:root{
  --bg:#0f172a; --bg2:#1e293b; --panel:#ffffff; --ink:#0f172a; --muted:#64748b;
  --line:#e2e8f0; --brand:#2563eb; --brand-dark:#1d4ed8; --ok:#16a34a; --warn:#d97706;
  --bad:#dc2626; --soft:#f1f5f9; --radius:12px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--soft);font-size:15px;line-height:1.45}
a{color:var(--brand);text-decoration:none}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit}

/* Layout */
.app{display:flex;min-height:100vh}
.sidebar{width:240px;background:var(--bg);color:#cbd5e1;display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;z-index:30;transition:transform .2s}
.sidebar .brand{padding:18px 16px;font-weight:700;color:#fff;font-size:16px;border-bottom:1px solid #243049;display:flex;align-items:center;gap:8px}
.sidebar nav{padding:8px;overflow:auto;flex:1}
.sidebar nav a{display:block;color:#cbd5e1;padding:10px 12px;border-radius:8px;margin:2px 0;font-size:14px}
.sidebar nav a:hover{background:#243049;color:#fff}
.sidebar nav a.active{background:var(--brand);color:#fff}
.sidebar nav .sep{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#64748b;padding:12px 12px 4px}
.sidebar .userbox{padding:12px 16px;border-top:1px solid #243049;font-size:13px;color:#94a3b8}
.main{flex:1;margin-left:240px;min-width:0}
.topbar{display:none;align-items:center;gap:10px;background:var(--bg);color:#fff;padding:12px 14px;position:sticky;top:0;z-index:20}
.content{padding:22px;max-width:1180px;margin:0 auto}

/* Header / cards */
.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.page-head h1{font-size:22px;margin:0}
.page-head p{margin:4px 0 0;color:var(--muted);font-size:13px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:16px;box-shadow:0 1px 2px rgba(15,23,42,.04)}
.card h2{font-size:16px;margin:0 0 12px}
.card h3{font-size:14px;margin:14px 0 8px}
.grid{display:grid;gap:14px}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.stat .n{font-size:26px;font-weight:700}
.stat .l{color:var(--muted);font-size:13px}

/* Forms */
.field{margin-bottom:12px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:4px}
.field .hint{font-weight:400;color:var(--muted);font-size:12px}
input[type=text],input[type=number],input[type=password],input[type=email],select,textarea{
  width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid #bfdbfe;border-color:var(--brand)}
.checkrow{display:flex;align-items:center;gap:8px}
.checkrow input{width:auto}
.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.form-grid .full{grid-column:1/-1}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--brand);color:#fff;border:none;padding:9px 14px;border-radius:8px;font-size:14px}
.btn:hover{background:var(--brand-dark)}
.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.secondary:hover{background:var(--soft)}
.btn.danger{background:var(--bad)}
.btn.ghost{background:transparent;color:var(--brand)}
.btn.sm{padding:6px 10px;font-size:13px}
.btn-row{display:flex;gap:8px;flex-wrap:wrap}

/* Tables */
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.03em}
tr:hover td{background:var(--soft)}
.table-wrap{overflow:auto}
.num{text-align:right;font-variant-numeric:tabular-nums}

/* Badges */
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600}
.badge.baixo,.badge.entregue{background:#dcfce7;color:#166534}
.badge.moderado,.badge\.médio,.badge.medio{background:#fef9c3;color:#854d0e}
.badge.elevado,.badge.alto,.badge.taxado{background:#ffedd5;color:#9a3412}
.badge\.muito{background:#fee2e2;color:#991b1b}
.badge.gray{background:var(--soft);color:var(--muted)}
.badge.brand{background:#dbeafe;color:#1e40af}

/* Alerts */
.alert{padding:12px 14px;border-radius:8px;font-size:13px;margin-bottom:10px;border:1px solid}
.alert.warn{background:#fffbeb;border-color:#fde68a;color:#92400e}
.alert.info{background:#eff6ff;border-color:#bfdbfe;color:#1e40af}
.alert.ok{background:#f0fdf4;border-color:#bbf7d0;color:#166534}
.alert.bad{background:#fef2f2;border-color:#fecaca;color:#991b1b}
.warnings{font-size:12.5px}
.warnings li{margin:4px 0}

/* Recommendation */
.reco{background:linear-gradient(135deg,#1e3a8a,#2563eb);color:#fff;border-radius:var(--radius);padding:20px;margin-bottom:16px}
.reco .big{font-size:24px;font-weight:700;margin:4px 0}
.reco .savings{font-size:15px;opacity:.95}
.pkg{border:1px solid var(--line);border-radius:10px;padding:14px;margin-bottom:12px}
.pkg.bad{border-color:#fecaca;background:#fef2f2}
.pkg .pkg-head{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px}
.pkg .pkg-head .t{font-weight:700}
.kv{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:6px 14px;font-size:13px}
.kv div span{color:var(--muted)}
.desc-list{font-size:13px;background:var(--soft);border-radius:8px;padding:8px 12px;margin-top:8px}
.desc-list code{font-family:ui-monospace,monospace}
.memory{font-size:12px;color:var(--muted);background:var(--soft);border-radius:8px;padding:8px 12px;margin-top:8px;white-space:pre-wrap}
details{margin-top:8px}
summary{cursor:pointer;color:var(--brand);font-size:13px}

/* Toggles grid */
.toggles{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.toggle{display:flex;align-items:center;gap:8px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;font-size:13px}

/* Login */
.login{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}
.login .box{background:#fff;border-radius:14px;padding:28px;width:340px;max-width:92vw;box-shadow:0 10px 40px rgba(0,0,0,.3)}
.login h1{font-size:20px;margin:0 0 4px}
.login p{color:var(--muted);margin:0 0 18px;font-size:13px}

.toast{position:fixed;right:18px;bottom:18px;z-index:100;display:flex;flex-direction:column;gap:8px}
.toast .t{background:#0f172a;color:#fff;padding:10px 14px;border-radius:8px;font-size:13px;box-shadow:0 6px 20px rgba(0,0,0,.25);max-width:340px}
.toast .t.ok{background:#166534}
.toast .t.bad{background:#991b1b}

.muted{color:var(--muted)}
.right{text-align:right}
.center{text-align:center}
.spinner{display:inline-block;width:16px;height:16px;border:2px solid #cbd5e1;border-top-color:var(--brand);border-radius:50%;animation:spin .7s linear infinite;vertical-align:-3px}
@keyframes spin{to{transform:rotate(360deg)}}
.backdrop{position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:40;display:none}
.backdrop.show{display:block}

/* Responsive */
@media(max-width:900px){
  .form-grid{grid-template-columns:repeat(2,1fr)}
  .grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .grid.cols-3{grid-template-columns:1fr}
  .grid.cols-2{grid-template-columns:1fr}
}
@media(max-width:760px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0}
  .topbar{display:flex}
  .form-grid{grid-template-columns:1fr}
  .toggles{grid-template-columns:1fr}
  .content{padding:14px}
}