:root { --bg:#0b1020; --card:#121a33; --text:#e8ecff; --muted:#aab3d6; --accent:#7c5cff; --border:#23305a; }
* { box-sizing: border-box; font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial; }
html, body { min-height: 100%; }
body {
  margin: 0;
  position: relative;
  background: linear-gradient(180deg, #0f1734 0%, #0b1020 55%, #080d1a 100%);
  background-repeat: no-repeat;
  background-attachment: fixed;
  color: var(--text);
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(950px 540px at 14% 8%, rgba(54, 90, 214, 0.34), transparent 70%),
    radial-gradient(700px 440px at 86% 2%, rgba(124, 92, 255, 0.2), transparent 72%);
  z-index: -1;
}
.wrap { max-width: 980px; margin: 0 auto; padding: 28px 18px 56px; }
header { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom: 18px; }
.brand { display:flex; align-items:center; gap:10px; }
.header-actions { display:flex; align-items:center; gap:10px; flex-wrap: wrap; justify-content: flex-end; }
.logo { width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(135deg, var(--accent), #37d3ff); }
h1 { font-size: 18px; margin: 0; letter-spacing: 0.2px; }
.pill { font-size: 12px; color: var(--muted); border: 1px solid var(--border); padding: 6px 10px; border-radius: 999px; }
.language-select {
  width: auto;
  min-width: 112px;
  font-size: 12px;
  padding: 7px 10px;
  border-radius: 10px;
}

.grid { display:grid; grid-template-columns: 1fr; gap: 16px; }

.card { background: color-mix(in oklab, var(--card) 92%, black); border: 1px solid var(--border); border-radius: 18px; padding: 18px; box-shadow: 0 10px 30px rgba(0,0,0,.25); }
.card h2 { margin: 0 0 6px; font-size: 16px; }
.card p { margin: 0 0 12px; color: var(--muted); line-height: 1.4; font-size: 13.5px; }
.hero-card {
  padding: 20px;
  background: linear-gradient(145deg, rgba(18, 26, 51, 0.95), rgba(12, 20, 42, 0.92));
}
.hero-card h2 { font-size: 18px; margin-bottom: 8px; }
.hero-subtitle { font-size: 14px; margin-bottom: 14px; max-width: 70ch; }
.feature-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.feature-item {
  padding: 10px 12px;
  border: 1px solid color-mix(in oklab, var(--border) 85%, #4d6ef0 15%);
  border-radius: 12px;
  background: rgba(14, 21, 48, 0.72);
}
.feature-item strong {
  display: block;
  margin-bottom: 2px;
  font-size: 13px;
}
.feature-item span {
  color: var(--muted);
  font-size: 12.5px;
}
@media (min-width: 760px) {
  .feature-list { grid-template-columns: 1fr 1fr; }
}

.tabs { display:flex; gap:10px; margin: 10px 0 14px; }
.tab { padding: 8px 10px; border-radius: 999px; border:1px solid var(--border); background:#0e1530; color:var(--muted); font-size:12.5px; cursor:pointer; }
.tab.active { color: var(--text); border-color: color-mix(in oklab, var(--accent) 60%, var(--border)); }

label { display:block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
input, select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #0e1530;
  color: var(--text);
  outline: none;
}
input:focus, select:focus { border-color: color-mix(in oklab, var(--accent) 60%, var(--border)); box-shadow: 0 0 0 3px rgba(124,92,255,.18); }

.row { display:grid; grid-template-columns: 1fr; gap: 10px; }
@media (min-width: 560px) { .row { grid-template-columns: 1fr 1fr; } }

.btns { display:flex; gap:10px; flex-wrap: wrap; margin-top: 12px; }
button {
  cursor:pointer;
  border: 1px solid var(--border);
  background: #0e1530;
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  font-weight: 600;
}
button.primary { background: var(--accent); border-color: color-mix(in oklab, var(--accent) 70%, white); }
button.ghost { background: transparent; }
button:disabled { opacity: .55; cursor: not-allowed; }

.status {
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  padding: 10px 12px; border-radius: 14px;
  background: #0e1530; border: 1px dashed var(--border);
  margin-top: 10px;
}
.ok { color: #9af2c7; font-weight: 800; }
.warn { color: #ffd37a; font-weight: 800; }
.mini { font-size: 12px; color: var(--muted); }
.divider { height:1px; background: var(--border); margin: 14px 0; opacity: .8; }
.hide { display:none !important; }
.toast { margin-top: 10px; font-size: 12.5px; color: var(--muted); }
.kbd { border:1px solid var(--border); padding:2px 6px; border-radius:8px; font-size: 11px; color: var(--muted); }

.checkbox-label{
  display:flex;
  align-items:center;
  gap:10px;
  cursor:pointer;
  user-select:none;
}
.checkbox-label input[type="checkbox"]{
  width:18px;
  height:18px;
  accent-color: var(--accent);
}
.toggle-grid{
  display:grid;
  grid-template-columns: 1fr;
  gap:10px;
  margin-top:10px;
}
@media (min-width: 560px){
  .toggle-grid{ grid-template-columns: 1fr 1fr; }
}