:root{
  --bg:#f6f7fb; --panel:#fff; --ink:#1a1f36; --muted:#6b7280;
  --brand:#7c3aed; --brand-2:#06b6d4; --ok:#10b981; --warn:#f59e0b; --err:#ef4444;
  --line:#e5e7eb; --shadow:0 4px 14px rgba(20,20,40,.06);
}
*{box-sizing:border-box} html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--brand);text-decoration:none}

/* Layout */
.sidebar{position:fixed;left:0;top:0;bottom:0;width:240px;background:linear-gradient(180deg,#1a1f36,#2a1f5c);color:#dfe3ee;overflow-y:auto;z-index:20}
.sidebar .brand{padding:18px 18px;font-weight:800;font-size:18px;color:#fff;display:flex;gap:8px;align-items:center;border-bottom:1px solid rgba(255,255,255,.08)}
.sidebar nav{padding:10px 8px}
.sidebar .group{padding:14px 12px 6px;font-size:11px;letter-spacing:.08em;color:#9aa1bf;text-transform:uppercase}
.sidebar a{display:block;padding:9px 12px;border-radius:8px;color:#dfe3ee;font-size:14px}
.sidebar a:hover{background:rgba(255,255,255,.06)}
.sidebar a.active{background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#fff;font-weight:600}
.main{margin-left:240px;min-height:100vh;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 22px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.topbar h1{margin:0;font-size:18px}
.topbar .user{display:flex;gap:10px;align-items:center;font-size:13px;color:var(--muted)}
.hamburger{display:none;background:none;border:0;font-size:22px;cursor:pointer}
.content{padding:22px;flex:1}
.foot{padding:14px 22px;color:var(--muted);font-size:12px;border-top:1px solid var(--line);background:#fff}

/* Cards / KPIs */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:20px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:var(--shadow)}
.card .lbl{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.card .val{font-size:24px;font-weight:700;margin-top:6px}
.card .sub{font-size:12px;color:var(--muted);margin-top:4px}
.card.brand{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border:0}
.card.brand .lbl,.card.brand .sub{color:rgba(255,255,255,.85)}
.card.ok{border-left:4px solid var(--ok)}
.card.warn{border-left:4px solid var(--warn)}
.card.err{border-left:4px solid var(--err)}

/* Panels & tables */
.panel{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);margin-bottom:18px;overflow:hidden}
.panel .ph{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line)}
.panel .ph h3{margin:0;font-size:15px}
.panel .pb{padding:16px 18px}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
th{background:#fafafe;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
tr:hover td{background:#fafbff}
.right{text-align:right}.center{text-align:center}
.empty{padding:30px;text-align:center;color:var(--muted)}

/* Forms */
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
label{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}
input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(124,58,237,.15)}
textarea{min-height:70px;resize:vertical}
.btn{display:inline-block;padding:9px 16px;border-radius:8px;border:0;background:var(--brand);color:#fff;font-weight:600;cursor:pointer;font-size:14px;text-decoration:none}
.btn:hover{filter:brightness(1.08)}
.btn-sm{padding:5px 10px;font-size:12px}
.btn-ok{background:var(--ok)} .btn-warn{background:var(--warn)} .btn-err{background:var(--err)} .btn-ghost{background:#eef0fa;color:var(--ink)}
.actions{display:flex;gap:6px;flex-wrap:wrap}

/* Status pills */
.pill{display:inline-block;padding:3px 9px;border-radius:99px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.pill-ok{background:#d1fae5;color:#065f46}
.pill-warn{background:#fef3c7;color:#92400e}
.pill-err{background:#fee2e2;color:#991b1b}
.pill-info{background:#e0e7ff;color:#3730a3}
.pill-mute{background:#f1f5f9;color:#475569}

/* Flash */
.flash{margin:14px 22px 0;padding:12px 16px;border-radius:10px;font-size:14px}
.flash.ok{background:#d1fae5;color:#065f46;border:1px solid #6ee7b7}
.flash.err{background:#fee2e2;color:#991b1b;border:1px solid #fca5a5}

/* Login */
.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#1a1f36,#2a1f5c)}
.login-card{background:#fff;padding:34px;border-radius:18px;width:380px;max-width:92vw;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.login-card h1{margin:0 0 6px;font-size:22px}
.login-card p{margin:0 0 22px;color:var(--muted);font-size:13px}

/* Responsive */
@media (max-width:900px){
  .sidebar{transform:translateX(-100%);transition:transform .25s}
  body.sb-open .sidebar{transform:translateX(0)}
  .main{margin-left:0}
  .hamburger{display:block}
}