.course-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.course-card{border:1px solid var(--line);padding:38px;background:white}.course-card>span{color:var(--teal);font-size:.76rem;font-weight:700;letter-spacing:.13em}.course-card h2{font-size:2rem;margin-top:14px}.course-card p{color:var(--muted)}.course-facts{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding:18px 0}.course-facts b{font-size:1.4rem;color:var(--navy)}.course-facts span{color:var(--muted)}.course-detail{background:var(--cream);padding:85px 0}.course-detail-grid{display:grid;grid-template-columns:1fr 360px;gap:80px;align-items:center}.course-detail h1{font-size:clamp(3rem,6vw,5rem)}.course-detail-grid>div>p{font-size:1.2rem;color:var(--muted);max-width:700px}.course-points{display:flex;gap:20px;flex-wrap:wrap;color:var(--teal-dark);font-weight:600}.course-detail aside{background:white;box-shadow:var(--shadow);padding:35px}.course-detail aside>span,.course-detail aside>strong,.course-detail aside>small{display:block}.course-detail aside>strong{font-size:2.5rem;color:var(--navy);margin:8px 0 22px}.course-detail aside .button{width:100%}.course-detail aside small{text-align:center;margin-top:14px}.course-outline{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}.material-preview>div{display:grid;grid-template-columns:45px 1fr auto;gap:16px;padding:17px 8px;border-bottom:1px solid var(--line)}.material-preview span{color:#9aabb5}.material-preview small{color:var(--muted)}.portal-shell{display:grid;grid-template-columns:250px 1fr;min-height:720px}.portal-nav{background:var(--navy);color:white;padding:45px 25px}.portal-nav>div{text-align:center;padding-bottom:30px;border-bottom:1px solid #2f4960}.portal-avatar{display:grid;place-items:center;width:62px;height:62px;margin:0 auto 12px;border-radius:50%;background:var(--teal);font-size:1.5rem;font-weight:700}.portal-nav b,.portal-nav small{display:block}.portal-nav small{color:#a9bdca}.portal-nav nav{margin-top:25px}.portal-nav nav a{display:block;text-decoration:none;padding:11px 13px;color:#bfcdd6;border-radius:3px}.portal-nav nav a.active,.portal-nav nav a:hover{color:white;background:#1c3a52}.portal-main{padding:65px max(30px,6vw);background:#f7f9fa}.portal-main h1{font-size:3rem}.portal-lead{color:var(--muted)}.portal-empty{background:white;border:1px solid var(--line);padding:45px;margin-top:35px}.student-course{background:white;border:1px solid var(--line);margin-top:28px}.student-course>header{display:flex;justify-content:space-between;padding:25px;border-bottom:1px solid var(--line)}.student-course header span{color:var(--teal);font-size:.75rem;font-weight:700}.student-course h2{font-size:1.5rem;margin:5px 0 0}.student-course header small{color:var(--muted)}.student-files a{display:flex;align-items:center;gap:16px;padding:17px 25px;border-bottom:1px solid #edf1f2;text-decoration:none}.student-files>a>span{display:grid;place-items:center;width:38px;height:38px;background:#e6f4f3;color:var(--teal);border-radius:50%}.student-files b,.student-files small{display:block}.student-files small{color:var(--muted)}.student-files>p{padding:25px}.admin-shell{display:grid;grid-template-columns:245px 1fr;min-height:100vh;background:#f3f6f8}.admin-shell+dialog+dialog+section.newsletter,.admin-shell~.newsletter{display:none}.admin-sidebar{background:#0d263b;color:#c4d1da;padding:25px 18px;position:sticky;top:0;height:100vh}.admin-brand{display:flex;gap:11px;align-items:center;color:white;text-decoration:none;padding:0 8px 24px;border-bottom:1px solid #294155}.admin-brand img{width:42px;height:42px;border-radius:50%;object-fit:contain}.admin-brand b,.admin-brand small{display:block}.admin-brand small{color:#8fa5b4}.admin-sidebar nav{margin-top:22px}.admin-sidebar nav a{display:block;text-decoration:none;padding:10px 12px;border-radius:4px;margin:3px 0}.admin-sidebar nav a:hover,.admin-sidebar nav a.active{background:#183b54;color:white}.back-site{position:absolute;bottom:25px;left:30px;text-decoration:none;color:#91a8b7}.admin-main{padding:40px max(25px,5vw)}.admin-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px}.admin-top h1{font-family:"Source Sans 3";font-size:2rem;letter-spacing:-.02em;margin:0}.admin-top>span{background:white;border:1px solid var(--line);padding:8px 12px;border-radius:4px}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.stat-grid>div{background:white;border:1px solid var(--line);padding:25px}.stat-grid span,.stat-grid b{display:block}.stat-grid span{color:var(--muted);font-size:.86rem}.stat-grid b{font-size:2.1rem;color:var(--navy);margin-top:5px}.admin-panel{background:white;border:1px solid var(--line);padding:28px;margin-top:22px}.admin-panel h2{font-family:"Source Sans 3";font-size:1.35rem}.panel-head{display:flex;justify-content:space-between;align-items:center}.quick-actions{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.quick-actions a{padding:20px;background:#edf5f4;color:var(--teal-dark);font-weight:700;text-decoration:none}.data-list{border-top:1px solid var(--line)}.data-list>div,.data-list>button{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:white;border:0;border-bottom:1px solid var(--line);padding:15px 8px;font:inherit}.data-list>button{cursor:pointer}.data-list>button:hover{background:#f6f9fa}.data-list b,.data-list small{display:block}.data-list small{color:var(--muted)}.data-list em{font-style:normal;font-size:.82rem;color:var(--teal)}.upload-form{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.upload-form label{font-weight:700}.upload-form input,.upload-form select{display:block;width:100%;padding:11px;border:1px solid var(--line);font:inherit;margin-top:5px}.file-drop{grid-column:1/-1;border:2px dashed #b8c8d1;padding:25px;text-align:center;background:#f8fafb}.upload-form .button{justify-self:start}.admin-table{border-top:1px solid var(--line)}.table-row{display:grid;grid-template-columns:1fr 1.3fr .6fr .5fr;gap:15px;padding:13px 5px;border-bottom:1px solid var(--line)}.table-row.head{font-weight:700;color:var(--muted);font-size:.8rem;text-transform:uppercase}.status{font-size:.78rem;text-transform:uppercase;font-weight:700}.status.paid{color:#218257}.status.created{color:#a06b12}.config-check{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:25px 0}.config-check div{padding:18px;background:#f4f7f8}.config-check span,.config-check b{display:block}.config-check span{color:var(--muted);font-size:.8rem}.payment-setup code{display:block;background:#112a3e;color:#bce4dc;padding:18px;border-radius:4px;margin-bottom:24px}.admin-note{background:#fff7df;border-left:3px solid #d6a84c;padding:15px}@media(max-width:900px){.course-detail-grid,.course-outline{grid-template-columns:1fr}.portal-shell,.admin-shell{grid-template-columns:1fr}.portal-nav,.admin-sidebar{position:static;height:auto}.portal-nav nav{display:flex;flex-wrap:wrap}.admin-sidebar nav{display:flex;overflow:auto}.admin-sidebar nav a{white-space:nowrap}.back-site{position:static;display:block;margin:15px}.stat-grid{grid-template-columns:repeat(2,1fr)}.quick-actions{grid-template-columns:repeat(2,1fr)}.upload-form{grid-template-columns:1fr}.file-drop{grid-column:auto}}@media(max-width:600px){.course-grid{grid-template-columns:1fr}.course-detail{padding:55px 0}.course-detail-grid{gap:35px}.course-outline{gap:30px}.portal-main,.admin-main{padding:35px 15px}.stat-grid,.quick-actions,.config-check{grid-template-columns:1fr}.table-row{grid-template-columns:1fr}.table-row.head{display:none}.student-course>header{flex-direction:column;gap:10px}}