-card-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:14px 0}.ebook-card-actions>.primary,.ebook-card-actions>.secondary,.ebook-card-actions .post-share>button{display:flex;align-items:center;justify-content:center;min-width:0;min-height:52px;margin:0;padding:10px 8px;white-space:nowrap;text-align:center;font-size:16px}.ebook-card-actions .post-share{display:contents}.ebook-card-actions .post-share button{width:100%}@media(max-width:420px){.ebook-card-actions{gap:5px}.ebook-card-actions>.primary,.ebook-card-actions>.secondary,.ebook-card-actions .post-share>button{padding:9px 4px;font-size:15px}}

.book-order-row{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid #ccd7e6;border-radius:12px;padding:12px;margin:10px 0;background:#fff}.book-order-row>span{overflow-wrap:anywhere;flex:1}.book-order-row .actions{margin:0;gap:6px}.book-order-row button{padding:8px 12px;min-height:44px}.page-book-reader .actions{align-items:end;flex-wrap:wrap}.page-book-reader label{margin:0;max-width:100%}.page-book-reader select{max-width:100%}.page-book-reader input{width:90px}.page-book-scroll{overflow:auto;background:#dce3ed;padding:12px;border-radius:12px}#page-book-spread{display:grid;gap:12px;align-items:start}.book-sheet{background:#fff;padding:20px;box-shadow:0 3px 12px #102a5620;min-height:360px;overflow-wrap:anywhere}.book-sheet h3{font-size:1.15em;line-height:1.5}.book-sheet img{display:block;width:100%;height:auto}.book-page-text{white-space:pre-wrap;line-height:1.85;margin-top:20px}#book-page-editor{scroll-margin-top:30px}.book-feedback,#order-feedback{white-space:pre-wrap;color:#164b86}@media(max-width:600px){.book-order-row{align-items:start;flex-direction:column}.book-sheet{padding:12px}.page-book-reader{padding:12px}.page-book-reader .actions>label{flex:1 1 120px}.page-book-reader select{width:100%}}

.ebook-view-only #ebook-pages,.ebook-view-only #page-book-spread{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.ebook-view-only img{-webkit-user-drag:none;-webkit-touch-callout:none}.ebook-use-notice{font-size:15px;color:#49617f;border-bottom:1px solid #d4deeb;padding-bottom:12px}.ebook-view-only .book-sheet::after{content:'대한AI강사협회 · 열람 전용';display:block;text-align:center;font-size:13px;color:#8292a8;margin-top:20px}@media print{body:has(.ebook-view-only){display:none!important}}

.ebook-page-nav{display:flex;align-items:center;justify-content:center;gap:12px;padding:10px;margin:0;background:#eaf0f8;border:1px solid #ccd7e6;border-radius:12px 12px 0 0}.ebook-page-nav label{display:flex;align-items:center;gap:8px;margin:0}.ebook-page-nav input{width:76px!important;margin:0}.ebook-page-nav button{min-height:48px;white-space:nowrap}.ebook-page-nav+.ebook-scroll,.ebook-page-nav+.page-book-scroll{border-radius:0 0 12px 12px}@media(max-width:420px){.ebook-page-nav{gap:6px;padding:8px 4px}.ebook-page-nav button{padding:10px 14px}.ebook-page-nav label{gap:4px;font-size:16px}.ebook-page-nav input{width:62px!important}}

.ebook-page-nav{scroll-margin-top:8px}.ebook-scroll,.page-book-scroll{overflow-anchor:none}
.ebook-reader-options{margin-bottom:16px}.ebook-toc-panel{border:1px solid #c9d8e9;border-radius:16px;background:#f6f9fd;padding:20px;scroll-margin-top:12px}.ebook-toc-panel[hidden],[hidden]{display:none!important}.ebook-toc-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.ebook-toc-heading h3{margin:8px 0 0}.ebook-toc-heading>span{color:#49617f;font-weight:700;white-space:nowrap}.ebook-toc-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.ebook-toc-item{display:flex;align-items:center;gap:12px;width:100%;min-height:58px;padding:10px 14px;text-align:left;color:#17375e;background:#fff;border:1px solid #ccd7e6;border-radius:12px}.ebook-toc-item:hover,.ebook-toc-item:focus-visible{border-color:#1769c2;background:#edf5ff}.ebook-toc-item>span{display:grid;place-items:center;flex:0 0 38px;height:38px;border-radius:50%;background:#1769c2;color:#fff;font-weight:800}.ebook-toc-item strong{overflow-wrap:anywhere}.ebook-reader-toolbar{position:sticky;top:8px;z-index:8;box-shadow:0 3px 12px #102a5620}.ebook-reader-toolbar strong{min-width:108px;text-align:center;color:#17375e}.book-sheet-placeholder{min-height:1px}@media(max-width:760px){.ebook-toc-panel{padding:14px}.ebook-toc-list{grid-template-columns:1fr}.ebook-reader-toolbar{gap:5px;padding:8px 5px}.ebook-reader-toolbar button{padding:9px 11px;min-height:44px}.ebook-reader-toolbar strong{font-size:15px;min-width:82px}.book-sheet-placeholder{display:none}#page-book-spread{grid-template-columns:1fr!important}}
@media(max-width:760px){.page-book-reader{margin-left:-16px;margin-right:-16px;padding:0 0 12px;border-left:0;border-right:0;border-radius:0}.page-book-reader>.ebook-reader-options{padding:16px 16px 0;margin-bottom:16px}.page-book-reader>.ebook-toc-panel{margin:0 16px}.page-book-scroll{padding:0;background:transparent;border-radius:0;overflow-x:hidden}#page-book-spread{width:100%!important;gap:0}.book-sheet:has(>img){min-height:0;padding:0;box-shadow:none}.book-sheet:has(>img)>p:first-child,.book-sheet:has(>img)>h3{display:none}.book-sheet:has(>img)>img{width:100%;max-width:none;margin:0}}

.board-groups{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0 0 14px}.board-groups a{display:flex;align-items:center;justify-content:center;padding:16px 8px;border:2px solid #174d87;border-radius:12px;color:#174d87;font-size:1.1rem;font-weight:800;text-decoration:none;text-align:center}.board-groups a.active{background:#174d87;color:white}.board-groups a:focus-visible{outline:3px solid #ea940c;outline-offset:3px}

.board-title-row{display:flex;align-items:center;gap:8px}.board-title-row .board-title-link{flex:1;min-width:0}.board-share-button{flex:none;min-height:44px;padding:8px 12px;margin-right:8px;white-space:nowrap}.post-share{padding:12px;border:1px solid #b8cce6;border-radius:12px;background:#edf4ff}.post-share button{font-weight:700}

/* Password recovery contact guidance: scoped to the recovery page. */
.recovery-help{font-size:18px;line-height:1.7;min-width:0}
.recovery-help h2{font-size:clamp(24px,6vw,30px)}
.recovery-contact{background:#fffbea;border:1px solid #e6d88b;border-radius:16px;padding:20px;margin:24px 0}
.recovery-help input,.recovery-help textarea{box-sizing:border-box;width:100%;min-width:0;font-size:18px}
.recovery-help #recovery-kakao-id{font-size:26px;font-weight:700;letter-spacing:1px}
.recovery-help .recovery-contact>button[data-recovery-copy]{min-height:52px;width:100%;box-sizing:border-box;font-size:18px;white-space:normal;margin-top:12px}
.recovery-help .kakao-copy{background:#fee500;color:#191919;border:1px solid #d9c300;border-radius:12px;padding:14px 18px;font-weight:700;cursor:pointer}
.recovery-help button:focus-visible,.recovery-help summary:focus-visible{outline:3px solid #1d4ed8;outline-offset:3px}
.recovery-help ol{padding-left:26px}.recovery-help li{margin:12px 0}
.recovery-help summary{cursor:pointer;font-weight:700;padding:12px 0}
#recovery-copy-status{min-height:1.7em;font-weight:600;overflow-wrap:anywhere}
@media(max-width:480px){.recovery-contact{padding:16px}.recovery-help{padding:20px 16px}}