:root{--bg: #ffffff;--bg-soft: #f6f8fc;--bg-soft2: #eef2f9;--surface: #ffffff;--ink: #1e2954;--indigo: #3b4fd4;--indigo-d: #2c3aa8;--teal: #0fb9a6;--teal-l: #2dd4bf;--text: #1e2954;--text-dim: #5a6585;--text-faint: #8a93ad;--border: #e6eaf2;--border-2: #d8deeb;--shadow: 0 10px 30px rgba(30, 41, 84, .08);--shadow-lg: 0 24px 60px rgba(30, 41, 84, .14);--radius: 18px;--danger: #e24b4a}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg-soft);color:var(--text)}a{color:inherit;text-decoration:none}.page-shell{min-height:100vh;display:flex;flex-direction:column}.container{max-width:900px;margin:0 auto;padding:0 20px;width:100%}.site-nav{background:var(--surface);border-bottom:1px solid var(--border);padding:16px 0}.site-nav .container{display:flex;align-items:center;justify-content:space-between}.brand{font-weight:800;font-size:1.2rem;color:var(--ink);display:flex;align-items:center;gap:8px}.brand-badge{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--indigo),var(--indigo-d));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}.enrollment-image{position:relative}.enrollment-image:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:0;background:linear-gradient(180deg,#0a0e1eb8,#0a0e1e6b 55%,#0a0e1e26);pointer-events:none}.enrollment-image>*{position:relative;z-index:1}.enroll-hero{text-align:center;padding:110px 0 24px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--indigo);font-weight:700;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px}.enroll-hero h1{font-size:2.2rem;color:var(--ink);margin:0 0 10px}.enroll-hero h1 span{color:var(--indigo)}.enroll-hero p{color:var(--text-dim);max-width:560px;margin:0 auto}.enrollment-image .eyebrow,.enrollment-image .enroll-hero h1,.enrollment-image .enroll-hero h1 span,.enrollment-image .enroll-hero p{color:#fff;text-shadow:0 2px 12px rgba(0,0,0,.45)}.form-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:32px;margin:24px 0 60px}.field-group{margin-bottom:20px}.field-group label{display:block;font-weight:600;font-size:.92rem;color:var(--ink);margin-bottom:6px}.field-group .hint{font-weight:400;color:var(--text-faint);font-size:.8rem}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}@media (max-width: 640px){.field-row{grid-template-columns:1fr}}input[type=text],input[type=tel],input[type=password],input[type=email],select,textarea{width:100%;padding:12px 14px;border:1px solid var(--border-2);border-radius:10px;font-size:.95rem;color:var(--text);background:var(--bg-soft);outline:none;transition:border-color .2s,box-shadow .2s}select option{background:var(--surface);color:var(--text)}input:focus,select:focus,textarea:focus{border-color:var(--indigo);box-shadow:0 0 0 3px #3b4fd41f;background:var(--surface)}.field-error{color:var(--danger);font-size:.8rem;margin-top:6px}.honeypot-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.btn-primary{background:linear-gradient(135deg,var(--indigo),var(--indigo-d));color:#fff;border:none;padding:14px 28px;font-size:1rem;font-weight:700;border-radius:12px;cursor:pointer;box-shadow:0 8px 20px #3b4fd447;transition:transform .2s,box-shadow .2s,opacity .2s}.btn-primary:hover:not(:disabled){transform:translateY(-2px)}.btn-primary:disabled{opacity:.65;cursor:not-allowed}.form-actions{display:flex;gap:12px}.form-actions .btn-primary,.form-actions .btn-secondary{width:auto;flex:1}@media (max-width: 480px){.form-actions{flex-direction:column-reverse}}.btn-secondary{background:var(--bg-soft);color:var(--ink);border:1px solid var(--border-2);padding:14px 18px;border-radius:12px;font-weight:600;font-size:1rem;cursor:pointer;transition:background .2s,border-color .2s}.btn-secondary:hover:not(:disabled){background:var(--surface);border-color:var(--indigo)}.btn-secondary:disabled{opacity:.6;cursor:not-allowed}.rs__control{border-radius:10px!important;border-color:var(--border-2)!important;background:var(--bg-soft)!important;min-height:46px!important}.rs__control--is-focused{border-color:var(--indigo)!important;box-shadow:0 0 0 3px #3b4fd41f!important}.rs__multi-value{background:#3b4fd41f!important;border-radius:8px!important}.rs__multi-value__label{color:var(--indigo-d)!important}.rs__single-value,.rs__input-container,.rs__input{color:var(--text)!important}.rs__placeholder,.rs__indicator{color:var(--text-faint)!important}.rs__indicator-separator{background:var(--border-2)!important}.rs__menu{background:var(--surface)!important;border:1px solid var(--border-2)!important;box-shadow:var(--shadow-lg)!important;z-index:20!important}.rs__option{color:var(--text)!important;background:transparent!important}.rs__option--is-focused{background:var(--bg-soft)!important}.rs__option--is-selected,.rs__multi-value__remove:hover{background:var(--indigo)!important;color:#fff!important}.admin-shell{min-height:100vh;background:var(--bg-soft)}.admin-login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:radial-gradient(600px circle at 15% 10%,rgba(59,79,212,.16),transparent 60%),radial-gradient(600px circle at 85% 90%,rgba(15,185,166,.14),transparent 60%),var(--ink)}.admin-login-card{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:44px 36px 36px;width:100%;max-width:400px;overflow:hidden}.admin-login-card:before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,var(--indigo),var(--teal))}.admin-login-brand{display:flex;align-items:center;gap:10px;margin-bottom:28px;font-weight:800;font-size:.95rem;color:var(--ink)}.admin-login-brand img{width:40px;height:auto}.admin-login-card h2{margin:0 0 4px;color:var(--ink);font-size:1.5rem}.admin-login-sub{margin:0 0 28px;color:var(--text-dim);font-size:.88rem}.admin-login-card .field-group label{display:flex;align-items:center;gap:6px}.admin-login-btn{margin-top:6px}.admin-login-footnote{margin:18px 0 0;text-align:center;font-size:.76rem;color:var(--text-faint)}@media (max-width: 480px){.admin-login-card{padding:34px 22px 28px}}.admin-topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:14px 0}.admin-container{max-width:1440px;margin:0 auto;padding:0 24px}.admin-topbar .admin-container{display:flex;align-items:center;justify-content:space-between}.admin-topbar-logo{width:36px;height:auto;margin-right:4px}.admin-body{padding:24px 24px 60px}.stat-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 22px}.stat-card-accent{background:linear-gradient(135deg,var(--indigo),var(--indigo-d));border-color:transparent}.stat-card-accent .stat-card-value,.stat-card-accent .stat-card-label{color:#fff}.stat-card-value{font-size:2rem;font-weight:800;color:var(--indigo);line-height:1.1;margin-bottom:4px}.stat-card-label{font-size:.82rem;color:var(--text-dim);font-weight:600}.stat-card-wide{grid-column:span 2}@media (max-width: 720px){.stat-card-wide{grid-column:span 1}}.course-count-list{display:flex;flex-wrap:wrap;gap:8px}.course-count-chip{display:inline-flex;align-items:center;gap:6px;background:var(--bg-soft);border:1px solid var(--border);border-radius:999px;padding:6px 12px;font-size:.8rem;color:var(--text-dim)}.course-count-chip strong{color:var(--indigo);font-family:inherit}.toolbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:18px}.toolbar input,.toolbar select{max-width:220px}.data-table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow-x:auto;max-height:70vh;overflow-y:auto}table.data-table{width:100%;min-width:1300px;border-collapse:collapse}table.data-table th,table.data-table td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--border);font-size:.88rem;white-space:nowrap}table.data-table th{position:sticky;top:0;z-index:1;background:var(--bg-soft);color:var(--ink);font-weight:700;font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;border-bottom:2px solid var(--border-2)}table.data-table tbody tr:nth-child(2n) td{background:var(--bg-soft)}table.data-table tr:hover td{background:#3b4fd412}table.data-table td:first-child{font-weight:600;color:var(--ink)}.badge{display:inline-block;padding:4px 10px;border-radius:999px;background:#0fb9a61f;color:var(--teal);font-size:.75rem;font-weight:700}.pagination{display:flex;gap:8px;justify-content:center;margin-top:18px}.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.5);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;margin-right:8px;vertical-align:middle}@keyframes spin{to{transform:rotate(360deg)}}