*{box-sizing:border-box}
:root{
  --bg:#f5f5f7;
  --card:rgba(255,255,255,.72);
  --border:rgba(255,255,255,.8);
  --text:#1d1d1f;
  --muted:#6e6e73;
  --blue:#007aff;
  --green:#34c759;
  --red:#ff3b30;
  --orange:#ff9500;
  --shadow:0 12px 40px rgba(0,0,0,.08);
}
html,body{margin:0;min-height:100%;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text",Arial,sans-serif;background:
radial-gradient(circle at 10% 0%,#dceeff 0,transparent 30%),
radial-gradient(circle at 90% 10%,#eadfff 0,transparent 28%),
var(--bg);color:var(--text)}
body{padding:24px}
button,input{font:inherit}
button{cursor:pointer;border:0}
.hidden{display:none!important}
.glass{
  background:var(--card);
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  backdrop-filter:blur(28px) saturate(160%);
  -webkit-backdrop-filter:blur(28px) saturate(160%);
}
.login-screen{min-height:calc(100vh - 48px);display:grid;place-items:center}
.login-card{width:min(420px,100%);padding:44px 32px;text-align:center;border-radius:32px}
.brand-icon{
  width:72px;height:72px;margin:0 auto 20px;border-radius:22px;
  display:grid;place-items:center;font-size:34px;
  background:rgba(0,122,255,.12)
}
h1,h2,h3,p{margin-top:0}
.login-card h1{margin-bottom:6px;font-size:30px}
.login-card p,.page-head p{color:var(--muted)}
.primary-btn,.success-btn,.warning-btn,.danger-btn,.ghost-btn{
  min-height:46px;padding:0 20px;border-radius:15px;font-weight:700;
  transition:.2s transform,.2s opacity,.2s box-shadow;
}
.primary-btn{background:var(--blue);color:white;box-shadow:0 8px 22px rgba(0,122,255,.22)}
.success-btn{background:var(--green);color:white}
.warning-btn{background:var(--orange);color:white}
.danger-btn{background:var(--red);color:white}
.ghost-btn{background:rgba(118,118,128,.12);color:var(--text)}
.primary-btn:hover,.success-btn:hover,.warning-btn:hover,.danger-btn:hover,.ghost-btn:hover{transform:translateY(-1px);opacity:.9}
.login-card .primary-btn{width:100%;margin-top:18px}
.topbar{padding:20px 24px;border-radius:24px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.eyebrow{font-size:11px;letter-spacing:2px;color:var(--muted);font-weight:800}
.topbar h1{margin:4px 0 0;font-size:26px}
.admin-info{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:14px}
.tabs{margin:16px 0;padding:8px;border-radius:20px;display:flex;gap:6px;overflow:auto}
.tab{flex:1;min-width:130px;padding:12px 14px;border-radius:14px;background:transparent;color:var(--muted);font-weight:700;white-space:nowrap}
.tab.active{background:rgba(0,122,255,.12);color:var(--blue)}
main{max-width:1400px;margin:auto}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.stat-card{padding:22px;border-radius:22px}
.stat-card span{display:block;color:var(--muted);font-size:14px;margin-bottom:10px}
.stat-card strong{font-size:28px}
.stat-card small{color:var(--muted);margin-right:5px}
.section-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:16px 0}
.panel-card{padding:24px;border-radius:22px}
.big-number{font-size:34px;font-weight:800;margin:18px 0 8px}
.panel-card p{color:var(--muted);font-size:13px}
.status-row{display:flex;align-items:center;gap:9px;margin:12px 0}
.dot{width:9px;height:9px;border-radius:50%;display:inline-block}
.online{background:var(--green);box-shadow:0 0 12px rgba(52,199,89,.5)}
.page-head{display:flex;justify-content:space-between;align-items:center;margin:10px 0 18px}
.page-head h2{margin-bottom:5px}
.search-box,.form-card{padding:18px;border-radius:22px;margin-bottom:16px}
input{
  width:100%;border:0;outline:0;background:rgba(118,118,128,.10);
  border-radius:14px;padding:14px 16px;color:var(--text);
  margin:6px 0 14px
}
label{display:block;font-size:13px;font-weight:700;color:var(--muted)}
.users-list,.data-list{display:grid;gap:10px}
.user-row,.data-row{
  padding:18px 20px;border-radius:19px;
  background:rgba(255,255,255,.68);
  border:1px solid rgba(255,255,255,.8);
  display:flex;align-items:center;justify-content:space-between;gap:15px;
  box-shadow:0 6px 20px rgba(0,0,0,.045)
}
.user-main{min-width:0}
.user-email{font-weight:750;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.user-meta{color:var(--muted);font-size:13px;margin-top:6px}
.badge{padding:6px 10px;border-radius:999px;font-size:12px;font-weight:700}
.badge.green{background:rgba(52,199,89,.13);color:#16833a}
.badge.red{background:rgba(255,59,48,.13);color:#c51e17}
.result{margin-top:15px;padding:15px;border-radius:16px;background:rgba(52,199,89,.1);display:flex;align-items:center;gap:12px}
.result code{font-weight:800;letter-spacing:1px;flex:1}
.modal{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:20px}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.35);backdrop-filter:blur(8px)}
.modal-card{position:relative;width:min(850px,100%);max-height:90vh;overflow:auto;padding:28px;border-radius:28px}
.modal-close{position:absolute;top:15px;left:15px;width:38px;height:38px;border-radius:50%;background:rgba(118,118,128,.12);font-size:24px}
.action-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:20px 0 28px}
.user-detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}
.detail-box{padding:16px;border-radius:17px;background:rgba(118,118,128,.08)}
.detail-box span{display:block;color:var(--muted);font-size:12px;margin-bottom:6px}
.detail-box strong{font-size:17px}
.data-row{display:block}
.data-title{font-weight:750}
.data-meta{color:var(--muted);font-size:12px;margin-top:7px;line-height:1.8}
@media(max-width:800px){
  body{padding:12px}
  .login-screen{min-height:calc(100vh - 24px)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .section-grid{grid-template-columns:1fr}
  .topbar{padding:17px}
  .admin-info span{display:none}
  .tabs{border-radius:17px}
  .tab{min-width:115px}
  .action-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
  .stats-grid{grid-template-columns:1fr 1fr;gap:10px}
  .stat-card{padding:16px}
  .stat-card strong{font-size:22px}
  .user-row{align-items:flex-start;flex-direction:column}
  .user-detail-grid{grid-template-columns:1fr}
}