*{box-sizing:border-box}
:root{
  --bg:#070813;
  --panel:#11121e;
  --panel2:#0d0e18;
  --line:#29263c;
  --text:#f4f1fb;
  --muted:#9691a7;
  --purple:#7c4dff;
  --purple2:#5d2bc8;
  --danger:#d94f70;
}
html,body{margin:0;min-height:100%;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}
button,input,select{font:inherit}
button{cursor:pointer}
[hidden]{display:none!important}
.muted{color:var(--muted)}
.error{color:#ff829c;min-height:20px}
.login-screen{min-height:100vh;display:grid;place-items:center;position:relative;overflow:hidden;padding:24px}
.login-glow{position:absolute;width:700px;height:700px;border-radius:50%;background:radial-gradient(circle,#6f32ff33,transparent 62%);filter:blur(4px)}
.login-wrap{position:relative;width:min(430px,100%);text-align:center}
.brand-mark{font-size:72px;filter:drop-shadow(0 0 25px #885cff)}
.brand-mark.small{font-size:34px}
.login-wrap h1{letter-spacing:.16em;margin:8px 0 3px}
.subtitle{letter-spacing:.42em;color:#9a8dba;font-size:12px;margin-bottom:28px}
.login-card,.panel,.stat-card{background:linear-gradient(180deg,#131421,#0f101b);border:1px solid var(--line);box-shadow:0 22px 60px #0005}
.login-card{border-radius:18px;padding:28px;text-align:left}
.login-card h2{text-align:center;letter-spacing:.14em;font-size:15px}
label{display:block;color:#aaa5b7;font-size:13px;margin-top:16px}
input,select{width:100%;height:46px;border:1px solid #312e46;border-radius:9px;background:#090a12;color:#fff;padding:0 12px;outline:none}
input:focus,select:focus{border-color:#7654cb;box-shadow:0 0 0 3px #7444d822}
.primary{border:1px solid #946dff;background:linear-gradient(180deg,var(--purple),var(--purple2));color:white;border-radius:9px;padding:12px 16px;font-weight:800}
.login-card .primary{width:100%;margin-top:22px}
.app-shell{min-height:100vh;display:grid;grid-template-columns:250px 1fr}
.sidebar{border-right:1px solid var(--line);background:#090a13;padding:22px 16px;display:flex;flex-direction:column;gap:26px}
.sidebar-brand{display:flex;align-items:center;gap:10px}
.sidebar-brand strong{font-size:13px;letter-spacing:.08em}
.sidebar-brand span{display:block;font-size:9px;letter-spacing:.25em;color:#8e86a7;margin-top:4px}
nav{display:grid;gap:7px}
.nav-item{border:0;background:transparent;color:#aaa5b7;padding:12px 14px;border-radius:9px;text-align:left}
.nav-item.active,.nav-item:hover{background:#171328;color:#e9ddff}
.profile-box{margin-top:auto;border:1px solid var(--line);border-radius:12px;padding:14px;background:#0e0f19}
.profile-box span{display:block;color:#8e8999;font-size:12px;margin:3px 0 12px}
.profile-box button{border:1px solid #353044;background:#151620;color:#ddd;border-radius:8px;padding:8px 10px;width:100%}
.content{padding:30px;max-width:1400px;width:100%}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}
.topbar h1{margin:0;font-size:27px}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:18px}
.stat-card{border-radius:14px;padding:20px}
.stat-card span{display:block;color:#9b95aa;font-size:13px}
.stat-card strong{display:block;font-size:30px;margin-top:6px}
.panel{border-radius:14px;padding:20px;margin-bottom:18px}
.panel h2{margin:0 0 8px}
.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.link-form{display:grid;grid-template-columns:1fr 1.6fr 1fr auto;gap:10px}
.generated-box{display:grid;grid-template-columns:1fr auto;gap:10px;margin-top:14px}
.generated-box button,.action{border:1px solid #3a3155;background:#171429;color:#ded2ff;border-radius:8px;padding:9px 12px}
.links-list,.users-list{display:grid;gap:10px}
.link-row,.user-row{display:grid;gap:12px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:11px;background:#0d0e17}
.link-row{grid-template-columns:1.1fr 1.6fr auto auto}
.user-row{grid-template-columns:1fr auto auto}
.link-row code{word-break:break-all;color:#cabaff}
.meta{font-size:12px;color:#8f899d;margin-top:4px}
.danger{border:1px solid #663145;background:#27121a;color:#ff9ab0;border-radius:8px;padding:9px 12px}
.user-form{display:grid;grid-template-columns:1fr 1fr auto;gap:10px;margin-bottom:16px}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:11px;border-bottom:1px solid #282538;font-size:13px;vertical-align:top}
th{color:#a49eb0}
@media(max-width:900px){
  .app-shell{grid-template-columns:1fr}
  .sidebar{position:static;border-right:0;border-bottom:1px solid var(--line)}
  .profile-box{margin-top:0}
  .link-form,.user-form,.link-row{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .content{padding:18px}
}