/* INSIGHT PLUS Academy · common learning shell · v1.0 */
:root{--academy-ink:#263746;--academy-navy:#10263a;--academy-gold:#b48a4a;--academy-paper:#f4f6f7;--academy-border:#dce4e8}
body{background:var(--academy-paper)!important;font-family:Pretendard,"Noto Sans KR",Arial,sans-serif!important;letter-spacing:-.012em}
.hero{background:linear-gradient(115deg,#10263a 0%,#1b4053 100%)!important;color:#fff}
.hero p{color:#d9e1e6}
.hero .wrap{max-width:1450px}
body:has(.studio-shell) .nav{max-width:1490px}
.studio-shell,.shell{max-width:1490px;margin:auto;display:grid;grid-template-columns:225px minmax(0,1fr) 292px;gap:18px;padding:22px 24px 78px;align-items:start}
.studio-shell .main{padding:0;min-width:0}
.studio-shell .main>.wrap{padding:0;max-width:none}
.studio-shell .studio-nav,.studio-shell .academy-side,.studio-shell .section,.studio-shell .lecture-video-section,.studio-shell .learning-outcomes,.studio-shell .deep-dive{background:#fff;border:1px solid var(--academy-border);border-radius:16px;box-shadow:0 8px 28px rgba(16,38,58,.035)}
.studio-shell .studio-nav,.studio-shell .academy-side{position:sticky;top:14px;max-height:calc(100vh - 28px);overflow:auto;padding:18px 11px}
.studio-shell .studio-nav .studio-brand{padding:0 9px 12px;font-size:15px;color:var(--academy-navy);font-weight:900}
.studio-shell .studio-nav .studio-brand small{font-size:10px;color:#7d8892;display:block;font-weight:500;margin-top:4px}
.studio-shell .studio-stage{display:grid;grid-template-columns:26px 1fr auto;gap:9px;align-items:center;border:1px solid transparent;background:#fff;color:#526674;text-decoration:none;padding:10px 7px;border-radius:10px;margin:2px 0;font-size:12px}
.studio-shell .studio-stage:hover,.studio-shell .studio-stage.active{background:#edf3f5;border-color:#d5e2e7;color:#10263a}
.studio-shell .studio-stage .number{background:#f1f4f6;color:#526777;padding:5px;border-radius:7px;text-align:center;font-size:10px;font-weight:900}
.studio-shell .studio-stage.active .number{background:#10263a;color:#fff}
.studio-shell .studio-stage b{font-size:12px;display:block}
.studio-shell .studio-stage small{font-size:10px;display:block;color:#71818b}
.studio-shell .studio-stage .is-done{color:#2e6b52;font-size:13px}
.studio-shell .studio-progress{background:#e7edf0;height:7px;border-radius:99px;margin:9px}
.studio-shell .studio-progress div{height:100%;background:var(--academy-gold);border-radius:99px;width:0;transition:width .2s}
.studio-shell .studio-progress-text{margin:5px 9px 14px;font-size:11px;color:#7c8790}
.studio-shell .stagebar{display:none}
body:has(.studio-shell) .stagebar{display:none!important}
.studio-shell .lecture-video-section{padding:20px;margin-bottom:16px}
.studio-shell .lecture-video-head{padding:14px 14px 18px;border:0}
.studio-shell .lecture-video-head h2{font-size:21px}
.studio-shell .lecture-video-card{box-shadow:none}
.studio-shell .section,.studio-shell .learning-outcomes,.studio-shell .deep-dive{padding:22px;margin-bottom:16px}
.studio-shell .section h2{font-size:25px}
.studio-shell .section[hidden]{display:none!important}
.studio-shell .studio-outcome-heading{padding:14px 4px}
.studio-shell .studio-next{display:flex;gap:9px;justify-content:flex-end;flex-wrap:wrap;margin-top:24px;padding-top:15px;border-top:1px solid #e8edef}
.studio-shell .studio-next button{background:var(--academy-navy);border:0;border-radius:9px;padding:10px 15px;color:#fff;font-weight:800;cursor:pointer;font-size:12px}
.studio-shell .studio-next button.alt{background:#fff;color:var(--academy-navy);border:1px solid #bfcbd1}
.studio-shell .academy-side strong{color:var(--academy-navy)}
.studio-shell .academy-side h3{font-size:14px;color:var(--academy-navy);margin:15px 0 8px}
.studio-shell .academy-side .side-tab{display:flex;gap:7px;margin:12px 0}
.studio-shell .academy-side .side-tab button{font-size:11px;background:#fff;border:1px solid #d2dce0;padding:7px 9px;border-radius:8px;cursor:pointer}
.studio-shell .academy-side .side-tab button.active{background:var(--academy-navy);color:#fff}
.studio-shell .academy-side [data-studio-pane][hidden]{display:none}
.studio-shell .academy-side .side-paper{border:1px solid #e0e7ea;background:#f8faf9;border-radius:10px;padding:13px;margin:10px 0;font-size:12px;line-height:1.7}
.studio-shell .academy-side textarea{min-height:150px;font-size:12px;width:100%}
.shell .maincard,.shell .left,.shell .side{box-shadow:0 8px 28px rgba(16,38,58,.035)}
.shell .maincard h2{letter-spacing:-.035em}
.shell .maincard,.studio-shell .section{animation:fadeAcademy .16s ease-out}
.shell .side,.studio-shell .academy-side{scrollbar-width:thin}
.academy-submission-card{border:1px solid #d8e3e7;border-radius:13px;padding:16px;margin-top:17px;background:#f8faf9;color:#273b48}
.academy-submission-card h3{font-size:14px;color:#10263a;margin:0 0 6px}
.academy-submission-card p{font-size:12px;line-height:1.65;margin:7px 0}
.academy-submission-card button{background:#10263a;color:white;border:1px solid #10263a;border-radius:8px;font-size:12px;padding:10px 12px;font-weight:800;width:100%;margin-top:8px;cursor:pointer}
.academy-submission-card button[disabled]{cursor:default;opacity:.54}
.academy-submission-card .label{font-size:10px;letter-spacing:.06em;color:#8c6c3e;font-weight:900}
.academy-submission-card .submission-status{font-size:12px;color:#38566a;font-weight:750}
.academy-submission-card .review{background:#eaf3ee;border-radius:8px;padding:12px;margin-top:10px}
.academy-submission-card .review p{white-space:pre-wrap;overflow-wrap:anywhere}
.academy-submission-card .submission-history{font-size:11px;color:#72808a;line-height:1.8}
.academy-submission-card .warn{font-size:11px}
@keyframes fadeAcademy{from{opacity:.7;transform:translateY(5px)}to{opacity:1;transform:none}}
@media(max-width:1160px){.studio-shell,.shell{grid-template-columns:205px minmax(0,1fr);gap:14px}.studio-shell .academy-side{grid-column:2;position:static;max-height:none}.shell .side{grid-column:2;position:static;max-height:none}}
@media(max-width:780px){.studio-shell,.shell{display:grid;grid-template-columns:1fr;padding:12px;gap:12px}.studio-shell .studio-nav,.shell .left{position:static;max-height:none}.studio-shell .academy-side,.shell .side{grid-column:1}.studio-shell .studio-stage-wrap{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px}.studio-shell .studio-stage{display:flex;gap:4px;flex-direction:column;text-align:center;padding:9px 2px}.studio-shell .studio-stage b{font-size:10px}.studio-shell .studio-stage small{font-size:9px}.studio-shell .studio-stage .is-done{display:none}.studio-shell .lecture-video-section,.studio-shell .section{padding:15px}.studio-shell .section h2{font-size:22px}.studio-shell .academy-side{position:static}}
@media(prefers-reduced-motion:reduce){.studio-shell .section,.shell .maincard{animation:none}.studio-shell .studio-progress div{transition:none}}