:root{--ink:#18213d;--muted:#667089;--line:#e1e5ef;--bg:#f5f7fb;--blue:#283ab6;--blue-pale:#edf0ff;--radius:18px;font-family:Inter,Pretendard,"Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}*{box-sizing:border-box}body{margin:0;font-size:16px;line-height:1.6}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button:disabled{cursor:wait;opacity:.55}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #8395fb;outline-offset:4px}[hidden]{display:none!important}.skip{position:fixed;top:-80px;left:12px;z-index:10;background:white;padding:12px}.skip:focus{top:8px}.header{background:#fff;border-bottom:1px solid var(--line)}.header-inner{max-width:1400px;margin:auto;padding:22px 40px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;font-size:21px;font-weight:800;letter-spacing:-.6px}.brand-icon{width:44px;height:44px;display:grid;place-items:center;background:var(--blue);color:#fff;border-radius:13px;font-size:32px;line-height:1}.brand small{display:block;font-size:12px;letter-spacing:.02em;font-weight:500;color:var(--muted);line-height:1.4}.header nav{display:flex;gap:6px;align-items:center}.header nav a{padding:10px 18px;border-radius:10px;font-size:15px;font-weight:700;color:var(--muted)}.header nav a.active{background:var(--blue-pale);color:var(--blue)}#demo-note{padding:10px 24px;background:#eef0fa;color:#465275;font-size:13px;text-align:center;border-bottom:1px solid #dde2f3}#demo-note b{color:#283ab6}#demo-note a{text-decoration:underline;margin-left:14px}main{max-width:1400px;margin:0 auto;padding:36px 40px 56px;min-height:calc(100vh - 190px)}.eyebrow{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.12em;margin:0 0 7px}h1,h2,h3,p{margin-top:0}h1{font-size:32px;line-height:1.3;letter-spacing:-1.3px;margin-bottom:10px}h2{font-size:22px;line-height:1.4;letter-spacing:-.6px}h3{font-size:17px;line-height:1.5;letter-spacing:-.3px}.intro{color:var(--muted);margin-bottom:0;font-size:15px}.page-title{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--blue);color:white;border:1px solid transparent;padding:11px 19px;border-radius:10px;font-weight:700;font-size:15px;min-height:46px;line-height:1.45;text-align:center}.button:hover{background:#1e2e97}.secondary{background:white;color:var(--ink);border-color:var(--line)}.secondary:hover{background:#f4f6fa}.subtle{background:var(--blue-pale);color:var(--blue);border-color:transparent}.subtle:hover{background:#e1e6ff}.danger{background:#bc3347}.danger:hover{background:#a42637}.small{padding:8px 12px;min-height:40px;font-size:14px}.text-button{border:0;background:transparent;padding:9px 4px;font-size:14px;color:var(--muted);font-weight:600}.toolbar{background:#fff;border:1px solid var(--line);border-radius:var(--radius);display:flex;align-items:center;gap:24px;padding:20px 24px;margin-bottom:28px}.toolbar label{font-size:13px;display:block;color:var(--muted);margin-bottom:5px;font-weight:600}.toolbar select{border:0;padding:0 32px 0 0;background-color:white;min-width:240px;font-size:17px;font-weight:700}.toolbar .select-group{flex:1;min-width:0}.status{display:inline-flex;align-items:center;padding:5px 10px;border-radius:7px;background:#e9f4ee;color:#247047;font-size:12px;font-weight:700;white-space:nowrap}.status.closed{background:#edf0f4;color:#667089}.toolbar-info{display:flex;align-items:center;gap:18px}.count{font-size:14px;color:var(--muted);white-space:nowrap}.count strong{color:var(--ink);font-size:23px;margin-left:7px;font-weight:800}.guide-strip{display:flex;align-items:center;gap:10px;color:#59647d;font-size:14px;margin:0 0 22px}.guide-strip .symbol{font-size:18px;color:var(--blue)}.board{display:grid;grid-template-columns:repeat(var(--cols,3),minmax(260px,1fr));align-items:start;gap:20px;overflow-x:auto;padding-bottom:10px}.column{min-width:0;background:#ebeff6;border-radius:18px;padding:15px}.column:nth-child(3n+2){background:#edf0f8}.column:nth-child(3n){background:#f1efe9}.column-head{display:flex;align-items:flex-start;gap:10px;margin-bottom:15px;padding:3px}.step-num{display:grid;place-items:center;background:#dbe2ef;border-radius:8px;width:29px;height:29px;color:#526383;font-size:12px;font-weight:800;flex-shrink:0}.column:nth-child(3n+2) .step-num{background:#dfe1f5;color:#6662a4}.column:nth-child(3n) .step-num{background:#e8e0d0;color:#806c49}.column-head h2{font-size:16px;flex:1;margin:2px 0 0;line-height:1.55}.column-count{color:var(--muted);font-size:13px;margin-top:4px}.card{background:#fff;border:1px solid #e2e7ef;box-shadow:0 3px 5px #22315403;border-radius:13px;padding:19px;margin-bottom:13px}.card:last-child{margin-bottom:0}.card-top{display:flex;align-items:center;gap:9px;margin-bottom:14px}.avatar{display:grid;place-items:center;width:35px;height:35px;border-radius:50%;background:#f3f5fa;font-size:22px;flex-shrink:0}.card-name{font-weight:700;font-size:14px;flex:1}.time{font-size:12px;color:#8b92a4}.card h3{margin-bottom:15px;overflow-wrap:anywhere;min-height:26px}.rule{background:#f6f8fc;border-radius:8px;padding:11px 12px;font-size:14px;line-height:1.65;color:#59647b;margin-bottom:17px;overflow-wrap:anywhere}.rule small{display:block;font-size:11px;font-weight:800;color:#8a94a9;letter-spacing:.07em;margin-bottom:4px}.card-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px}.open-app{display:inline-flex;align-items:center;justify-content:center;gap:16px;background:var(--blue-pale);color:var(--blue);padding:8px 13px;min-height:40px;border-radius:8px;font-size:14px;font-weight:700}.open-app:hover{background:#dee4ff}.comment-button{border:0;background:none;color:#69738b;padding:8px 0;font-size:13px;min-height:40px}.comment-button:hover{color:var(--blue)}.empty-column{text-align:center;padding:42px 5px;color:#7b859b;font-size:14px}.empty-column span{display:block;font-size:28px;color:#aab3c5;margin-bottom:8px}.empty-column a{display:block;margin-top:14px;font-weight:700;color:var(--blue)}.loading,.empty-state{padding:65px 24px;text-align:center;background:white;border:1px solid var(--line);border-radius:var(--radius);color:var(--muted)}.empty-state h2{color:var(--ink)}.error-box{background:#fff3f2;color:#a13b36;border:1px solid #f2d5d3;border-radius:10px;padding:13px 16px;font-size:14px;margin:16px 0}.success-panel{text-align:center;padding:55px 25px;background:white;border:1px solid var(--line);border-radius:var(--radius)}.success-icon{display:grid;place-items:center;width:62px;height:62px;font-size:29px;background:#e8f6ed;color:#28774c;border-radius:50%;margin:0 auto 20px}.success-panel p{color:var(--muted)}.form-layout{display:grid;grid-template-columns:minmax(0,680px) minmax(240px,1fr);gap:36px;align-items:start;max-width:1040px;margin:0 auto}.form-page-title{max-width:1040px;margin:0 auto 28px}.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}.form-section+.form-section{border-top:1px solid var(--line);margin-top:25px;padding-top:25px}.form-section h2{font-size:17px;margin-bottom:18px}.form-section h2 span{font-size:12px;color:var(--blue);margin-right:8px}.field{margin-bottom:20px}.field:last-child{margin-bottom:0}.field label,.field-label{display:block;font-weight:700;font-size:14px;margin-bottom:8px}input,select,textarea{width:100%;border:1px solid #dce1eb;border-radius:9px;padding:11px 13px;background:white;color:var(--ink);min-height:47px}input::placeholder,textarea::placeholder{color:#939aac;font-size:14px}textarea{resize:vertical;min-height:110px}input:focus,select:focus,textarea:focus{border-color:#7587df}fieldset{border:0;padding:0;margin:0;min-width:0}fieldset:disabled{opacity:.5}.hint{font-size:13px;color:var(--muted);margin:6px 0 0;line-height:1.6}.inline-field{display:flex;gap:10px}.inline-field input{min-width:0;flex:1}.inline-field .button{white-space:nowrap}.code-success{font-size:14px;color:#27784d;margin-top:12px;padding:12px;background:#f0f8f2;border-radius:8px}.grid-two{display:grid;grid-template-columns:1fr 1fr;gap:16px}.submit-footer{margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}.submit-footer .button{width:100%;margin-top:15px}.aside-note{padding:22px 0;color:var(--muted);font-size:14px}.aside-note h2{font-size:16px;color:var(--ink)}.aside-note ul{padding-left:20px;margin-bottom:25px}.aside-note li{margin-bottom:11px}.example-label{display:inline-block;padding:4px 8px;border-radius:6px;background:#e7ecf5;color:#64718d;font-size:11px;font-weight:700;letter-spacing:.05em;margin-bottom:12px}.footer{max-width:1400px;margin:0 auto;padding:22px 40px 28px;display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);font-size:12px;color:#8a93a6}.footer span:first-child{color:#68748d}#toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);max-width:calc(100% - 32px);background:#1b2542;color:white;padding:12px 22px;border-radius:12px;opacity:0;pointer-events:none;transition:.2s;z-index:20;font-size:14px;box-shadow:0 6px 25px #17214226}#toast.show{opacity:1;transform:translate(-50%,0)}dialog{border:1px solid var(--line);border-radius:20px;padding:28px;width:min(520px,calc(100% - 32px));max-height:85vh;overflow:auto;color:var(--ink);box-shadow:0 20px 90px #18213d30}dialog::backdrop{background:#15213d66;backdrop-filter:blur(3px)}.dialog-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.dialog-head h2{font-size:21px;margin-bottom:7px}.close-dialog{font-size:25px;border:0;background:#f3f5fa;border-radius:50%;width:36px;height:36px;flex-shrink:0}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:25px}.comment-list{margin:20px 0;max-height:280px;overflow:auto}.comment-item{padding:13px 0;border-bottom:1px solid var(--line)}.comment-item .meta{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:5px}.comment-item p{font-size:15px;margin:0;overflow-wrap:anywhere}.comment-empty{color:var(--muted);font-size:14px;padding:16px 0}.admin-login{max-width:440px;margin:55px auto}.admin-layout{display:grid;grid-template-columns:340px minmax(0,1fr);gap:26px;align-items:start}.admin-layout .panel{margin-bottom:24px}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:24px}.stat{background:white;border:1px solid var(--line);border-radius:14px;padding:18px}.stat span{display:block;color:var(--muted);font-size:13px}.stat strong{font-size:30px}.admin-training{padding:22px;border:1px solid var(--line);background:white;border-radius:16px;margin-bottom:18px}.admin-training-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.admin-training h3{margin-bottom:4px}.admin-training code{font-size:13px;background:#edf0f7;padding:3px 7px;border-radius:5px}.admin-training .meta{font-size:13px;color:var(--muted)}.practice-stats{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.practice-stats span{font-size:12px;background:#f4f6fa;border-radius:6px;padding:5px 9px;color:var(--muted)}.admin-cards{margin-top:20px;border-top:1px solid var(--line)}.admin-row{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid #edf0f5;font-size:14px}.admin-row .row-main{flex:1;min-width:0}.admin-row small{display:block;color:var(--muted);font-size:12px}.admin-row p{margin:0;overflow-wrap:anywhere}.hidden-card{opacity:.55}.admin-notice{padding:10px 14px;background:#fff5db;color:#83682e;border-radius:8px;font-size:13px;margin-bottom:24px}.mobile-tip{display:none}.refresh{display:inline-flex;align-items:center;gap:6px;font-size:13px}.nowrap{white-space:nowrap}@media(min-width:1250px){.board{grid-template-columns:repeat(var(--cols,3),minmax(310px,1fr))}}@media(max-width:1000px){main{padding:30px 24px 44px}.header-inner{padding:20px 24px}.board{grid-template-columns:repeat(var(--cols,3),minmax(275px,1fr))}.form-layout{grid-template-columns:minmax(0,1fr) 250px;gap:24px}.admin-layout{grid-template-columns:300px minmax(0,1fr)}.footer{padding:22px 24px}}@media(max-width:700px){body{font-size:16px}.header-inner{padding:17px 18px;gap:10px}.brand{font-size:18px;gap:8px}.brand-icon{width:36px;height:36px;border-radius:10px;font-size:27px}.brand small{font-size:10px}.header nav{gap:2px}.header nav a{padding:9px 10px;font-size:13px}.header nav a span{display:none}#demo-note{font-size:12px;padding:9px 18px;text-align:left}#demo-note a{margin-left:7px}main{padding:25px 18px 36px}h1{font-size:27px}.eyebrow{font-size:11px}.page-title{align-items:center;gap:10px;margin-bottom:22px}.page-title>.button{display:none}.intro{font-size:14px;max-width:260px}.toolbar{flex-wrap:wrap;padding:17px 18px;gap:13px;margin-bottom:18px}.toolbar .select-group{width:100%;flex:auto}.toolbar select{min-width:0;width:100%;font-size:16px}.toolbar-info{width:100%;justify-content:space-between;border-top:1px solid var(--line);padding-top:12px}.count strong{font-size:19px}.guide-strip{font-size:13px;margin-bottom:13px}.board{display:flex;gap:14px;scroll-snap-type:x mandatory;padding-bottom:16px}.column{flex:0 0 calc(100vw - 50px);scroll-snap-align:start;padding:13px}.column-head{margin-bottom:13px}.card{padding:18px}.mobile-tip{display:block;color:var(--muted);font-size:12px;text-align:right;margin:0 0 9px}.form-layout{display:block}.form-layout aside{margin-top:12px}.panel{padding:22px 18px}.grid-two{grid-template-columns:1fr;gap:0}.form-page-title{margin-bottom:22px}.aside-note{padding:14px 3px}.aside-note .card{max-width:350px}.footer{padding:20px 18px;flex-direction:column;gap:5px;font-size:11px}.admin-layout{display:flex;flex-direction:column}.admin-layout>div{width:100%}.admin-login{margin:20px auto}.stat-grid{gap:8px}.stat{padding:13px}.stat strong{font-size:26px}.stat span{font-size:12px}.admin-training{padding:18px}.admin-training-head{flex-wrap:wrap;gap:12px}.admin-row{align-items:flex-start}.admin-row .small{white-space:nowrap}dialog{padding:22px}.dialog-head h2{font-size:20px}.success-panel{padding:40px 18px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
/* Link previews and the expanded app card */
.link-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#edf1f8;color:#526786;border-radius:11px;isolation:isolate}.link-media.canva{background:#e7f5f4;color:#236a78}.link-media.gemini{background:#edf0ff;color:#5266ad}.media-fallback{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:22px 12px;text-align:center}.provider-symbol{font-size:28px;line-height:1.1;font-weight:800;opacity:.7}.media-fallback strong{font-size:15px}.media-message{font-size:11px;color:#6d788e}.provider-tag{position:absolute;bottom:10px;left:10px;z-index:2;background:#fffffff2;border:1px solid #e2e6ef;border-radius:6px;padding:3px 8px;color:#485674;font-size:11px;font-weight:700}.link-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1;background:white}.preview-trigger{display:block;width:100%;padding:0;margin:0 0 15px;border:0;background:none;text-align:left;border-radius:11px;cursor:zoom-in}.preview-trigger:hover .link-media{box-shadow:0 0 0 2px #b1bdec}.card-title{display:block;text-align:left;width:100%;padding:0;border:0;background:none;color:inherit;font-size:inherit;line-height:inherit;font-weight:inherit;cursor:zoom-in}.card-title:hover{color:var(--blue)}.card-preview-label{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:11px;padding-top:7px}.card:not(.form-card){cursor:pointer}.card .rule{margin-bottom:13px}.link-preview-box{margin-top:13px}.link-result{border:1px solid var(--line);border-radius:12px;overflow:hidden;display:grid;grid-template-columns:150px minmax(0,1fr);background:#fafbfe}.link-result .link-media{border-radius:0;aspect-ratio:auto;min-height:140px}.link-result-text{padding:14px;min-width:0}.link-result-text strong{display:block;font-size:14px;line-height:1.5;overflow-wrap:anywhere}.link-host{display:block;font-size:11px;color:var(--muted);overflow-wrap:anywhere;margin-bottom:5px}.link-result-text p{font-size:12px;margin:6px 0;color:var(--muted);overflow-wrap:anywhere}.link-result-text small{display:block;margin-top:8px;color:#7e889e;font-size:11px;line-height:1.5}.link-checking{padding:14px;border:1px dashed #c8d1e7;border-radius:10px;font-size:13px;color:var(--muted);background:#f8faff}.preview-hint{display:flex;justify-content:space-between;gap:10px;align-items:center}.preview-hint .text-button{white-space:nowrap;font-size:12px}.app-detail{width:min(1080px,calc(100% - 40px));max-height:92vh;padding:0;overflow:auto}.detail-top{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;padding:25px 28px;border-bottom:1px solid var(--line)}.detail-top .eyebrow{margin-bottom:6px}.detail-top h2{font-size:23px;margin:0 0 8px;overflow-wrap:anywhere}.detail-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--muted)}.detail-meta .avatar{width:28px;height:28px;font-size:18px}.detail-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,1fr)}.detail-overview{padding:26px 28px;background:#fafbfe;min-width:0}.detail-overview .link-media{aspect-ratio:16/10;background-color:#eef1f8}.link-media.large .provider-symbol{font-size:45px}.link-media.large .media-fallback strong{font-size:20px}.detail-overview .rule{margin:22px 0 18px;font-size:15px;background:#fff;border:1px solid var(--line)}.detail-preview-title{font-size:16px;line-height:1.5;margin:18px 0 7px;overflow-wrap:anywhere}.detail-preview-description{font-size:14px;line-height:1.7;color:var(--muted);overflow-wrap:anywhere}.detail-link{display:block;font-size:12px;line-height:1.7;color:var(--muted);overflow-wrap:anywhere;text-decoration:underline;margin-bottom:17px}.detail-overview>.button{width:100%;margin-top:2px}.image-disclaimer{font-size:12px;line-height:1.6;color:#7b859b;margin:9px 0 0}.detail-comments{padding:26px 28px;border-left:1px solid var(--line);min-width:0}.detail-comments h3{margin-bottom:5px}.detail-comments .intro{font-size:13px}.detail-comments .comment-list{max-height:240px}.detail-comments .button{width:100%}.detail-comments .field{margin-bottom:14px}@media(max-width:700px){.app-detail{width:calc(100% - 20px);max-height:94vh;border-radius:16px}.detail-top{padding:20px 18px}.detail-top h2{font-size:21px}.detail-grid{display:block}.detail-overview{padding:20px 18px}.detail-overview .link-media{aspect-ratio:16/9}.detail-comments{padding:22px 18px;border-left:0;border-top:1px solid var(--line)}.link-result{grid-template-columns:105px minmax(0,1fr)}.link-result .provider-tag{display:none}.link-result .media-fallback{padding:15px 8px}.link-result .media-message{font-size:10px}.link-result-text{padding:11px}.preview-hint{align-items:flex-start}.preview-hint .hint{font-size:12px}.link-result-text small{font-size:11px}}

.admin-training-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap;flex-shrink:0}.admin-copy-note{background:var(--blue-pale);border:1px solid #dce2ff;border-radius:10px;padding:12px 14px;margin-bottom:20px}.admin-copy-note p{font-size:13px;color:var(--blue);margin:0;overflow-wrap:anywhere}.admin-copy-note .text-button{color:var(--blue);padding-bottom:0}#training-editor{scroll-margin-top:24px}.admin-training-head>div:first-child{min-width:0}.admin-training h3{overflow-wrap:anywhere}@media(max-width:700px){.admin-training-actions{justify-content:flex-start}}