@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap");:root{--bg:#0a0e17;--panel:hsla(0,0%,100%,.035);--panel-solid:#12151f;--border:hsla(0,0%,100%,.09);--border-strong:hsla(0,0%,100%,.16);--text:#eceff4;--text-dim:#8b93a6;--accent-teal:#2dd4bf;--accent-indigo:#6366f1;--accent-gradient:linear-gradient(135deg,var(--accent-teal),var(--accent-indigo));--danger:#f2667a;--danger-bg:rgba(242,102,122,.12);--success:#34d399;--success-bg:rgba(52,211,153,.12);--radius:14px;--radius-sm:9px}*{box-sizing:border-box}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.001ms!important;transition-duration:.001ms!important}}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:radial-gradient(1200px 600px at -10% -10%,rgba(45,212,191,.08),transparent 60%),radial-gradient(1000px 700px at 110% 110%,rgba(99,102,241,.1),transparent 60%),var(--bg);background-attachment:fixed;color:var(--text);-webkit-font-smoothing:antialiased}h1,h2,h3{font-family:Space Grotesk,Inter,sans-serif;font-weight:600;letter-spacing:-.01em}a{color:inherit}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent-teal);outline-offset:2px}.container{max-width:1100px;margin:0 auto;padding:32px 20px}.topbar{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;background:rgba(10,14,23,.7);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;z-index:40}.topbar .brand{font-family:Space 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var(--border-strong);box-shadow:none}.btn-secondary:hover:not(:disabled){background:hsla(0,0%,100%,.1);filter:none;box-shadow:none}.btn-danger{background:linear-gradient(135deg,#f2667a,#d9435a);color:#fff;box-shadow:none}.btn-danger:hover:not(:disabled){filter:brightness(1.1);box-shadow:0 4px 16px rgba(242,102,122,.3)}input,select,textarea{width:100%;padding:10px 12px;border-radius:var(--radius-sm);border:1px solid var(--border);background:hsla(0,0%,100%,.03);color:var(--text);margin-bottom:12px;font-size:14px;font-family:inherit;transition:border-color .15s ease,background .15s ease}input:focus,select:focus,textarea:focus{border-color:var(--accent-teal);background:hsla(0,0%,100%,.05)}input[type=checkbox]{width:auto}label{font-family:inherit}.card{background:var(--panel);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));grid-gap:20px;gap:20px;margin-top:24px}.course-card{border-radius:var(--radius);overflow:hidden;background:var(--panel);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}.clickable-row.course-card:hover,a:hover>.course-card{transform:translateY(-3px);border-color:rgba(45,212,191,.4);box-shadow:0 12px 32px rgba(0,0,0,.35),0 0 0 1px rgba(45,212,191,.08)}.course-thumb-wrap{position:relative;aspect-ratio:16/9;background:#000;overflow:hidden}.course-thumb-wrap img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s ease}.clickable-row.course-card:hover .course-thumb-wrap img,a:hover>.course-card .course-thumb-wrap img{transform:scale(1.05)}.locked-overlay{position:absolute;inset:0;background:rgba(10,14,23,.45);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;font-size:26px}.course-title{padding:12px 14px 4px;font-size:14px;font-weight:600}.tag{font-size:11px;padding:4px 10px;border-radius:999px;background:hsla(0,0%,100%,.06);border:1px solid var(--border);display:inline-block;margin:8px 14px 12px;color:var(--text-dim)}.error{color:var(--danger);background:var(--danger-bg);border:1px solid rgba(242,102,122,.25);border-radius:var(--radius-sm)}.error,.success{font-size:13px;margin-bottom:12px;padding:10px 14px}.success{color:var(--success);background:var(--success-bg);border:1px solid rgba(52,211,153,.25);border-radius:var(--radius-sm)}table{width:100%;border-collapse:collapse;margin-top:12px}td,th{text-align:left;padding:12px 10px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--text-dim);font-weight:500;font-size:12px;text-transform:none}.tabs{display:flex;gap:6px;margin-bottom:24px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-sm);padding:5px;width:-moz-fit-content;width:fit-content}.tabs button{background:transparent;color:var(--text-dim);box-shadow:none;font-weight:500}.tabs button:hover:not(:disabled){filter:none;box-shadow:none;color:var(--text)}.tabs button.active{background:var(--accent-gradient);color:#06110f;box-shadow:0 2px 8px rgba(45,212,191,.25)}.modal-overlay{position:fixed;inset:0;background:rgba(5,7,12,.7);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px;animation:fadeIn .18s ease}.modal-panel{background:rgba(18,21,31,.85);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid var(--border-strong);border-radius:18px;width:100%;max-width:520px;max-height:85vh;overflow-y:auto;padding:24px;box-shadow:0 24px 64px rgba(0,0,0,.5);animation:modalIn .22s cubic-bezier(.16,1,.3,1)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes modalIn{0%{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px}.modal-close{background:hsla(0,0%,100%,.06);border:1px solid var(--border);color:var(--text);width:32px;height:32px;border-radius:999px;cursor:pointer;font-size:15px;box-shadow:none;transition:background .15s ease,transform .15s ease}.modal-close:hover{background:hsla(0,0%,100%,.12);transform:rotate(90deg)}.status-badge{font-size:12px;padding:4px 10px;border-radius:999px;display:inline-block;font-weight:500}.status-badge.active{background:var(--success-bg);color:var(--success)}.status-badge.inactive{background:var(--danger-bg);color:var(--danger)}.enrolled-course-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--border);font-size:14px}.clickable-row{cursor:pointer;transition:background .15s ease}tr.clickable-row:hover{background:hsla(0,0%,100%,.03)}