:root {
  --bg:#0a0a0f; --bg-2:#11111a; --bg-3:#1a1a25; --border:#2a2a3a;
  --text:#e6e6ea; --muted:#8a8a99;
  --primary:#2563eb; --primary-hover:#1d4ed8;
  --success:#2ea043; --warn:#d29922; --danger:#1e3a8a;
  --white:#fff; --link:#58a6ff;
}
*{box-sizing:border-box} html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.45;min-height:100vh}
a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}

.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(1200px 600px at 80% -10%,rgba(37,99,235,.20),transparent 60%),var(--bg)}
.login-card{width:100%;max-width:380px;background:var(--bg-2);border:1px solid var(--border);border-radius:14px;padding:32px;box-shadow:0 30px 60px rgba(0,0,0,.4)}
.brand{text-align:center;margin-bottom:22px}
.brand-logo{display:inline-block;font-weight:800;font-size:26px;letter-spacing:.5px;background:linear-gradient(135deg,#60a5fa,#2563eb);-webkit-background-clip:text;background-clip:text;color:transparent}

.shell{display:flex;min-height:100vh}
.sidebar{width:230px;background:var(--bg-2);border-right:1px solid var(--border);padding:18px 0;position:sticky;top:0;height:100vh;overflow-y:auto}
.sidebar .logo{padding:0 22px 22px;font-weight:800;font-size:18px;color:#fff}
.sidebar .logo span{color:var(--primary)}
.sidebar a{display:block;padding:10px 22px;color:var(--muted);border-left:3px solid transparent}
.sidebar a:hover{background:var(--bg-3);color:#fff;text-decoration:none}
.sidebar a.active{background:var(--bg-3);color:#fff;border-left-color:var(--primary)}
.main{flex:1;padding:24px 32px;max-width:100%}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
.topbar h1{margin:0;font-size:22px;color:#fff}
.user-chip{background:var(--bg-2);border:1px solid var(--border);padding:6px 12px;border-radius:999px;font-size:13px;color:var(--muted)}
.user-chip b{color:#fff}

label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
input[type=text],input[type=password],input[type=number],input[type=url],input[type=email],input[type=datetime-local],input[type=search],select,textarea{
  width:100%;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:10px 12px;font-size:14px;font-family:inherit;outline:none}
input:focus,select:focus,textarea:focus{border-color:#60a5fa;box-shadow:0 0 0 3px rgba(37,99,235,.22)}
textarea{min-height:100px;resize:vertical;font-family:ui-monospace,Menlo,Consolas,monospace}
.form-row{margin-bottom:14px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}

.btn{display:inline-block;padding:10px 18px;background:linear-gradient(135deg,#2563eb 0%,#1d4ed8 45%,#1e3a8a 100%);color:#fff;border:none;border-radius:8px;font-weight:600;font-size:14px;cursor:pointer;font-family:inherit;text-decoration:none;box-shadow:0 8px 18px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.14);transition:filter .15s ease,transform .15s ease,box-shadow .15s ease}
.btn:hover{background:linear-gradient(135deg,#1d4ed8 0%,#1e40af 45%,#172554 100%);text-decoration:none;box-shadow:0 10px 22px rgba(0,0,0,.42),inset 0 1px 0 rgba(255,255,255,.12);filter:brightness(1.04)}
.btn:active{transform:translateY(1px);filter:brightness(.96)}
.btn-block{display:block;width:100%}
.btn-secondary{background:var(--bg-3);color:var(--text);border:1px solid var(--border)}
.btn-secondary:hover{background:#232333}
.btn-danger{background:var(--danger)}.btn-danger:hover{background:#f04943}
.btn-sm{padding:6px 12px;font-size:13px}

.card{background:var(--bg-2);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:18px}
.card h2{margin:0 0 14px;font-size:16px;color:#fff}

.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border)}
th{color:var(--muted);font-weight:600;text-transform:uppercase;font-size:11px;letter-spacing:.5px}
tr:hover td{background:var(--bg-3)}
td .thumb{width:36px;height:36px;border-radius:6px;object-fit:cover;background:var(--bg-3)}
.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.badge-active{background:rgba(46,160,67,.15);color:var(--success)}
.badge-suspended{background:rgba(218,54,51,.15);color:var(--danger)}
.badge-warn{background:rgba(210,153,34,.15);color:var(--warn)}

.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:13px}
.alert-error{background:rgba(218,54,51,.1);border:1px solid rgba(218,54,51,.3);color:#ff8b88}
.alert-success{background:rgba(46,160,67,.1);border:1px solid rgba(46,160,67,.3);color:#7ee787}
.alert-warn{background:rgba(210,153,34,.1);border:1px solid rgba(210,153,34,.3);color:#f0c674}

.muted{color:var(--muted)}.right{text-align:right}
.flex-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.between{display:flex;justify-content:space-between;align-items:center}
.mt-2{margin-top:8px}.mt-3{margin-top:14px}.mt-4{margin-top:22px}
.mb-2{margin-bottom:8px}.mb-3{margin-bottom:14px}
code{background:var(--bg-3);padding:2px 6px;border-radius:4px;font-size:12px}
hr.div{border:none;border-top:1px solid var(--border);margin:16px 0}

@media (max-width:760px){.sidebar{width:70px}.sidebar .logo{font-size:14px;padding:0 10px 18px;text-align:center}.sidebar a{padding:10px;text-align:center;font-size:11px}.main{padding:16px}.form-grid,.form-grid-3{grid-template-columns:1fr}}