:root{
  --bg:#f6f7fb;
  --card:#ffffff;
  --border:#e6e8f0;
  --text:#0f172a;
  --muted:#64748b;
  --primary:#2563eb;
  --ok:#16a34a;
  --warn:#f59e0b;
  --bad:#dc2626;
  --soft:#f1f5f9;
  --shadow: 0 10px 26px rgba(15, 23, 42, .10);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background: var(--bg);
  color: var(--text);
}

.container{
  max-width: 980px;
  padding: 20px;
  margin: 0 auto;
}

.header{
  text-align:center;
  padding: 14px 0 6px;
}

h1{ margin: 10px 0 6px; font-size: 34px; }
p{ margin: 0; color: var(--muted); }

.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 18px;
  margin-top: 16px;
}

.row{
  display:flex;
  gap:12px;
  align-items:center;
  flex-wrap: wrap;
}

.grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 14px;
}
.grid2{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 14px;
}

@media (max-width: 860px){
  .grid{ grid-template-columns: 1fr; }
  .grid2{ grid-template-columns: 1fr; }
  h1{ font-size: 28px; }
}

.label{ font-weight:600; }
.small{ font-size: 13px; }
.muted{ color: var(--muted); }

input[type="text"], input[type="password"]{
  width: 100%;
  max-width: 620px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 12px;
  font-size: 16px; /* evita zoom su iOS */
  background: #fff;
}

input[type="range"]{
  width: 100%;
}

.btn{
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 10px;
  padding: 12px 14px;
  cursor:pointer;
  font-weight:600;
}
.btn.primary{
  background: var(--primary);
  border-color: var(--primary);
  color:#fff;
}
.btn:active{ transform: translateY(1px); }

.tabs{
  display:flex;
  gap:10px;
  justify-content:center;
  margin-top: 10px;
  flex-wrap: wrap;
}
.tab{
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 999px;
  cursor:pointer;
  font-weight:600;
  color: var(--muted);
}
.tab.active{
  border-color: var(--primary);
  color: var(--primary);
}

.sectionTitle{ font-weight:800; margin: 0 0 10px; font-size: 16px; }
.hr{ height: 1px; background: var(--border); margin: 14px 0; }

.barWrap{
  width: 100%;
  height: 10px;
  background: var(--border);
  border-radius: 999px;
  overflow:hidden;
}
.bar{
  height:100%;
  width:0%;
  background: var(--bad);
  transition: width .2s ease;
}

.pill{
  display:inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  background: var(--soft);
  margin-left: 8px;
}

.switches{
  display:grid;
  gap: 8px;
}
.switches label{
  display:flex;
  align-items:center;
  gap: 8px;
  user-select:none;
}

.kv{
  display:flex;
  gap: 10px;
  align-items:baseline;
  flex-wrap: wrap;
}
.kv strong{ font-size: 14px; }
.kv .value{ font-weight:700; }

.sliderRow{
  display:flex;
  gap: 12px;
  align-items:center;
  flex-wrap: wrap;
}

.outBox{
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  background: #fff;
}
.outBox code{
  font-size: 16px;
  word-break: break-all;
}

ul{ margin: 8px 0 0 18px; padding:0; }
li.ok{ color: var(--ok); }
li.bad{ color: var(--bad); }
li.warn{ color: var(--warn); }