:root{--bg:#000;--card-bg:rgba(10,5,30,0.85);--primary:0,229,255;--secondary:233,30,219}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:#fff;font-family:Arial,sans-serif;min-height:100vh}.admin-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.admin-card{width:100%;max-width:420px;background:var(--card-bg);border:1px solid rgba(var(--primary),.4);border-radius:16px;padding:32px;box-shadow:0 0 20px rgba(var(--primary),.25),inset 0 0 20px rgba(var(--primary),.05)}.admin-logo{font-size:22px;font-weight:700;letter-spacing:1px;text-align:center;color:#fff;text-shadow:0 0 10px rgba(var(--primary),.8),0 0 20px rgba(var(--primary),.4);margin-bottom:24px}.admin-field{width:100%;padding:12px 14px;margin-bottom:16px;background:rgba(255,255,255,.04);border:1.5px solid rgba(var(--primary),.4);border-radius:8px;color:#fff;font-size:15px}.admin-field:focus{outline:none;border-color:rgba(var(--primary),.9);box-shadow:0 0 12px rgba(var(--primary),.4)}.admin-field option{background-color:#0a051e;color:#fff}.admin-btn{width:100%;padding:12px;border-radius:8px;border:1.5px solid rgba(var(--primary),.7);background:rgba(var(--primary),.12);color:#fff;font-size:15px;font-weight:700;cursor:pointer;transition:box-shadow .2s,transform .1s}.admin-btn:hover{box-shadow:0 0 16px rgba(var(--primary),.4)}.admin-btn:active{transform:scale(.98)}.admin-btn.secondary{border-color:rgba(var(--secondary),.6);background:rgba(var(--secondary),.08)}.admin-btn.secondary:hover{box-shadow:0 0 16px rgba(var(--secondary),.3)}.admin-error{color:rgba(var(--secondary),.9);font-size:14px;margin-bottom:12px;text-align:center}.admin-topbar{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;border-bottom:1px solid rgba(var(--primary),.25);position:relative}.admin-hamburger{display:none;width:40px;height:40px;align-items:center;justify-content:center;background:transparent;border:1.5px solid rgba(var(--primary),.5);border-radius:8px;color:#fff;font-size:18px;line-height:1;cursor:pointer}.admin-nav-links{display:flex;gap:20px;align-items:center}@media (max-width:680px){.admin-hamburger{display:flex}.admin-nav-links{display:none;flex-direction:column;align-items:stretch;gap:2px;position:absolute;top:100%;left:0;right:0;background:#0a051e;border-bottom:1px solid rgba(var(--primary),.25);box-shadow:0 12px 24px rgba(0,0,0,.5);padding:8px 16px 16px;z-index:50}.admin-nav-links--open{display:flex}.admin-nav-links a{padding:12px 8px;border-radius:8px;border-bottom:1px solid rgba(255,255,255,.06)}.admin-nav-links a:active{background:rgba(var(--primary),.1)}}.admin-main{padding:32px 24px;max-width:1400px;margin:0 auto}.folder-kaart{transition:box-shadow .2s,transform .15s,border-color .2s}.folder-kaart:hover{box-shadow:0 0 28px rgba(var(--kleur),.45);border-color:rgba(var(--kleur),.9)!important;transform:translateY(-3px)}.schakelaar{position:relative;display:inline-block;width:52px;height:28px;flex-shrink:0}.schakelaar input{opacity:0;width:0;height:0}.schakelaar-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:rgba(255,255,255,.08);border:1.5px solid rgba(var(--kleur),.5);border-radius:28px;transition:background-color .2s,box-shadow .2s}.schakelaar-slider:before{position:absolute;content:"";height:20px;width:20px;left:2.5px;bottom:2.5px;background-color:rgba(255,255,255,.6);border-radius:50%;transition:transform .2s,background-color .2s,box-shadow .2s}.schakelaar input:checked+.schakelaar-slider{background-color:rgba(var(--kleur),.25);box-shadow:0 0 12px rgba(var(--kleur),.5)}.schakelaar input:checked+.schakelaar-slider:before{transform:translateX(24px);background-color:rgb(var(--kleur));box-shadow:0 0 8px rgba(var(--kleur),.8)}.schakelaar input:disabled+.schakelaar-slider{opacity:.5;cursor:default}