:root{
  --bg: #0b1220;
  --card: rgba(17,16,16,0.7);
  --glass: rgba(255,255,255,0.06);
  --text: #e7eefc;
  --muted: #a6b1c9;
  --accent: #00c8ff;
  --accent-2: #7cffb2;
  --danger: #ff6b6b;
  --warning: #ffd166;
  --ok: #8be9a8;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --radius: 18px;
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
               Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  color: var(--text);
  background: #1e1e1e;
  min-height: 100svh;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow-x:hidden;
}

#starfield{
  position:fixed;
  inset:0;
  width:100%;
  height:100%;
  z-index:0;
}

.card{
  position:relative;
  z-index:1;
  width:min(960px, 92vw);
  background: var(--card);
  border: 1px solid var(--glass);
  backdrop-filter: blur(12px) saturate(120%);
  -webkit-backdrop-filter: blur(12px) saturate(120%);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}

.title{
  margin: 0 0 14px;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 600;
  letter-spacing: 0.2px;
}

.controls{
  display:grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap:16px;
}

.row{
  display:flex;
  flex-direction:column;
  gap:6px;
}
.row.checkbox label{ display:flex; align-items:center; gap:10px; }

.checkgroup{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap:8px 14px;
  border:1px dashed var(--glass);
  border-radius: 14px;
  padding:12px;
}

label{
  color: var(--muted);
  font-size: 14px;
}

input[type="number"],
input[type="text"],
input[type="password"],
input[type="search"],
input[type="url"],
input[type="email"],
.pw{
  width:100%;
  border:1px solid var(--glass);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 16px;
  outline: none;
  transition: border-color .15s ease;
  font-variant-numeric: lining-nums tabular-nums;
}

input:focus-visible{
  border-color: var(--accent);
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.actions{
  display:flex;
  gap:10px;
  align-items:center;
}
.btn{
  border:1px solid var(--glass);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 14px;
  cursor:pointer;
  transition: transform .04s ease, background .15s ease, border-color .15s ease;
}
.btn:hover{ background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.12); }
.btn:active{ transform: translateY(1px); }
.btn.primary{ background: linear-gradient(180deg, #00c8ff, #00a4ff); color:#00121c; font-weight:600; border-color: transparent; }
.btn.danger{ background: var(--danger); color:#fff; }

.output{ margin-top: 14px; display:grid; gap:8px; }

.pw-wrap{ position: relative; }
.pw{
  font-size: 18px;
  letter-spacing: 0.5px;
  padding-right: 52px;
}

.pw-toggle{
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: none;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  border-radius: 6px;
}
.pw-toggle:hover{ background: rgba(255,255,255,0.06); }
.pw-toggle:focus-visible{ outline: 2px solid var(--accent); outline-offset: 2px; }

.pw-toggle .icon{ fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.pw-toggle .eye-off{ display:none; }
.pw-toggle[aria-pressed="true"] .eye{ display:none; }
.pw-toggle[aria-pressed="true"] .eye-off{ display:block; }

.status{
  min-height: 20px;
  font-size: 13px;
  color: var(--ok);
}

.strength{ margin-top: 18px; display:grid; gap:8px; }
.meter-wrap{
  width:100%;
  height: 12px;
  background: rgba(255,255,255,0.06);
  border-radius: 999px;
  overflow:hidden;
  border:1px solid var(--glass);
}
.meter{
  height:100%;
  width:0%;
  background: linear-gradient(90deg, #ff6b6b, #ffd166, #7cffb2);
  transition: width .2s ease;
}
.strength-info{ display:flex; gap:12px; align-items:center; }
.badge{
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 12px;
  background: rgba(255,255,255,0.08);
  border:1px solid var(--glass);
}
.entropy{ color: var(--muted); font-size: 13px; }

.set-checks{
  display:flex;
  gap:10px;
  flex-wrap: wrap;
  list-style:none;
  margin:6px 0 0;
  padding:0;
}
.set-checks li{
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 999px;
  border:1px solid var(--glass);
  background: rgba(255,255,255,0.05);
}
.set-checks li.ok{ border-color: rgba(124,255,178,0.45); box-shadow: inset 0 0 0 1px rgba(124,255,178,0.35); }
.set-checks li.missing{ border-color: rgba(255,107,107,0.45); box-shadow: inset 0 0 0 1px rgba(255,107,107,0.35); }

.history{ margin-top: 18px; }
.batch-list{ display:grid; gap:8px; }
.batch-item{
  display:grid;
  grid-template-columns: 1fr auto;
  gap:8px;
  align-items:center;
}
.batch-item input{ font-size: 15px; }
.batch-item .mini{ padding: 6px 10px; font-size: 12px; }

.footnote{ margin-top: 14px; color: var(--warning); font-size: 13px; }

.sr-only{
  position:absolute !important;
  height:1px; width:1px;
  overflow:hidden; clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}

@media (max-width: 720px){
  .controls{ grid-template-columns: 1fr; }
  .title{ text-align:center; }
}

.note {
  font-size: 12px;
  color: var(--muted);
}