:root{
  --bg:#0b0b0f; --bg2:#14141b; --card:#1a1a23; --card2:#22222d; --line:#2a2a35;
  --text:#f4f4f7; --muted:#9a9aa8; --primary:#7c5cff; --danger:#ff4d5e; --ok:#38d39f; --blue:#1d9bf0;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.45}
a{color:var(--primary);text-decoration:none}
h1{font-size:22px;margin:0 0 16px}
h2{font-size:16px;margin:0 0 12px}
h2.sec{color:var(--muted);font-size:14px;margin:22px 0 12px;text-transform:uppercase;letter-spacing:.5px}

/* Topbar */
.topbar{position:sticky;top:0;z-index:5;display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;
  background:#101016;border-bottom:1px solid var(--line);padding:10px 16px}
.brand{font-weight:800;font-size:18px;color:var(--text)}
.brand span{color:var(--primary)}
.topbar nav{display:flex;gap:4px;flex:1;flex-wrap:wrap}
.topbar nav a{color:var(--muted);padding:8px 12px;border-radius:10px;font-weight:600}
.topbar nav a.active,.topbar nav a:hover{color:var(--text);background:var(--card2)}
.me{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.me .uname{color:var(--muted);font-size:13px}
.me .logout{color:var(--muted);font-size:13px}
.role{font-size:11px;font-weight:700;padding:2px 8px;border-radius:8px;text-transform:uppercase;letter-spacing:.5px}
.role-read{background:rgba(154,154,168,.2);color:var(--muted)}
.role-readwrite{background:rgba(124,92,255,.22);color:var(--primary)}

.wrap{max-width:920px;margin:0 auto;padding:18px 16px 60px}

.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;margin-bottom:16px;overflow-x:auto}
.muted{color:var(--muted)}
.flash{background:rgba(56,211,159,.14);border:1px solid rgba(56,211,159,.4);color:#9be9c9;padding:10px 14px;border-radius:12px;margin-bottom:16px}
.err{background:rgba(255,77,94,.14);border:1px solid rgba(255,77,94,.4);color:#ff9aa5;padding:10px 14px;border-radius:12px;margin-bottom:14px}

/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-bottom:16px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px}
.stat-val{font-size:26px;font-weight:800}
.stat-lbl{color:var(--muted);font-size:13px;margin-top:2px}
.stat-sub{color:var(--muted);font-size:11px;margin-top:4px}
.chart{width:100%;height:auto;display:block}

/* Tables */
.tbl{width:100%;border-collapse:collapse;min-width:520px}
.tbl th{text-align:left;color:var(--muted);font-size:12px;font-weight:600;padding:8px 10px;border-bottom:1px solid var(--line)}
.tbl td{padding:10px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.badge{display:inline-block;background:var(--card2);border-radius:8px;padding:1px 8px;font-size:12px;font-weight:700}
.badge.blue{background:rgba(29,155,240,.18);color:var(--blue)}

/* Forms */
label{display:block;color:var(--muted);font-size:13px;font-weight:600;margin:12px 0 6px}
label.check{display:flex;align-items:center;gap:8px;color:var(--text);margin-top:14px}
label.check input{width:18px;height:18px}
input[type=text],input[type=password],input[type=search],textarea,select{
  width:100%;background:var(--bg2);border:1px solid var(--line);color:var(--text);
  border-radius:12px;padding:12px 14px;font-size:16px;font-family:inherit}
textarea{resize:vertical}
input:disabled,textarea:disabled,select:disabled{opacity:.55}
button{appearance:none;border:0;background:var(--primary);color:#fff;font-weight:700;font-size:15px;
  padding:12px 18px;border-radius:12px;cursor:pointer;margin-top:16px}
button:active{opacity:.85}
.btn-danger{background:var(--danger)}
.btn-ghost{display:inline-block;background:var(--card2);color:var(--text);padding:9px 14px;border-radius:12px;font-weight:600;margin-top:0}
.btn-sm{display:inline-block;background:var(--card2);color:var(--text);padding:7px 12px;border-radius:10px;font-weight:600;font-size:13px}
.btn-sm.btn-danger{color:#fff}

.search{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.search input{flex:1;min-width:160px}
.search button,.search .btn-ghost{margin-top:0}
.row-form{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.row-form input{flex:1;min-width:160px}
.row-form select,.row-form button{margin-top:0}
.inline{display:inline;margin:0}
.inline select{width:auto;padding:6px 8px;font-size:14px}
.inline button{margin-top:0}

/* two columns on desktop, stack on mobile */
.cols{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
.user-head{display:flex;gap:14px;align-items:center}
.avatar{width:72px;height:72px;border-radius:36px;object-fit:cover;border:2px solid var(--line)}
.avatar.ph{background:var(--card2)}
.user-head .meta div{margin:2px 0;font-size:14px}
.danger-card{border-color:rgba(255,77,94,.4)}

/* Login */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}
.login-card{background:var(--bg2);border:1px solid var(--line);border-radius:20px;padding:26px;width:100%;max-width:380px}
.login-logo{font-size:30px;font-weight:800;text-align:center;margin:0 0 4px}
.login-logo span{color:var(--primary)}
.login-sub{color:var(--muted);text-align:center;margin:0 0 18px;font-size:14px}
.login-card button{width:100%}

@media (max-width:680px){
  h1{font-size:20px}
  .cols{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}
  .stat-val{font-size:22px}
  .topbar{padding:10px 12px}
  .wrap{padding:14px 12px 48px}
}