.lecture-kiosk[hidden]{display:none}.lecture-kiosk{position:fixed;inset:5vh 8vw;z-index:1100;padding:24px;background:rgba(255,252,245,.98);color:#24364a;border:1px solid #d8c397;border-radius:24px;box-shadow:0 20px 80px #172a4560;display:grid;grid-template-columns:minmax(240px,1fr) minmax(240px,1fr);gap:14px;overflow:auto;font-family:inherit}.lecture-kiosk header,.lecture-kiosk>input,.lecture-kiosk>p,.lecture-kiosk>a{grid-column:1/-1}.lecture-kiosk header{display:flex;align-items:center;justify-content:space-between}.lecture-kiosk h2{margin:0}.lecture-kiosk button,.lecture-kiosk input,.lecture-kiosk a{font:inherit;border:1px solid #d2dfef;border-radius:12px;padding:10px;background:#fff;color:#214b80}.lecture-kiosk a{display:inline-block;margin:5px;text-decoration:none}.lecture-kiosk input{min-width:0}.lecture-course-list{overflow:auto;max-height:54vh;display:flex;flex-direction:column;gap:10px}.lecture-course-card{text-align:left;display:grid;grid-template-columns:110px 1fr;gap:8px;cursor:pointer}.lecture-course-card img{width:110px;height:72px;object-fit:cover;grid-row:1/3;border-radius:8px}.lecture-course-detail{overflow:auto;max-height:54vh}.lecture-course-detail video{width:100%;max-height:280px;background:#152746}.lecture-kiosk button:focus-visible,.lecture-kiosk a:focus-visible{outline:3px solid #4782cc}@media(max-width:640px){.lecture-kiosk{inset:12px;padding:16px;grid-template-columns:minmax(0,1fr);border-radius:18px;gap:10px}.lecture-course-list{max-height:30vh}.lecture-course-detail{max-height:30vh}.lecture-kiosk h2{font-size:19px}}
.lecture-lounge-active .recenter-button{bottom:calc(260px + env(safe-area-inset-bottom,0px))}
@media(max-width:640px){.lecture-lounge-active .recenter-button{bottom:calc(190px + env(safe-area-inset-bottom,0px))}}

.lecture-kiosk>select{grid-column:1/-1;font:inherit;padding:10px;border:1px solid #d2dfef;border-radius:12px;background:#fff;color:#214b80}

.lecture-course-card>span:last-child{grid-column:1/-1}
.lecture-course-card{position:relative;text-align:left;color:#3b536d;background:#fff;border-color:#dce3ea;transition:background-color .12s ease,border-color .12s ease,box-shadow .12s ease}
.lecture-course-card:hover:not([aria-pressed="true"]){background:#f7f9fb;border-color:#c4d0da}
.lecture-course-card[aria-pressed="true"]{background:#eef3f7;border-color:#54748f;box-shadow:inset 3px 0 0 #315d7b;color:#173b59}
.lecture-course-card[aria-pressed="true"] strong{color:#173b59}
.lecture-course-card:focus-visible{outline:3px solid #315d7b;outline-offset:2px}
.lecture-course-empty{padding:18px;color:#647487;border:1px dashed #cdd6de;border-radius:12px;background:#fafbfc;line-height:1.5}

.lecture-live-notice[hidden]{display:none}
.lecture-live-notice,.lecture-live-notice *{box-sizing:border-box}
.lecture-live-notice{position:fixed;inset:0;z-index:1200;color:#24364a;font-family:inherit}
.lecture-live-backdrop{display:grid;place-items:center;width:100%;height:100%;padding:max(16px,env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) max(16px,env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));background:rgba(17,29,43,.42);pointer-events:auto}
.lecture-live-dialog{width:min(430px,100%);padding:22px 24px 20px;background:#fffdfa;border:1px solid #d9e0e6;border-radius:16px;box-shadow:0 16px 44px rgba(18,32,48,.22)}
.lecture-live-dialog header{display:flex;align-items:center;justify-content:space-between;gap:14px}
.lecture-live-dialog h2{margin:0;color:#173b59;font-size:20px;letter-spacing:-.02em}
.lecture-live-dialog p{margin:12px 0 20px;color:#586b7d;font-size:14px;line-height:1.6}
.lecture-live-dialog button{min-height:44px;padding:0 15px;border:1px solid #cbd6df;border-radius:10px;background:#fff;color:#234965;font:inherit;font-weight:650;cursor:pointer}
.lecture-live-dialog footer{display:flex;justify-content:flex-end}
.lecture-live-dialog footer button{min-width:100px;background:#214a6b;color:#fff;border-color:#214a6b}
.lecture-live-dialog button:focus-visible{outline:3px solid #47799d;outline-offset:2px}
@media(max-width:600px){.lecture-live-backdrop{align-items:center;padding:16px}.lecture-live-dialog{padding:19px 18px 16px;border-radius:14px}.lecture-live-dialog h2{font-size:18px}}

/* Video classroom course-discovery room: the existing 2.5D lounge remains the
	backdrop; this panel is the room's primary interaction, not a desk modal. */
.lecture-discovery-active .lecture-kiosk[hidden]{display:none!important}
.lecture-discovery-active .lecture-kiosk{box-sizing:border-box;position:fixed;z-index:18;inset:76px 18px 18px;display:grid;grid-template-rows:auto auto minmax(0,1fr) auto;gap:12px;padding:16px 18px 10px;border:1px solid rgba(255,255,255,.48);border-radius:25px;background:linear-gradient(135deg,rgba(255,250,238,.78),rgba(252,249,243,.68) 55%,rgba(239,245,242,.7));box-shadow:0 20px 58px rgba(26,42,53,.23),inset 0 1px 0 rgba(255,255,255,.78);backdrop-filter:blur(16px) saturate(1.14);color:#203a50;font-family:system-ui,-apple-system,"Segoe UI","Noto Sans KR",sans-serif;overflow:hidden;pointer-events:auto}
.lecture-discovery-active .lecture-kiosk *{box-sizing:border-box}
.lecture-discovery-active .lecture-discovery-header,.lecture-discovery-active .lecture-discovery-categories,.lecture-discovery-active .lecture-discovery-layout,.lecture-discovery-active .lecture-discovery-footer{pointer-events:auto}
.lecture-discovery-active .lecture-discovery-header{display:grid;grid-template-columns:minmax(185px,1fr) minmax(260px,470px) 42px;align-items:center;gap:18px;min-width:0;padding:0 5px}
.lecture-discovery-active .lecture-discovery-heading{min-width:0}.lecture-discovery-active .lecture-discovery-eyebrow{display:block;margin-bottom:3px;color:#a16f35;font-size:10px;font-weight:850;letter-spacing:.16em}.lecture-discovery-active .lecture-discovery-heading h2{margin:0;color:#183c5a;font-size:clamp(20px,2vw,28px);line-height:1.1;letter-spacing:-.04em}
.lecture-discovery-active .lecture-discovery-search{height:46px;display:flex;align-items:center;gap:9px;padding:0 15px;border:1px solid rgba(78,101,119,.18);border-radius:999px;background:rgba(255,255,255,.89);box-shadow:0 5px 18px rgba(52,65,76,.08);color:#667a8c;font-size:23px}.lecture-discovery-active .lecture-discovery-search input{width:100%;min-width:0;border:0;outline:0;background:transparent;color:#26445e;font:500 14px/1.2 inherit;box-shadow:none}.lecture-discovery-active .lecture-discovery-search input::placeholder{color:#8795a0}.lecture-discovery-active .lecture-discovery-search:focus-within{border-color:#5499e8;box-shadow:0 0 0 3px rgba(72,145,229,.15)}
.lecture-discovery-active .lecture-discovery-close{width:42px;height:42px;padding:0;border:1px solid rgba(55,77,94,.15);border-radius:50%;background:rgba(255,255,255,.75);color:#345169;font:400 27px/1 inherit;cursor:pointer;pointer-events:auto}.lecture-discovery-active .lecture-discovery-close:hover{background:#fff}
.lecture-discovery-active .lecture-discovery-categories{display:flex;gap:8px;align-items:center;overflow-x:auto;scrollbar-width:none;padding:1px 4px 4px}.lecture-discovery-active .lecture-discovery-categories::-webkit-scrollbar{display:none}.lecture-discovery-active .lecture-category-chip{flex:none;min-height:36px;padding:0 16px;border:1px solid rgba(50,70,89,.17);border-radius:999px;background:rgba(24,43,60,.89);color:#f7f6f0;font:650 12px/1 inherit;cursor:pointer;box-shadow:0 3px 8px rgba(23,41,54,.1);transition:transform .16s,background .16s,border-color .16s}.lecture-discovery-active .lecture-category-chip:hover{transform:translateY(-1px);background:#315b7e}.lecture-discovery-active .lecture-category-chip[aria-pressed="true"]{background:linear-gradient(135deg,#438ef5,#2e73d3);border-color:#b9dcff;color:#fff;box-shadow:0 5px 14px rgba(47,121,221,.3)}
.lecture-discovery-active .lecture-discovery-layout{min-height:0;display:grid;grid-template-columns:minmax(0,1fr) minmax(285px,350px);gap:16px;align-items:stretch}.lecture-discovery-active .lecture-carousel-column{min-width:0;min-height:0;display:grid;grid-template-rows:minmax(0,1fr) auto;align-items:center}.lecture-discovery-active .lecture-carousel{position:relative;min-width:0;min-height:260px;height:100%;display:grid;place-items:center;perspective:1100px;touch-action:pan-y;user-select:none;outline:0}.lecture-discovery-active .lecture-carousel-track{position:relative;width:min(100%,810px);height:min(100%,390px);display:grid;place-items:center;transform-style:preserve-3d}.lecture-discovery-active .lecture-course-card{position:absolute;top:50%;left:50%;width:clamp(190px,28vw,285px);height:clamp(235px,39vh,330px);display:flex;flex-direction:column;overflow:hidden;padding:0;border:1px solid rgba(255,255,255,.9);border-radius:20px;background:#172b46;color:white;text-align:left;box-shadow:0 14px 28px rgba(17,30,47,.27);cursor:pointer;transform-origin:center 72%;transition:transform .38s cubic-bezier(.2,.74,.22,1),opacity .3s,box-shadow .3s;will-change:transform,opacity}
.lecture-discovery-active .lecture-course-card.is-selected{z-index:3;transform:translate(-50%,-50%) translateZ(80px) scale(1.03);border:2px solid #f7fbff;box-shadow:0 0 0 3px rgba(91,169,255,.65),0 18px 45px rgba(17,53,87,.4),0 0 28px rgba(88,162,247,.28)}.lecture-discovery-active .lecture-course-card.is-previous{z-index:2;opacity:.88;transform:translate(calc(-50% - min(17vw,210px)), -50%) rotateY(13deg) scale(.84)}.lecture-discovery-active .lecture-course-card.is-next{z-index:2;opacity:.88;transform:translate(calc(-50% + min(17vw,210px)), -50%) rotateY(-13deg) scale(.84)}.lecture-discovery-active .lecture-course-card:hover{filter:brightness(1.04)}.lecture-discovery-active .lecture-course-card:focus-visible{outline:3px solid #73b7ff;outline-offset:5px}
.lecture-discovery-active .lecture-card-art{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:linear-gradient(145deg,#28537c,#102b4a 54%,#b67742)}.lecture-discovery-active .lecture-card-placeholder{display:grid;place-items:center;font-size:82px;color:rgba(255,255,255,.85);background:radial-gradient(ellipse at 50% 40%,#5fa6cf,#264c73 55%,#132b43)}.lecture-discovery-active .lecture-card-placeholder.is-ai{background:radial-gradient(ellipse at 60% 35%,#8570d0,#294e7e 55%,#10233f)}.lecture-discovery-active .lecture-card-shade{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:space-between;padding:13px;background:linear-gradient(180deg,rgba(12,26,43,.14) 10%,rgba(11,27,45,.12) 35%,rgba(8,21,37,.92) 100%)}.lecture-discovery-active .lecture-card-category,.lecture-discovery-active .lecture-card-status{position:absolute;top:12px;left:12px}.lecture-discovery-active .lecture-card-status{left:auto;right:12px}.lecture-discovery-active .lecture-card-category,.lecture-discovery-active .lecture-detail-category{padding:5px 9px;border-radius:8px;background:rgba(81,111,238,.88);color:white;font-size:10px;font-weight:800;letter-spacing:.03em}.lecture-discovery-active .lecture-card-status{padding:5px 9px;border-radius:999px;background:#21ad69;color:white;font-size:10px;font-weight:800;box-shadow:0 3px 10px rgba(0,0,0,.18)}.lecture-discovery-active .lecture-card-status.is-complete{background:#347b5b}.lecture-discovery-active .lecture-card-status.is-free{background:#2784ce}.lecture-discovery-active .lecture-card-status.is-neutral{background:#5d7180}.lecture-discovery-active .lecture-card-copy{margin-top:auto;display:grid;gap:7px}.lecture-discovery-active .lecture-card-copy strong{display:-webkit-box;overflow:hidden;color:#fff;font-size:clamp(16px,1.45vw,20px);font-weight:850;line-height:1.25;letter-spacing:-.03em;-webkit-line-clamp:2;-webkit-box-orient:vertical}.lecture-discovery-active .lecture-card-copy>span{display:-webkit-box;overflow:hidden;color:rgba(255,255,255,.82);font-size:11px;line-height:1.4;-webkit-line-clamp:2;-webkit-box-orient:vertical}.lecture-discovery-active .lecture-card-meta{display:flex;justify-content:space-between;gap:8px;margin-top:5px;color:rgba(255,255,255,.84);font-size:9px;white-space:nowrap}.lecture-discovery-active .lecture-card-meta span{overflow:hidden;text-overflow:ellipsis}.lecture-discovery-active .lecture-card-progress{display:flex;align-items:center;gap:8px;margin-top:4px}.lecture-discovery-active .lecture-card-progress:before{content:"";position:absolute;left:13px;right:43px;height:6px;border-radius:99px;background:rgba(255,255,255,.3)}.lecture-discovery-active .lecture-card-progress>span{position:relative;height:6px;border-radius:99px;background:#5da3ff}.lecture-discovery-active .lecture-card-progress b{position:absolute;right:14px;font-size:10px;color:white}
.lecture-discovery-active .lecture-carousel-arrow{position:absolute;z-index:5;top:50%;width:42px;height:42px;padding:0;border:1px solid rgba(255,255,255,.88);border-radius:50%;background:rgba(25,43,59,.87);color:white;font:400 31px/1 inherit;transform:translateY(-50%);cursor:pointer;box-shadow:0 5px 18px rgba(15,29,43,.24)}.lecture-discovery-active .lecture-carousel-prev{left:clamp(3px,3vw,32px)}.lecture-discovery-active .lecture-carousel-next{right:clamp(3px,3vw,32px)}.lecture-discovery-active .lecture-carousel-arrow:disabled{opacity:.38;cursor:default}.lecture-discovery-active .lecture-carousel-hint{justify-self:center;margin:5px 0 0;padding:7px 14px;border:1px solid rgba(255,255,255,.48);border-radius:999px;background:rgba(38,53,62,.66);color:white;font-size:11px;text-align:center;backdrop-filter:blur(8px)}.lecture-discovery-active .lecture-carousel-empty{grid-column:1/-1;align-self:center;justify-self:center;display:grid;justify-items:center;gap:10px;max-width:320px;padding:30px 20px;border:1px dashed rgba(50,73,91,.25);border-radius:20px;background:rgba(255,255,255,.7);color:#244560;text-align:center}.lecture-discovery-active .lecture-empty-icon{font-size:32px;color:#d39b4f}.lecture-discovery-active .lecture-carousel-empty p{margin:0;color:#71818e;font-size:12px}
.lecture-discovery-active .lecture-course-detail{min-width:0;min-height:0;display:flex;flex-direction:column;gap:10px;overflow:auto;padding:12px;border:1px solid rgba(255,255,255,.8);border-radius:20px;background:rgba(255,255,255,.93);box-shadow:0 12px 32px rgba(32,45,54,.16);color:#203c54;scrollbar-width:thin}.lecture-discovery-active .lecture-detail-hero{position:relative;flex:none;height:clamp(100px,17vh,155px);overflow:hidden;border-radius:13px;background:linear-gradient(135deg,#598fc2,#1c4268 58%,#d6a86b)}.lecture-discovery-active .lecture-detail-hero img{width:100%;height:100%;object-fit:cover}.lecture-discovery-active .lecture-detail-hero .lecture-card-status{top:9px;right:9px;left:auto}.lecture-discovery-active .lecture-detail-category{align-self:flex-start;background:#e5efff;color:#2d71bc}.lecture-discovery-active .lecture-detail-title{margin:0;color:#172f46;font-size:clamp(17px,1.45vw,21px);line-height:1.22;letter-spacing:-.035em}.lecture-discovery-active .lecture-detail-summary{display:-webkit-box;overflow:hidden;margin:0;color:#61707d;font-size:11px;line-height:1.48;-webkit-line-clamp:3;-webkit-box-orient:vertical}.lecture-discovery-active .lecture-detail-instructor{display:grid;grid-template-columns:auto 38px 1fr;align-items:center;gap:9px;padding:8px 0;border-top:1px solid #edf0f2;border-bottom:1px solid #edf0f2}.lecture-discovery-active .lecture-detail-overline{color:#83909b;font-size:9px;font-weight:750;letter-spacing:.08em}.lecture-discovery-active .lecture-instructor-avatar{width:36px;height:36px;display:grid;place-items:center;border:1px solid #ead8b5;border-radius:50%;background:linear-gradient(135deg,#f3e6d0,#c5d5e0);color:#477194;font-size:19px}.lecture-discovery-active .lecture-instructor-copy{min-width:0;display:grid;gap:2px}.lecture-discovery-active .lecture-instructor-copy strong{overflow:hidden;color:#29455d;font-size:11px;text-overflow:ellipsis;white-space:nowrap}.lecture-discovery-active .lecture-instructor-copy small{overflow:hidden;color:#87939c;font-size:9px;text-overflow:ellipsis;white-space:nowrap}.lecture-discovery-active .lecture-detail-progress{display:grid;gap:6px}.lecture-discovery-active .lecture-progress-rail{height:8px;overflow:hidden;border-radius:99px;background:#e4e9ef}.lecture-discovery-active .lecture-progress-rail span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#498af1,#53b1ec)}.lecture-discovery-active .lecture-detail-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:5px;padding:5px 0}.lecture-discovery-active .lecture-detail-fact{min-width:0;display:grid;justify-items:center;gap:4px;color:#526678;font-size:9px;text-align:center}.lecture-discovery-active .lecture-fact-icon{color:#758b9b;font-size:16px}.lecture-discovery-active .lecture-detail-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;margin-top:auto}.lecture-discovery-active .lecture-action,.lecture-discovery-active .lecture-primary-action,.lecture-discovery-active .lecture-secondary-action{min-height:42px;display:flex;align-items:center;justify-content:center;gap:7px;padding:8px 10px;border:1px solid #d3dfe9;border-radius:10px;background:#fff;color:#38546c;font:700 11px/1.2 inherit;text-align:center;text-decoration:none;cursor:pointer}.lecture-discovery-active .lecture-action.is-primary,.lecture-discovery-active .lecture-primary-action{grid-column:1/-1;border-color:#4386eb;background:linear-gradient(135deg,#4c91f4,#3576d6);color:white;box-shadow:0 6px 13px rgba(53,118,214,.2)}.lecture-discovery-active .lecture-action-icon{font-size:14px}.lecture-discovery-active .lecture-primary-action:disabled{opacity:.6;cursor:not-allowed}.lecture-discovery-active .lecture-detail-preview{width:100%;max-height:180px;border-radius:10px;background:#10283d}.lecture-discovery-active .lecture-preview-error{margin:0;color:#9a5545;font-size:11px}.lecture-discovery-active .lecture-discovery-footer{display:flex;justify-content:space-between;gap:10px;padding:0 5px;color:#647786;font-size:10px}.lecture-discovery-active .lecture-discovery-footer [data-discovery="status"]{color:#a05443;text-align:right}
.lecture-discovery-active #chat-panel{display:none!important}.lecture-discovery-active #context-panel{display:none!important}.lecture-discovery-active .recenter-button{bottom:calc(18px + env(safe-area-inset-bottom,0px))}
.lecture-discovery-active .interaction-prompt,.lecture-discovery-active .room-instance-control{display:none!important}
body.lecture-lounge-active #game-hud{display:none!important}body.lecture-lounge-active .room-instance-control{display:none!important}
@media(max-width:900px){.lecture-discovery-active .lecture-kiosk{inset:72px 12px 12px;padding:12px;gap:8px}.lecture-discovery-active .lecture-discovery-header{grid-template-columns:minmax(120px,1fr) minmax(200px,1.2fr) 38px;gap:9px}.lecture-discovery-active .lecture-discovery-layout{grid-template-columns:minmax(0,1fr) minmax(245px,300px);gap:9px}.lecture-discovery-active .lecture-course-card{width:clamp(178px,30vw,238px);height:clamp(220px,36vh,285px)}.lecture-discovery-active .lecture-course-card.is-previous{transform:translate(calc(-50% - min(16vw,170px)),-50%) rotateY(12deg) scale(.8)}.lecture-discovery-active .lecture-course-card.is-next{transform:translate(calc(-50% + min(16vw,170px)),-50%) rotateY(-12deg) scale(.8)}}
@media(max-width:640px){.lecture-discovery-active .lecture-kiosk{inset:68px 8px 8px;grid-template-rows:auto auto minmax(0,1fr) auto;gap:6px;padding:9px;border-radius:18px;background:linear-gradient(145deg,rgba(255,250,239,.84),rgba(250,250,246,.75));backdrop-filter:blur(12px)}.lecture-discovery-active .lecture-discovery-header{grid-template-columns:minmax(0,1fr) 38px;gap:7px}.lecture-discovery-active .lecture-discovery-heading{grid-column:1}.lecture-discovery-active .lecture-discovery-heading h2{font-size:18px}.lecture-discovery-active .lecture-discovery-eyebrow{font-size:8px}.lecture-discovery-active .lecture-discovery-search{grid-row:2;grid-column:1/-1;height:40px}.lecture-discovery-active .lecture-discovery-close{grid-row:1;grid-column:2;width:38px;height:38px}.lecture-discovery-active .lecture-discovery-categories{gap:6px}.lecture-discovery-active .lecture-category-chip{min-height:32px;padding:0 12px;font-size:10px}.lecture-discovery-active .lecture-discovery-layout{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(205px,34vh) minmax(0,1fr);gap:6px;overflow:auto}.lecture-discovery-active .lecture-carousel-column{grid-row:1;grid-template-rows:minmax(0,1fr) auto}.lecture-discovery-active .lecture-carousel{min-height:190px}.lecture-discovery-active .lecture-carousel-track{height:100%}.lecture-discovery-active .lecture-course-card{width:min(57vw,218px);height:min(28vh,235px);border-radius:15px}.lecture-discovery-active .lecture-course-card.is-selected{transform:translate(-50%,-50%) translateZ(40px) scale(1)}.lecture-discovery-active .lecture-course-card.is-previous{transform:translate(calc(-50% - 25vw),-50%) rotateY(12deg) scale(.68);opacity:.68}.lecture-discovery-active .lecture-course-card.is-next{transform:translate(calc(-50% + 25vw),-50%) rotateY(-12deg) scale(.68);opacity:.68}.lecture-discovery-active .lecture-card-shade{padding:10px}.lecture-discovery-active .lecture-card-copy strong{font-size:14px}.lecture-discovery-active .lecture-card-copy>span{font-size:9px}.lecture-discovery-active .lecture-card-meta{font-size:8px}.lecture-discovery-active .lecture-carousel-arrow{width:34px;height:34px;font-size:25px}.lecture-discovery-active .lecture-carousel-prev{left:0}.lecture-discovery-active .lecture-carousel-next{right:0}.lecture-discovery-active .lecture-carousel-hint{margin:2px 0;font-size:9px;padding:5px 10px}.lecture-discovery-active .lecture-course-detail{grid-row:2;gap:7px;padding:9px;border-radius:15px}.lecture-discovery-active .lecture-detail-hero{height:clamp(82px,13vh,112px)}.lecture-discovery-active .lecture-detail-title{font-size:16px}.lecture-discovery-active .lecture-detail-summary{font-size:10px;-webkit-line-clamp:2}.lecture-discovery-active .lecture-detail-facts{padding:1px 0}.lecture-discovery-active .lecture-detail-actions{gap:6px}.lecture-discovery-active .lecture-action,.lecture-discovery-active .lecture-primary-action,.lecture-discovery-active .lecture-secondary-action{min-height:42px;font-size:10px}.lecture-discovery-active .lecture-discovery-footer{font-size:9px}}
.lecture-discovery-active .lecture-discovery-search input{font-family:inherit;font-size:14px;font-weight:500;line-height:1.2}.lecture-discovery-active .lecture-discovery-close,.lecture-discovery-active .lecture-category-chip,.lecture-discovery-active .lecture-carousel-arrow,.lecture-discovery-active .lecture-action,.lecture-discovery-active .lecture-primary-action,.lecture-discovery-active .lecture-secondary-action{font-family:inherit;font-style:normal}.lecture-discovery-active .lecture-discovery-close{font-size:27px;font-weight:400;line-height:1}.lecture-discovery-active .lecture-category-chip{font-size:12px;font-weight:650;line-height:1}.lecture-discovery-active .lecture-carousel-arrow{font-size:31px;font-weight:400;line-height:1}.lecture-discovery-active .lecture-action,.lecture-discovery-active .lecture-primary-action,.lecture-discovery-active .lecture-secondary-action{font-size:11px;font-weight:700;line-height:1.2}
/* Course exhibits are Phaser world objects. Only input and action controls use DOM. */
.course-space-ui{position:fixed;inset:0;pointer-events:none;background:none!important;border:0;box-shadow:none;backdrop-filter:none;z-index:12;font-family:inherit}
.course-space-ui[hidden]{display:none!important}
.course-space-ui>input,.course-space-ui>select,.course-space-ui>button,.course-space-ui>aside{position:absolute;box-sizing:border-box;pointer-events:auto}
.course-space-ui>input,.course-space-ui>select{height:38px;border:1px solid #d9bb77;border-radius:6px;background:#f8efdc;color:#18334b;padding:6px 12px;font-size:14px}
.course-space-ui>button{border:1px solid #ddc185;border-radius:50%;height:44px;background:#18364a;color:#fff2cf;font-size:25px}
.course-space-ui>[data-discovery=share-room]{border-radius:10px;font-size:12px;font-weight:700;padding:4px}
.course-space-ui [data-discovery=info]{bottom:95px;right:12px;border-radius:10px;font-size:14px;padding:8px 12px}
.course-space-ui>aside{max-height:265px;overflow:auto;background:transparent;color:#fff1d7}
.course-space-ui>aside>*{display:none}
.course-space-ui>aside>.lecture-detail-actions{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin:0}
.course-space-ui .lecture-action,.course-space-ui .lecture-primary-action,.course-space-ui .lecture-secondary-action{box-sizing:border-box;min-height:40px;padding:7px;border:1px solid #c9a66a;border-radius:6px;color:#fff4d6;background:#16394a;text-decoration:none;font:600 12px/1.3 sans-serif;text-align:center;cursor:pointer}
.course-space-ui .lecture-primary-action,.course-space-ui .is-primary{grid-column:1/-1;background:#296b52}
.course-space-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.course-space-ui.detail-open>aside{bottom:95px;background:#142e42;border:1px solid #caa965;border-radius:12px;padding:12px}
.course-space-ui.detail-open>aside>h3,.course-space-ui.detail-open>aside>.lecture-detail-summary,.course-space-ui.detail-open>aside>.lecture-detail-facts,.course-space-ui.detail-open>aside>.lecture-preview-host{display:block;margin:0 0 8px}
.course-space-ui.detail-open video{width:100%;max-height:140px}
.course-space-ui.detail-open .lecture-detail-summary{font-size:12px;line-height:1.4}
@media(max-width:650px){.course-space-ui>aside{display:none}.course-space-ui.detail-open>aside{display:block;max-height:245px}.course-space-ui [data-discovery=previous],.course-space-ui [data-discovery=next]{height:38px}.course-space-ui>input,.course-space-ui>select{height:34px;font-size:13px}}
.course-space-ui.detail-open>[data-discovery=info]{left:auto!important;top:auto!important;width:auto!important;right:12px;bottom:95px;z-index:3}
.course-space-ui.detail-open>aside{bottom:145px}

/* Approved reference plate: controls belong to the physical board/display. */
.reference-lounge>[data-discovery=search]{border:0;border-radius:26px;background:transparent;color:#5a5351;font-size:19px;padding:8px 26px;outline-offset:-4px}
.reference-lounge>[data-discovery=category-chips]{position:absolute;display:flex;gap:10px;align-items:center;pointer-events:auto;overflow-x:auto;scrollbar-width:none}
.reference-lounge [data-discovery=category-chips]>button{height:41px;flex:0 0 auto;min-width:85px;padding:0 20px;border:1px solid #a39786;border-radius:23px;background:#47413ae8;color:white;font:600 16px sans-serif;cursor:pointer}
.reference-lounge [data-discovery=category-chips]>button[aria-pressed=true]{background:#397ef6;border-color:#c4e3ff;box-shadow:0 0 8px #8abfff80}
.reference-lounge>[data-discovery=previous],.reference-lounge>[data-discovery=next]{background:#3b3f46e8;border:3px solid #fff;border-radius:50%;font-size:36px;height:50px}
.course-space-ui.reference-lounge>aside{display:flex;flex-direction:column;min-width:0;min-height:0;max-height:none;bottom:auto;padding:0;overflow:hidden;border:1px solid #d1dbea;border-radius:12px;background:#fafaff;color:#25304a;isolation:isolate;box-shadow:0 6px 20px #172a451c}
.reference-lounge>aside *{box-sizing:border-box}
.reference-lounge>aside>.lecture-detail-scroll{display:block;flex:1 1 0;min-width:0;min-height:0;overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;touch-action:pan-y;scrollbar-width:thin;scrollbar-gutter:stable;padding:16px;overflow-wrap:anywhere}
.reference-lounge .lecture-detail-hero{position:relative;margin-bottom:12px}
.reference-lounge .lecture-detail-hero img{display:block;width:100%;max-height:175px;object-fit:contain;border-radius:8px}
.reference-lounge .lecture-card-status{display:inline-block;margin-top:6px;font-size:12px;color:#426dac}
.reference-lounge .lecture-detail-category{font-size:12px;color:#426dac}
.reference-lounge .lecture-detail-title{margin:10px 0;font-size:21px;line-height:1.35}
.reference-lounge .lecture-detail-summary,.reference-lounge .lecture-detail-subtitle,.reference-lounge .lecture-detail-target{display:block;margin:10px 0;color:#43516a;font-size:14px;line-height:1.65;white-space:pre-wrap}
.reference-lounge .lecture-detail-instructor{margin:12px 0;padding:10px 0;border-block:1px solid #e1e7f0}
.reference-lounge .lecture-instructor-avatar{display:none}
.reference-lounge .lecture-instructor-copy{display:grid;gap:4px}
.reference-lounge .lecture-detail-overline,.reference-lounge .lecture-instructor-copy small{font-size:12px;color:#62718a}
.reference-lounge .lecture-detail-facts{display:grid;gap:8px;margin:12px 0;font-size:13px}
.reference-lounge .lecture-detail-fact{display:flex;gap:8px;align-items:center}
.reference-lounge .lecture-detail-price{font-weight:800;font-size:20px;margin:12px 0}
.reference-lounge .lecture-detail-status{font-size:13px;color:#426dac}
.reference-lounge .lecture-progress-rail{height:6px;background:#e1e7f0;border-radius:4px;overflow:hidden;margin-top:6px}
.reference-lounge .lecture-progress-rail span{display:block;height:100%;background:#4388ff}
.course-space-ui.reference-lounge>aside>.lecture-detail-actions{display:grid;flex:0 0 auto;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:0;padding:12px;border-top:1px solid #d9e2ef;background:#f1f5fc}
.reference-lounge .lecture-action,.reference-lounge .lecture-primary-action,.reference-lounge .lecture-secondary-action{display:flex;align-items:center;justify-content:center;gap:6px;min-width:0;min-height:44px;margin:0;padding:10px 8px;border:1px solid #cbd6e6;border-radius:8px;background:#fff;color:#313d55;font:600 14px/1.35 sans-serif;white-space:normal;overflow-wrap:anywhere;text-decoration:none;text-align:center;touch-action:manipulation}
.reference-lounge .lecture-action-icon{flex:none}
.reference-lounge .lecture-primary-action,.reference-lounge .is-primary{order:-1;background:#3478e8;color:white;border-color:#3478e8;grid-column:1/-1}
.reference-lounge .lecture-detail-actions>:focus-visible,.reference-lounge .lecture-detail-scroll:focus-visible{outline:3px solid #2776e9;outline-offset:-3px}
.reference-lounge .lecture-detail-actions>:disabled{opacity:.6;cursor:default}
.reference-lounge .lecture-preview-host{position:static;width:100%;border-radius:8px;overflow:hidden}
.reference-lounge .lecture-preview-host:empty{display:none}
.reference-lounge .lecture-preview-host video{display:block;width:100%;max-height:200px;object-fit:contain;background:#18263b}
.reference-lounge>[data-discovery=info],.reference-lounge>[data-discovery=search-view]{position:fixed;bottom:100px;right:12px;left:auto;top:auto;border-radius:12px;font-size:14px;padding:8px 12px;height:44px;width:auto;background:#414139;color:#fff}
.reference-lounge>[data-discovery=search-view]{bottom:152px;width:44px;font-size:24px}
@media(max-width:650px){.course-space-ui.reference-lounge>aside{display:none}.course-space-ui.reference-lounge.detail-open>aside{display:flex}.reference-lounge>[data-discovery=search]{font-size:19px}.reference-lounge>[data-discovery=previous],.reference-lounge>[data-discovery=next]{height:50px}}
@media(max-width:650px){.reference-lounge>[data-discovery=info]{top:64px;bottom:auto;right:12px;height:34px;padding:5px 10px}.reference-lounge>[data-discovery=search-view]{top:64px;bottom:auto;right:110px;height:34px;width:38px;padding:3px}}
@media(max-width:650px){.course-space-ui.reference-lounge.detail-open>[data-discovery=info]{top:64px!important;bottom:auto;height:36px;min-width:64px;transform:none}}
@media(max-height:500px){.course-space-ui.reference-lounge>aside>.lecture-detail-actions{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;padding:8px}.reference-lounge .lecture-primary-action,.reference-lounge .is-primary{grid-column:auto}.reference-lounge .lecture-action,.reference-lounge .lecture-primary-action,.reference-lounge .lecture-secondary-action{font-size:12px}}

/* Online classroom · course detail lesson list (world/CourseLessons.js). Readable, flat DOM over the
   lounge's information display (no perspective on text); phones get a full-height sheet. */
.lecture-lessons{position:fixed;z-index:13;top:72px;right:16px;bottom:16px;width:min(430px,calc(100vw - 32px));box-sizing:border-box;display:flex;flex-direction:column;gap:10px;padding:18px 18px 14px;
  border-radius:22px;background:#fafaff;color:#162139;border:2px solid #c9d8ef;box-shadow:0 22px 60px #0b1a3366,0 0 0 6px #ffffff40;font:15px/1.45 "Apple SD Gothic Neo","Noto Sans KR",system-ui,sans-serif}
.lecture-lessons[hidden]{display:none}
.lecture-lessons__head{display:flex;gap:12px;align-items:flex-start}
.lecture-lessons__head small{display:block;color:#426dac;font-weight:800;font-size:12px;letter-spacing:.06em}
.lecture-lessons__head h3{margin:2px 0 0;font-size:20px;line-height:1.3}
.lecture-lessons__back{flex:none;min-height:40px;padding:0 12px;border:1px solid #c9d8ef;border-radius:12px;background:#fff;color:#2b4a7a;font:700 14px/1 inherit;cursor:pointer}
.lecture-lessons__status{padding:8px 12px;border-radius:12px;background:#eef3fb;color:#2b4a7a;font-weight:700;font-size:14px}
.lecture-lessons__progress{position:relative;height:30px;border-radius:15px;background:#e4ebf6;overflow:hidden}
.lecture-lessons__progress[hidden]{display:none}
.lecture-lessons__progress span{position:absolute;inset:0 auto 0 0;background:linear-gradient(90deg,#4f8ff7,#2776e9);border-radius:15px}
.lecture-lessons__progress b{position:relative;display:block;padding:0 12px;line-height:30px;font-size:13px;color:#10223f}
.lecture-lessons__start{width:100%;min-height:50px;border:0;border-radius:14px;background:linear-gradient(180deg,#4f8ff7,#2776e9);color:#fff;font:800 17px/1 inherit;cursor:pointer;box-shadow:0 10px 22px #2776e955}
.lecture-lessons__list{flex:1;min-height:0;overflow-y:auto;margin:0;padding:0 4px 0 0;list-style:none;display:grid;gap:6px;align-content:start}
.lecture-lesson{display:flex;gap:6px;min-width:0}.lecture-lesson>button:first-child{flex:1;min-width:0}.lecture-lesson .lecture-lesson__share{flex:none;width:44px;min-height:52px;padding:6px;display:grid;place-items:center;border:1px solid #c9d8ef;border-radius:14px;background:#f5f8fd;color:#2b4a7a;font-size:18px;font-weight:800;cursor:pointer}
.lecture-lesson .lecture-lesson__share:hover,.lecture-lesson .lecture-lesson__share:focus-visible{border-color:#4f8ff7;box-shadow:0 0 0 3px #4f8ff733;outline:none}
.lecture-lesson button{display:grid;grid-template-columns:34px 1fr auto;gap:10px;align-items:center;width:100%;min-height:52px;padding:8px 12px;border:1px solid #dbe4f2;border-radius:14px;background:#fff;color:inherit;font:600 15px/1.35 inherit;text-align:left;cursor:pointer}
.lecture-lesson button:hover:not(:disabled),.lecture-lesson button:focus-visible{border-color:#4f8ff7;box-shadow:0 0 0 3px #4f8ff733;outline:none}
.lecture-lesson button:disabled{cursor:default;color:#7d889b;background:#f3f5f9}
.lecture-lesson__n{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#eef3fb;color:#2b4a7a;font-weight:800;font-size:13px}
.lecture-lesson.is-completed .lecture-lesson__n{background:#2bb673;color:#fff}
.lecture-lesson__tag{font-size:12px;font-weight:800;color:#5c6b84;white-space:nowrap}
.lecture-lesson.is-sample .lecture-lesson__tag{color:#c2410c}
.lecture-lesson.is-completed .lecture-lesson__tag{color:#1f8f5a}
.lecture-lessons__note{margin:0;color:#5c6b84;font-size:12px}
@media (max-width:650px){
  .lecture-lessons{top:96px;left:0;right:0;bottom:0;width:auto;border-radius:22px 22px 0 0;padding:16px 14px calc(14px + env(safe-area-inset-bottom,0px));z-index:30}
  .lecture-lesson button{min-height:56px}
  .lecture-lessons__head h3{font-size:18px}
}

/* Compact course presentation: fixed header/sales, remaining space for curriculum.
  All hit targets are CSS pixels, not scaled Phaser world pixels. */
.course-space-ui.reference-lounge>aside.course-detail-compact{border-radius:14px;border-color:#d4dfec;background:#fbfcff;box-shadow:0 8px 24px #152b4529;gap:0;font-family:system-ui,-apple-system,"Noto Sans KR",sans-serif}
.course-detail-compact>*{flex:none;min-width:0}
.course-detail-compact>.course-detail-header{display:flex;align-items:flex-start;gap:6px;padding:12px 10px 8px;border-bottom:1px solid #e0e7ef;background:#f8faff}
.course-detail-heading{flex:1;min-width:0;margin:0;font-size:18px;line-height:1.35;overflow-wrap:anywhere}
.course-detail-tools{display:flex;flex:none;gap:0;align-items:center}
.course-detail-compact .course-detail-icon{display:grid;place-items:center;width:44px;height:44px;padding:10px;flex:none;border:0;border-radius:9px;background:transparent;color:#49627f;cursor:pointer}
.course-detail-icon svg{width:20px;height:20px;display:block}
.course-detail-icon:hover{background:#e7eff9}
.course-detail-compact>.course-detail-overview{display:block;padding:9px 14px 0}
.course-detail-meta{margin:0 0 5px;font-size:11px;line-height:1.5;color:#526c8a;overflow-wrap:anywhere}
.course-detail-intro{position:relative;max-height:clamp(100px,calc(100dvh - 456px),158px);overflow:auto;overscroll-behavior:contain}
.course-detail-intro p{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:0;color:#536278;font-size:12px;line-height:1.55;white-space:pre-wrap;overflow-wrap:anywhere}
.course-detail-intro.is-expanded p{display:block}
.course-detail-compact .course-detail-text-action{display:inline-flex;align-items:center;justify-content:center;gap:5px;min-height:44px;min-width:44px;padding:4px 3px;border:0;border-radius:5px;background:none;color:#365f98;font-family:inherit;font-size:12px;font-weight:600;line-height:1.35;text-decoration:none;text-align:left;white-space:normal;cursor:pointer}
.course-detail-text-action svg{width:15px;height:15px;flex:none}
.course-detail-intro>.course-detail-text-action{padding:2px 0;font-size:11px}
.course-detail-intro>.course-detail-text-action[hidden]{display:none}
.course-detail-compact>.course-detail-purchase{display:block;padding:8px 14px 4px;border-bottom:1px solid #dce5f0;background:linear-gradient(180deg,#fbfcff,#eef4fc)}
.course-detail-price{display:flex;align-items:center;flex-wrap:wrap;gap:5px 8px}
.course-detail-original{color:#8995a6;font-size:12px}
.course-detail-discount{color:#b64328;background:#fff0e7;border:1px solid #f7d5c3;border-radius:5px;padding:2px 5px;font-size:11px;font-weight:800}
.course-detail-discount-name{font-size:11px;color:#9d5b3f}
.course-detail-final{flex:1 0 100%;font-size:25px;letter-spacing:-.04em;color:#182f4c;line-height:1.25}
.course-detail-period{display:block;margin:4px 0;color:#526b87;font-size:11px}
.course-detail-sale-note{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:10px;line-height:1.4;color:#536c8a;margin:4px 0;max-height:28px;overflow:hidden}
.course-detail-sale-note summary{cursor:pointer}
.course-detail-sale-note p{margin:4px 0}
.course-detail-compact .course-detail-cta{display:flex;justify-content:center;align-items:center;gap:7px;width:100%;min-height:44px;margin-top:7px;padding:8px;border:1px solid #3676d8;border-radius:9px;background:linear-gradient(#4289ee,#306bd0);box-shadow:0 3px 7px #2d6dcc20;color:white;font:750 14px/1.3 system-ui;text-decoration:none;text-align:center;cursor:pointer}
.course-detail-cta:disabled{opacity:.6;cursor:default}
.course-detail-secondary{display:flex;align-items:center;justify-content:space-between;gap:4px;flex-wrap:wrap}
.course-detail-compact>.course-detail-curriculum{display:flex;flex-direction:column;flex:1 1 0;min-height:48px;overflow:hidden}
.course-detail-curriculum h4{margin:0;padding:9px 14px 6px;font-size:13px;color:#263f5d}
.course-detail-compact .course-detail-curriculum>.lecture-detail-scroll{display:block;flex:1 1 0;min-height:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;touch-action:pan-y;scrollbar-width:thin;scrollbar-gutter:stable;padding:0 10px 8px}
.course-curriculum-section{border:1px solid #e0e7ef;border-radius:8px;background:#fff;margin-bottom:6px;overflow:hidden}
.course-curriculum-section>summary{display:flex;align-items:center;justify-content:space-between;gap:6px;min-height:44px;padding:8px;cursor:pointer;font-size:12px;font-weight:750;color:#2c486a;list-style:none}
.course-curriculum-section>summary>svg{width:16px;height:16px;flex:none;transition:transform .15s}
.course-curriculum-section[open]>summary>svg{transform:rotate(90deg)}
.course-curriculum-section>summary span{flex:1;overflow-wrap:anywhere}
.course-curriculum-section>summary small{font-size:11px;line-height:1.5;color:#526984;font-weight:500;text-align:right;max-width:42%}
.course-curriculum-lessons{list-style:none;padding:0;margin:0;border-top:1px solid #edf1f6}
.course-detail-compact .course-curriculum-lesson{display:flex;align-items:stretch;flex-direction:column;gap:7px;width:100%;min-height:44px;padding:12px 10px;border:0;border-bottom:1px solid #e4eaf2;background:white;color:#2c496a;font:500 13px/1.5 system-ui;text-align:left;overflow-wrap:anywhere}
.course-curriculum-title{white-space:normal;overflow-wrap:anywhere;font-size:13px;line-height:1.5;color:#253d5b}
.course-curriculum-description p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0;font-size:13px;line-height:1.6;color:#52647b;white-space:pre-wrap;overflow-wrap:anywhere}
.course-curriculum-description.is-expanded p{display:block}
.course-detail-compact .course-curriculum-description-toggle{display:inline-flex;align-items:center;min-width:44px;min-height:44px;padding:4px 0;background:none;border:0;color:#365f98;font:600 12px/1.4 system-ui;cursor:pointer}
.course-curriculum-description-toggle[hidden]{display:none!important}
.course-curriculum-lesson-meta{display:flex;align-items:center;flex-wrap:wrap;gap:4px 8px;font-size:12px;line-height:1.5;color:#526984}
.course-curriculum-time{white-space:nowrap}
.course-curriculum-sample{display:inline-flex;align-items:center;gap:3px;font-size:11px;color:#a44823;background:#fff2e9;border-radius:5px;padding:3px 5px;font-weight:700}
.course-curriculum-lesson svg{width:15px;height:15px;flex:none}
.course-detail-compact .course-curriculum-access{display:inline-flex;align-items:center;justify-content:center;gap:4px;min-width:44px;min-height:44px;max-width:100%;padding:5px 7px;margin-left:auto;border:1px solid #d2dfed;border-radius:7px;background:#f5f9ff;color:#315f96;font:600 12px/1.4 system-ui;text-decoration:none;cursor:pointer}
.course-detail-compact .course-curriculum-access:disabled{border-color:transparent;background:none;color:#69788d;cursor:default}
[data-sample=true]>.course-curriculum-lesson{background:#fffcf8;border-left:3px solid #e1a06b;padding-left:7px}
.course-detail-compact>.lecture-preview-host{display:block;flex:none;max-height:135px;overflow:auto;background:#18263b}
.course-detail-compact>.lecture-preview-host:empty{display:none}
.course-detail-compact .lecture-preview-host video{max-height:135px;height:135px}
.course-detail-compact>.course-detail-feedback{display:block;position:absolute;right:12px;top:55px;max-width:calc(100% - 24px);border-radius:6px;background:#193a5a;color:white;padding:5px 8px;z-index:1;font-size:11px;pointer-events:none}
.course-detail-feedback:empty{display:none!important}
.course-detail-compact :is(button,a,summary,[tabindex]):focus-visible{outline:3px solid #5b9deb;outline-offset:-3px}
.course-space-ui.reference-lounge.detail-dismissed>aside{display:none}
@media(max-width:649px){.course-detail-heading{font-size:16px}.course-detail-compact>.course-detail-header{padding:10px 8px 6px}.course-detail-compact .course-detail-icon{width:44px;height:44px}.course-detail-compact>.course-detail-overview{padding-top:7px}}
@media(max-height:600px){.course-detail-heading{font-size:14px}.course-detail-compact>.course-detail-header{padding:5px 8px}.course-detail-compact>.course-detail-overview{padding-top:4px}.course-detail-intro p{-webkit-line-clamp:2;font-size:11px}.course-detail-compact>.course-detail-purchase{padding-top:4px}.course-detail-final{font-size:21px;flex-basis:auto}.course-detail-sale-note{margin:0}.course-detail-compact .course-detail-cta{margin-top:4px}.course-detail-curriculum h4{padding:5px 12px}.course-detail-period{margin:2px 0}}
@media(max-height:450px){.course-detail-compact>.course-detail-overview{position:relative}.course-detail-intro{min-height:36px}.course-detail-intro p{padding-right:48px}.course-detail-intro>.course-detail-text-action{position:absolute;right:0;bottom:0;background:#fbfcff}.course-detail-intro.is-expanded{position:absolute;top:24px;left:14px;right:14px;z-index:2;max-height:140px;padding:8px;background:#fbfcff;border:1px solid #d4dfec;border-radius:8px;box-shadow:0 4px 18px #17345133}.course-detail-compact .course-detail-sale-note{display:none}.course-detail-compact .course-detail-secondary{flex-wrap:nowrap}.course-detail-compact .course-detail-period{font-size:10px}.course-detail-compact .course-detail-heading{font-size:13px}.course-detail-curriculum h4{padding:3px 12px}}