:root{--ink:#0d0d0d;--ink-soft:#5c5c58;--bg:#fff;--bg-alt:#f7f6f2;--border:#e9e7e0;--yellow:#f6e27a;--yellow-ink:#3a3210;--green:#bfe9c9;--green-ink:#0f3d22;--pink:#f7d3e6;--pink-ink:#5c1236;--blue:#dce7f7;--accent:#2b52c9;--radius:20px;--max:1200px;--serif:"Lora",Georgia,"Iowan Old Style",serif;--sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.55}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font-family:inherit}.wrap{max-width:var(--max);margin:0 auto;padding:0 32px}header.site{padding:20px 0;border-bottom:1px solid var(--border)}header.site .wrap{justify-content:space-between;gap:24px}.logo,header.site .wrap{display:flex;align-items:center}.logo{gap:9px;font-weight:700;font-size:1.05rem;white-space:nowrap;letter-spacing:-.01em}.logo svg{width:22px;height:22px;flex-shrink:0}.member-nav{display:flex;align-items:center;gap:22px}.member-nav a{font-size:.92rem;color:var(--ink-soft)}.member-nav a.active{color:var(--ink);font-weight:600}.member-nav a:hover{color:var(--ink)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;border-radius:999px;font-weight:600;font-size:.92rem;white-space:nowrap;transition:transform .15s,opacity .15s;cursor:pointer;border:none}.btn-primary{background:var(--ink);color:#fff}.btn-primary:hover{transform:translateY(-1px);opacity:.92}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-outline{border:1.5px solid var(--border);color:var(--ink);background:transparent}.btn-outline:hover{background:var(--bg-alt)}.btn-small{padding:9px 16px;font-size:.82rem}.auth-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse 60% 50% at 50% 0,rgba(79,124,255,.1),transparent 70%);padding:32px 20px}.auth-card{width:100%;max-width:400px;background:#fff;border:1px solid var(--border);border-radius:24px;padding:38px 34px;box-shadow:0 24px 60px rgba(20,20,30,.06)}.auth-card .logo{justify-content:center;margin-bottom:28px}.auth-card h1{font-family:var(--serif);font-weight:500;font-size:1.5rem;margin:0 0 8px;text-align:center}.auth-card p.sub{color:var(--ink-soft);font-size:.9rem;text-align:center;margin:0 0 26px}.field{margin-bottom:16px}.field label{display:block;font-size:.82rem;font-weight:600;margin-bottom:6px}.field input{width:100%;padding:12px 16px;border-radius:12px;border:1.5px solid var(--border);font-size:.95rem;font-family:inherit}.field input:focus{outline:none;border-color:var(--ink)}.auth-card .btn{width:100%;margin-top:6px}.auth-links{margin-top:20px;text-align:center;font-size:.85rem;color:var(--ink-soft);display:flex;flex-direction:column;gap:8px}.auth-links a{text-decoration:underline;color:var(--ink)}.form-error{background:#fdecec;color:#a13b2f;border:1px solid #f3c9c2;border-radius:10px}.form-error,.form-success{padding:10px 14px;font-size:.85rem;margin-bottom:16px}.form-success{background:#e9f7ee;color:#0f3d22;border:1px solid #bfe9c9;border-radius:10px}.member-main{padding:48px 0 80px}.section-head{margin-bottom:32px}.section-head .eyebrow{display:inline-block;background:var(--bg-alt);border:1px solid var(--border);font-size:.75rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:6px 14px;border-radius:999px;margin-bottom:14px}.section-head h1{font-family:var(--serif);font-weight:500;font-size:2rem;margin:0 0 8px;letter-spacing:-.01em}.section-head p{color:var(--ink-soft);margin:0}.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));grid-gap:22px;gap:22px}.course-card{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s}.course-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(0,0,0,.06)}.course-card .cover{aspect-ratio:16/9;background:linear-gradient(135deg,#2b52c9,#4f6fe0);display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--serif);font-size:1.1rem;padding:20px;text-align:center}.course-card .cover img{width:100%;height:100%;object-fit:cover}.course-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1}.course-card h3{margin:0;font-size:1.1rem}.course-card p{margin:0;color:var(--ink-soft);font-size:.88rem;flex:1 1}.course-card .progress-line{font-size:.78rem;color:var(--ink-soft)}.course-card .progress-bar{height:6px;border-radius:999px;background:var(--border);overflow:hidden;margin-top:2px}.course-card .progress-bar span{display:block;height:100%;background:var(--accent)}.empty-state{text-align:center;padding:60px 20px;color:var(--ink-soft);border:1px dashed var(--border);border-radius:var(--radius)}.lesson-layout{display:grid;grid-template-columns:280px 1fr;grid-gap:32px;gap:32px;align-items:start}.lesson-sidebar{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);padding:18px;position:-webkit-sticky;position:sticky;top:24px}.lesson-sidebar h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-soft);margin:4px 8px 14px}.lesson-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}.lesson-item{display:flex;align-items:center;gap:10px;padding:10px;border-radius:12px;font-size:.88rem;color:var(--ink-soft);cursor:pointer;border:none;background:none;width:100%;text-align:left}.lesson-item:hover{background:#fff}.lesson-item.active{background:#fff;color:var(--ink);font-weight:600;box-shadow:0 1px 0 var(--border) inset}.lesson-item .dot{width:8px;height:8px;border-radius:50%;background:var(--border);flex-shrink:0}.lesson-item.done .dot{background:var(--accent)}.lesson-item .num{font-family:var(--serif);font-size:.8rem;color:var(--ink-soft);flex-shrink:0;width:16px}.lesson-main{min-width:0}.video-frame{position:relative;width:100%;aspect-ratio:16/9;background:#111;border-radius:var(--radius);overflow:hidden;margin-bottom:22px}.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.lesson-main h2{font-family:var(--serif);font-weight:500;font-size:1.5rem;margin:0 0 18px}.resource-list{display:flex;flex-direction:column;gap:10px;margin:0 0 24px}.resource-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;background:var(--bg-alt);border:1px solid var(--border);border-radius:14px;font-size:.9rem}.resource-item .r-icon{width:34px;height:34px;border-radius:10px;background:#fff;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;flex-shrink:0}.lesson-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.admin-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:24px;gap:24px;align-items:start}.admin-card{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);padding:26px}.admin-card h3{margin:0 0 4px;font-size:1.1rem}.admin-card p.hint{margin:0 0 18px;color:var(--ink-soft);font-size:.85rem}.admin-card textarea{min-height:90px;resize:vertical}.admin-card select,.admin-card textarea{width:100%;padding:12px 16px;border-radius:12px;border:1.5px solid var(--border);font-size:.9rem;font-family:inherit}.admin-card select{background:#fff}.chip-row{display:flex;flex-wrap:wrap;gap:8px}.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;border:1.5px solid var(--border);font-size:.8rem;cursor:pointer;background:#fff}.chip input{margin:0}table.admin-table{width:100%;border-collapse:collapse;font-size:.88rem;margin-top:8px}table.admin-table td,table.admin-table th{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border)}table.admin-table th{color:var(--ink-soft);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}@media (max-width:900px){.lesson-layout{grid-template-columns:1fr}.lesson-sidebar{position:static}.admin-grid{grid-template-columns:1fr}}@media (max-width:640px){.wrap{padding:0 18px}.member-nav{gap:14px}.section-head h1{font-size:1.6rem}.auth-card{padding:28px 22px}}