/* Applicare University — shared app-shell design system.
   Reuses the site's --bg/--tx/etc. tokens so the theme toggle (arc-theme)
   stays consistent with the rest of arcturustech.com. */

.uapp{min-height:100vh;background:var(--bg)}

/* ---------- Top bar ---------- */
.utop{position:fixed;top:0;left:0;right:0;height:60px;z-index:1000;display:flex;align-items:center;gap:14px;padding:0 20px;background:var(--nb);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--bdr)}
.u-menu-toggle{display:none;background:transparent;border:1px solid var(--bdr);color:var(--txm);width:36px;height:36px;border-radius:8px;font-size:16px;cursor:pointer}
.u-brand{display:flex;align-items:center;gap:9px;text-decoration:none;flex-shrink:0}
.u-brand .logo-dark{height:54px;width:auto;display:block}
.u-brand .logo-light{height:40px;width:auto;display:none}
.u-brand .logo-light{display:none !important}
[data-theme=light] .u-brand .logo-dark{display:none !important}
[data-theme=light] .u-brand .logo-light{display:block !important;height:40px !important;width:auto;filter:none}
.u-brand-wrap{display:flex;flex-direction:column;line-height:1.1}
.u-brand-name{font-family:'Syne',sans-serif;font-weight:800;font-size:14px;color:var(--tx)}
.u-brand-sub{font-family:'IBM Plex Mono',monospace;font-size:9px;letter-spacing:1.5px;text-transform:uppercase;color:var(--el)}
.u-top-spacer{flex:1}
.u-top-link{font-size:12.5px;color:var(--txm);text-decoration:none;padding:7px 12px;border-radius:6px;white-space:nowrap}
.u-top-link:hover{color:var(--tx);background:rgba(255,255,255,.04)}
[data-theme=light] .u-top-link:hover{background:rgba(0,0,0,.04)}
.u-icon-btn{background:transparent;border:1px solid var(--bdr);color:var(--txm);width:36px;height:36px;border-radius:8px;font-size:15px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.u-icon-btn:hover{color:var(--tx);border-color:var(--el)}
.u-avatar{width:32px;height:32px;border-radius:50%;background:var(--eld);color:var(--el);display:flex;align-items:center;justify-content:center;font-family:'Syne',sans-serif;font-weight:800;font-size:13px;flex-shrink:0;cursor:pointer;border:1px solid rgba(0,194,255,.25)}

/* ---------- Shell layout ---------- */
.ushell{display:flex;padding-top:60px;min-height:100vh}
.uscrim{display:none;position:fixed;inset:60px 0 0 0;background:rgba(0,0,0,.4);z-index:900}
.uscrim.show{display:block}

.usidebar{width:252px;flex-shrink:0;border-right:1px solid var(--bdr);background:var(--bg2);position:sticky;top:60px;height:calc(100vh - 60px);overflow-y:auto;display:flex;flex-direction:column;padding:18px 12px}
.u-nav{list-style:none;display:flex;flex-direction:column;gap:2px;flex:1}
.u-nav-sec{font-family:'IBM Plex Mono',monospace;font-size:9.5px;text-transform:uppercase;letter-spacing:1.8px;color:var(--txm);padding:16px 12px 8px;opacity:.8}
.u-nav-sec:first-child{padding-top:6px}
.u-nav a{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:8px;color:var(--txb);text-decoration:none;font-size:13.5px;font-weight:500;transition:background .15s,color .15s}
.u-nav a .u-ic{width:18px;text-align:center;flex-shrink:0;font-size:14px}
.u-nav a:hover{background:rgba(0,194,255,.07);color:var(--tx)}
.u-nav a.active{background:var(--eld);color:var(--el);font-weight:700}
.u-learner{margin-top:10px;padding:14px 12px;border-top:1px solid var(--bdr);display:flex;align-items:center;gap:10px}
.u-learner-avatar{width:36px;height:36px;border-radius:50%;background:var(--eld);color:var(--el);display:flex;align-items:center;justify-content:center;font-family:'Syne',sans-serif;font-weight:800;font-size:14px;flex-shrink:0}
.u-learner-info{flex:1;min-width:0}
.u-learner-name{font-size:13px;font-weight:700;color:var(--tx);cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.u-learner-name:hover{color:var(--el)}
.u-learner-tag{font-size:10.5px;color:var(--txm)}

.umain{flex:1;min-width:0;padding:36px clamp(20px,3vw,48px) 80px}
.u-container{max-width:1180px;margin:0 auto}

/* ---------- Typography ---------- */
.u-eyebrow{font-family:'IBM Plex Mono',monospace;font-size:11px;text-transform:uppercase;letter-spacing:2.5px;color:var(--el);margin-bottom:10px}
.u-h1{font-family:'Syne',sans-serif;font-size:clamp(24px,2.8vw,34px);font-weight:800;letter-spacing:-1px;color:var(--tx);line-height:1.1;margin-bottom:8px}
.u-h2{font-family:'Syne',sans-serif;font-size:clamp(19px,2vw,24px);font-weight:800;letter-spacing:-.5px;color:var(--tx);margin-bottom:4px}
.u-sub{font-size:14.5px;color:var(--txb);line-height:1.6}
.u-section{margin-bottom:48px}
.u-section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:18px;gap:16px}
.u-section-link{font-size:12.5px;color:var(--el);text-decoration:none;white-space:nowrap}
.u-section-link:hover{text-decoration:underline}

/* ---------- Search ---------- */
.u-search-wrap{position:relative;margin-bottom:8px}
.u-search{width:100%;padding:17px 20px 17px 50px;border-radius:14px;border:1px solid var(--bdr);background:var(--bgc);color:var(--tx);font-size:15px;font-family:inherit;box-shadow:0 1px 2px rgba(0,0,0,.03)}
.u-search:focus{outline:none;border-color:var(--el);box-shadow:0 0 0 3px var(--eld)}
.u-search-ic{position:absolute;left:18px;top:50%;transform:translateY(-50%);font-size:17px;color:var(--txm);pointer-events:none}
.u-search-sparkle{position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:11px;color:var(--el);font-family:'IBM Plex Mono',monospace;letter-spacing:1px;pointer-events:none;opacity:.75}
.u-search-results{position:absolute;left:0;right:0;top:calc(100% + 8px);background:var(--bgc);border:1px solid var(--bdr);border-radius:14px;box-shadow:0 20px 48px rgba(0,0,0,.18);z-index:200;max-height:420px;overflow-y:auto;display:none}
.u-search-results.show{display:block}
.u-search-group-h{font-family:'IBM Plex Mono',monospace;font-size:9.5px;text-transform:uppercase;letter-spacing:1.5px;color:var(--txm);padding:12px 16px 4px}
.u-search-item{display:flex;align-items:center;gap:10px;padding:9px 16px;text-decoration:none;color:var(--tx);font-size:13.5px}
.u-search-item:hover{background:var(--eld)}
.u-search-item .u-ic{font-size:14px;flex-shrink:0;width:18px;text-align:center}
.u-search-empty{padding:24px 16px;text-align:center;color:var(--txm);font-size:13px}

/* ---------- Cards ---------- */
.u-card{background:var(--bgc);border:1px solid var(--bdr);border-radius:16px;transition:border-color .2s,transform .15s,box-shadow .2s}
.u-card:hover{transform:translateY(-2px);border-color:rgba(0,194,255,.3);box-shadow:0 12px 32px rgba(0,0,0,.08)}

.u-progress{height:6px;border-radius:999px;background:var(--bdr);overflow:hidden}
.u-progress-fill{height:100%;background:var(--el);border-radius:999px;transition:width .5s ease}

/* Continue learning (hero) card */
.u-continue{display:grid;grid-template-columns:280px 1fr;gap:0;overflow:hidden}
.u-continue-th{position:relative;background-size:cover;background-position:center;min-height:158px}
.u-continue-th::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent 60%,rgba(0,0,0,.15))}
.u-continue-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:32px;color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.4)}
.u-continue-body{padding:22px 26px;display:flex;flex-direction:column;justify-content:center;gap:10px}
.u-continue-tag{font-family:'IBM Plex Mono',monospace;font-size:10px;text-transform:uppercase;letter-spacing:2px;color:var(--el)}
.u-continue-title{font-family:'Syne',sans-serif;font-size:19px;font-weight:800;color:var(--tx)}
.u-continue-meta{font-size:12.5px;color:var(--txm)}
.u-continue-cta{align-self:flex-start;margin-top:4px;background:var(--el);color:var(--bg);padding:10px 22px;border-radius:8px;font-size:13.5px;font-weight:700;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.u-continue-cta:hover{filter:brightness(1.08)}
.u-empty{padding:36px 26px;text-align:center;color:var(--txm);font-size:13.5px}
.u-empty strong{color:var(--tx);display:block;font-family:'Syne',sans-serif;font-size:16px;margin-bottom:6px}

/* Recommended / lesson cards */
.u-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.u-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.u-reccard{display:block;text-decoration:none;overflow:hidden}
.u-reccard-th{position:relative;height:140px;background-size:cover;background-position:center;background-color:var(--bgc)}
.u-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:26px;color:#fff;text-shadow:0 2px 6px rgba(0,0,0,.4);opacity:0;transition:opacity .15s}
.u-reccard:hover .u-play{opacity:1}
.u-dur{position:absolute;right:8px;bottom:8px;background:rgba(0,0,0,.65);color:#fff;font-family:'IBM Plex Mono',monospace;font-size:10.5px;padding:2px 7px;border-radius:5px}
.u-donebadge{position:absolute;left:8px;top:8px;background:rgba(0,229,160,.92);color:#04231a;font-size:10px;font-weight:700;padding:3px 8px;border-radius:20px}
.u-reccard-body{padding:16px 16px 14px}
.u-reccard-tags{display:flex;gap:6px;margin-bottom:8px;flex-wrap:wrap}
.u-tag{font-family:'IBM Plex Mono',monospace;font-size:9.5px;text-transform:uppercase;letter-spacing:1px;padding:3px 9px;border-radius:20px;background:var(--bg2);border:1px solid var(--bdr);color:var(--txm)}
.u-tag.hi{background:var(--eld);border-color:rgba(0,194,255,.25);color:var(--el)}
.u-reccard-title{font-family:'Syne',sans-serif;font-size:14.5px;font-weight:700;color:var(--tx);line-height:1.3;margin-bottom:6px}
.u-reccard-desc{font-size:12.5px;color:var(--txm);line-height:1.55;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.u-reccard-foot{display:flex;align-items:center;justify-content:space-between}
.u-meta{font-family:'IBM Plex Mono',monospace;font-size:10.5px;color:var(--txm)}
.u-bookmark{background:transparent;border:none;font-size:16px;color:var(--txm);cursor:pointer;line-height:1;padding:2px}
.u-bookmark.on{color:var(--ac)}

/* Learning path cards */
.u-pathcard{display:block;text-decoration:none;padding:22px;position:relative}
.u-pathcard-icon{font-size:26px;margin-bottom:12px}
.u-pathcard-title{font-family:'Syne',sans-serif;font-size:15.5px;font-weight:700;color:var(--tx);margin-bottom:5px;line-height:1.3}
.u-pathcard-meta{font-size:12px;color:var(--txm);margin-bottom:14px}
.u-pathcard-foot{display:flex;align-items:center;justify-content:space-between;margin-top:10px;font-size:12px;color:var(--txm)}
.u-pathcard-cta{color:var(--el);font-weight:600}

/* Category tiles */
.u-cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.u-cat{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:22px 12px;text-align:center;text-decoration:none}
.u-cat-icon{font-size:24px}
.u-cat-label{font-size:12.5px;font-weight:600;color:var(--tx)}

/* Buttons */
.u-btn{display:inline-flex;align-items:center;gap:7px;padding:10px 20px;border-radius:8px;font-size:13.5px;font-weight:700;text-decoration:none;cursor:pointer;border:none;font-family:inherit}
.u-btn-primary{background:var(--el);color:var(--bg)}
.u-btn-primary:hover{filter:brightness(1.08)}
.u-btn-outline{background:transparent;border:1px solid var(--bdr);color:var(--tx)}
.u-btn-outline:hover{border-color:var(--el);color:var(--el)}
.u-btn[disabled]{opacity:.5;cursor:not-allowed}

/* Role chips (honest, user-driven personalization) */
.u-role-chips{display:flex;flex-wrap:wrap;gap:8px}
.u-role-chip{padding:8px 16px;border-radius:20px;border:1px solid var(--bdr);background:var(--bgc);color:var(--txb);font-size:12.5px;cursor:pointer;font-family:inherit}
.u-role-chip:hover{border-color:var(--el);color:var(--tx)}
.u-role-chip.active{background:var(--eld);border-color:rgba(0,194,255,.3);color:var(--el);font-weight:700}

@media(max-width:1024px){
 .u-grid-3{grid-template-columns:repeat(2,1fr)}
 .u-grid-4{grid-template-columns:repeat(2,1fr)}
 .u-cat-grid{grid-template-columns:repeat(3,1fr)}
 .u-menu-toggle{display:flex;align-items:center;justify-content:center}
 .usidebar{position:fixed;left:-270px;top:60px;z-index:950;transition:left .2s;box-shadow:0 0 0 rgba(0,0,0,0)}
 .usidebar.open{left:0;box-shadow:20px 0 48px rgba(0,0,0,.25)}
 .u-continue{grid-template-columns:1fr}
 .u-continue-th{min-height:180px}
}
@media(max-width:680px){
 .u-grid-3,.u-grid-4{grid-template-columns:1fr 1fr}
 .u-cat-grid{grid-template-columns:repeat(2,1fr)}
 .umain{padding:28px 16px 60px}
}