:root{
  --teal-light:#2DD4BF; --teal:#14B8A6; --teal-dark:#0F9488;
  --blue-light:#3B82F6; --blue:#2563EB; --blue-dark:#1D4ED8;
  --brand:linear-gradient(135deg,#2DD4BF 0%,#14B8A6 35%,#2563EB 100%);
  --bg:#F1F5F9; --surface:#fff; --text:#0F172A; --muted:#64748B; --border:#E2E8F0;
}
*{box-sizing:border-box}
body{margin:0;font-family:'Inter',system-ui,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:15px}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}

/* layout */
.layout{display:flex;min-height:100vh}
.sidebar{width:260px;background:linear-gradient(180deg,#0F172A 0%,#10243f 100%);color:#cbd5e1;
  display:flex;flex-direction:column;position:fixed;height:100vh;left:0;top:0}
.sidebar .logo{padding:18px 20px;background:rgba(255,255,255,.04)}
.sidebar .logo img{height:42px}
.sidebar nav{padding:10px;flex:1;overflow:auto}
.sidebar nav a{display:flex;align-items:center;gap:11px;color:#cbd5e1;padding:11px 14px;border-radius:10px;margin-bottom:3px;font-weight:500}
.sidebar nav a:hover{background:rgba(255,255,255,.07);text-decoration:none;color:#fff}
.sidebar nav a.active{background:var(--brand);color:#fff}
.sidebar nav a i{font-size:18px;width:20px;text-align:center}
.sidebar .foot{padding:14px 18px;font-size:12px;color:#64748b;border-top:1px solid rgba(255,255,255,.06)}
.main{margin-left:260px;flex:1;display:flex;flex-direction:column}
.topbar{height:64px;background:var(--surface);border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;padding:0 26px;position:sticky;top:0;z-index:10}
.topbar h1{font-size:19px;margin:0;font-weight:700}
.content{padding:26px;max-width:1180px;width:100%}

/* badges status */
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}
.badge-ok{background:#DCFCE7;color:#15803D}
.badge-warn{background:#FEF3C7;color:#B45309}
.badge-danger{background:#FEE2E2;color:#B91C1C}
.badge-muted{background:#E2E8F0;color:#475569}
.badge-info{background:#DBEAFE;color:#1D4ED8}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px 20px;box-shadow:0 1px 3px rgba(15,23,42,.05)}
.card .num{font-size:30px;font-weight:700;line-height:1}
.card .lbl{color:var(--muted);font-size:13px;margin-top:6px}
.card.accent{background:var(--brand);color:#fff;border:none}
.card.accent .lbl{color:rgba(255,255,255,.85)}

.panel{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:22px;margin-bottom:20px;box-shadow:0 1px 3px rgba(15,23,42,.04)}
.panel h2{margin:0 0 14px;font-size:17px}
.panel h3{font-size:15px;margin:18px 0 8px}
.section-title{display:flex;align-items:center;justify-content:space-between;margin:0 0 14px}

/* table */
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--border);vertical-align:middle}
th{font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}
tr:hover td{background:#f8fafc}

/* forms */
.form-row{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:14px}
.form-group{flex:1;min-width:200px;display:flex;flex-direction:column;gap:5px}
label{font-size:13px;font-weight:600;color:#334155}
input,select,textarea{font-family:inherit;font-size:14px;padding:10px 12px;border:1px solid #CBD5E1;border-radius:9px;background:#fff;color:var(--text)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
textarea{resize:vertical;min-height:90px}

.btn{display:inline-flex;align-items:center;gap:7px;padding:10px 16px;border-radius:9px;border:none;
  font-weight:600;font-size:14px;cursor:pointer;background:#E2E8F0;color:#334155;text-decoration:none}
.btn:hover{filter:brightness(.97);text-decoration:none}
.btn-primary{background:var(--brand);color:#fff}
.btn-blue{background:var(--blue);color:#fff}
.btn-teal{background:var(--teal);color:#fff}
.btn-danger{background:#FEE2E2;color:#B91C1C}
.btn-sm{padding:6px 11px;font-size:13px}
.btn-block{width:100%;justify-content:center}

.flash{padding:13px 16px;border-radius:10px;margin-bottom:14px;font-weight:500}
.flash-success{background:#DCFCE7;color:#15803D}
.flash-danger{background:#FEE2E2;color:#B91C1C}
.flash-warning{background:#FEF3C7;color:#B45309}
.flash-info{background:#DBEAFE;color:#1D4ED8}

.muted{color:var(--muted)}
.small{font-size:13px}
.kv{display:grid;grid-template-columns:200px 1fr;gap:8px 16px;font-size:14px}
.kv dt{color:var(--muted);font-weight:600}
.kv dd{margin:0}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.toolbar input[type=text]{min-width:260px}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{padding:6px 12px;border-radius:999px;background:#E2E8F0;color:#475569;font-size:13px;font-weight:600}
.chip.active{background:var(--brand);color:#fff}
.ia-box{background:#F8FAFC;border:1px solid var(--border);border-radius:12px;padding:18px 20px}
.ia-box h1,.ia-box h2,.ia-box h3{font-size:15px;margin:14px 0 6px}
.ia-box ul{margin:6px 0 6px 18px}
.empty{text-align:center;padding:50px 20px;color:var(--muted)}
.empty i{font-size:40px;display:block;margin-bottom:10px;opacity:.5}

/* login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--brand);padding:20px}
.login-card{background:#fff;border-radius:18px;padding:40px 36px;width:100%;max-width:400px;box-shadow:0 20px 50px rgba(15,23,42,.25)}
.login-card img{height:64px;display:block;margin:0 auto 18px}
.login-card h1{text-align:center;font-size:20px;margin:0 0 4px}
.login-card p{text-align:center;color:var(--muted);margin:0 0 22px;font-size:14px}

@media(max-width:760px){
  .sidebar{display:none}.main{margin-left:0}.kv{grid-template-columns:1fr}
}