/*! tailwindcss v4.3.3 | MIT License | https://tailwindcss.com */
@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}*{box-sizing:border-box}body{color:#252538;background:#f7f7fb;margin:0;font-family:Pretendard,Malgun Gothic,system-ui,sans-serif;font-size:16px;line-height:1.7}h1{letter-spacing:-.055em;margin:0 0 1rem;font-size:clamp(1.9rem,4vw,3.3rem);font-weight:750;line-height:1.3}h2{margin:0 0 .7rem;font-size:1.4rem;font-weight:700}h3{font-size:1.1rem;font-weight:700}h1[tabindex="-1"]:focus{outline:none}p{margin:.5rem 0 1rem}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}button,.button{color:#fff;cursor:pointer;background:#24243c;border:1px solid #0000;border-radius:.6rem;justify-content:center;align-items:center;gap:.5rem;min-height:44px;padding:.7rem 1.2rem;font-size:.95rem;font-weight:650;display:inline-flex}button:hover,.button:hover{background:#151628;text-decoration:none}button:disabled{cursor:not-allowed;opacity:.5}input:not([type=checkbox]),select,textarea{color:#252538;width:100%;font:inherit;background:#fff;border:1px solid #c3c3d2;border-radius:.5rem;min-width:0;margin-top:.35rem;padding:.65rem .8rem;display:block}input:focus,select:focus,textarea:focus{outline-offset:1px;outline:3px solid #fcff00}label{font-weight:600;display:block}input[type=checkbox]{accent-color:#24243c;width:18px;height:18px}summary{cursor:pointer;padding:.3rem 0;font-weight:700}details[open] summary{margin-bottom:1.3rem}th,td{text-align:left;white-space:nowrap;border-bottom:1px solid #dce3dd;padding:.8rem}th{color:#536d63;font-size:.85rem}table{border-collapse:collapse;width:100%}}@layer components{.site-header{background:#fff;border-bottom:1px solid #e4e4ec;justify-content:space-between;align-items:center;gap:1.5rem;min-height:92px;padding:1rem max(5vw,1rem);display:flex}.brand{color:#24243c;letter-spacing:-.05em;white-space:nowrap;align-items:center;gap:.7rem;font-size:1.45rem;font-weight:800;display:flex}.brand img{border-radius:50%;width:52px;height:52px}.brand span{letter-spacing:.04em;color:#707086;font-size:.7rem;font-weight:500;display:block}nav{flex-wrap:wrap;gap:1.5rem;font-size:.9rem;font-weight:650;display:flex}.page-container{width:min(1120px,92%);min-height:65vh;margin:2.5rem auto 5rem}.site-footer{text-align:center;color:#73738a;border-top:1px solid #e4e4ec;padding:2rem;font-size:.85rem}.hero{background:#151628;border-radius:1.4rem;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:2.5rem;padding:3rem;display:flex}.hero h1{color:#fff}.hero .eyebrow{color:#fcff00}.hero p{color:#eeeef5}.eyebrow{text-transform:uppercase;letter-spacing:.16em;color:#65657d;margin-bottom:1rem;font-size:.76rem;font-weight:700}.hero-mark{color:#fcff00;border:1px solid #fcff00;border-radius:50%;flex-direction:column;flex-shrink:0;justify-content:center;align-items:center;width:180px;height:180px;font-size:2rem;line-height:1.5;display:flex}.hero-mark span{font-size:.9rem}.panel{background:#fff;border:1px solid #e4e4ec;border-radius:1rem;margin-bottom:1.3rem;padding:1.6rem}.panel .panel{padding:1rem}.stack{flex-direction:column;gap:1rem;display:flex}.stack>button{align-self:flex-start}.auth-shell{max-width:520px;margin:3rem auto}.auth-shell h1{font-size:2.7rem}.auth-shell .panel{margin-top:2rem}.muted{color:#6c6c82;font-size:.9rem}.intro{color:#686881;max-width:720px;margin-bottom:2rem}.notice{color:#725a25;background:#fff7df;border-radius:.6rem;padding:1rem}.section-heading{justify-content:space-between;align-items:center;gap:1rem;margin:1.5rem 0;display:flex}.badge{color:#55520b;white-space:nowrap;background:#fffec2;border-radius:1rem;padding:.2rem .65rem;font-size:.76rem;font-weight:700;display:inline-flex}.card-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:1.5rem;display:grid}.course-card{background:#fff;border:1px solid #e4e4ec;border-radius:1rem;overflow:hidden}.course-card:hover{text-decoration:none;box-shadow:0 8px 24px #15162810}.course-cover{color:#fcff00;background:#212137;flex-direction:column;justify-content:space-between;min-height:150px;padding:1.8rem;display:flex}.course-cover span{letter-spacing:.14em;font-size:.7rem}.course-cover strong{font-size:1.5rem}.card-content{padding:1.5rem}.card-content h3{margin:.6rem 0}.text-link{color:#24243c;margin-top:1rem;font-size:.9rem;font-weight:700;display:inline-block}.empty{text-align:center;padding:4rem 1.5rem}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;display:grid}.check{align-items:center;gap:.6rem;font-weight:500;display:flex}.inline-form{flex-wrap:wrap;align-items:end;gap:.7rem;display:flex}.inline-form label{flex:1}.lesson-list{background:#fff;border:1px solid #e4e4ec;border-radius:1rem;overflow:hidden}.lesson-row{border-bottom:1px solid #e4e4ec;align-items:center;gap:1.2rem;padding:1.3rem;display:flex}.lesson-row:last-child{border:0}.lesson-row>div{flex:1}.lesson-row p{margin:.3rem 0}.lesson-number{color:#7f7f96;font-size:1.3rem;font-weight:700}.lesson-action{flex-wrap:wrap;justify-content:end;gap:.7rem;display:flex}.meta-row{color:#65657d;flex-wrap:wrap;gap:1rem;margin-bottom:2rem;font-size:.85rem;display:flex}.back{color:#686881;margin-bottom:1.5rem;font-size:.9rem;display:inline-block}.player-shell{color:#fff;background:#151628;border-radius:1rem;margin-bottom:1.5rem;padding:1.5rem}#stream-player iframe{aspect-ratio:16/9;border:0;width:100%}#player-status{margin-bottom:.7rem}.player-shell #start-player{color:#151628;background:#fcff00}.question{border-top:1px solid #e4e4ec;margin-top:1.5rem;padding-top:1.5rem}blockquote{background:#f6f6ee;border-left:3px solid #d9da00;padding:1rem}.preserve{white-space:pre-wrap}.upload-box{background:#f5f5fa;border-radius:.7rem;margin:1.5rem 0;padding:1rem}.secondary{color:#33334f;background:#f1f1f8;border-color:#d9d9e6}.secondary:hover{background:#e4e4f1}.table-wrap{overflow-x:auto}.stat-grid{grid-template-columns:repeat(3,1fr);gap:1rem;display:grid}.stat-grid strong{color:#24243c;font-size:2rem;display:block}.stat-grid span{color:#686881;font-size:.85rem}#blazor-error-ui{background:#fff1c7;width:100%;padding:1rem;display:none;position:fixed;bottom:0}@media (max-width:700px){.site-header{flex-direction:column;align-items:flex-start}nav{gap:1rem}.hero{padding:1.8rem}.hero-mark{display:none}.form-grid{grid-template-columns:1fr}.lesson-row{flex-wrap:wrap;align-items:flex-start}.lesson-action{flex-basis:100%}.stat-grid{grid-template-columns:1fr}.auth-shell h1{font-size:2.2rem}}}@layer utilities{.visible{visibility:visible}.static{position:static}.hidden{display:none}}