:root {
  --bg: #f5f6fa;
  --bg-grad: radial-gradient(1100px 520px at 50% -12%, #e4e9ff 0%, transparent 70%);
  --card: #ffffff;
  --ink: #12131a;
  --muted: #6b7080;
  --line: #e3e5ec;
  --accent: #4451f6;
  --accent-ink: #ffffff;
  --ok: #17936a;
  --err: #d1344b;
  --radius: 16px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e0f14;
    --bg-grad: radial-gradient(1100px 520px at 50% -12%, #1c2140 0%, transparent 70%);
    --card: #171922;
    --ink: #f2f3f7;
    --muted: #9aa0b0;
    --line: #262936;
    --accent: #6b74ff;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg-grad), var(--bg);
  color: var(--ink);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans Arabic", sans-serif;
  -webkit-font-smoothing: antialiased;
}

html[dir="rtl"] body { font-family: "Noto Sans Arabic", "Segoe UI", system-ui, sans-serif; }

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  max-width: 720px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.brand .mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 16px;
}

.lang {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: 999px;
  padding: 7px 15px;
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}

.lang:hover { border-color: var(--accent); }

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 14px 20px 60px;
}

h1 {
  font-size: clamp(28px, 6vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 22px 0 8px;
}

.sub { color: var(--muted); margin: 0 0 26px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 18px;
}

.card h2 { font-size: 17px; margin: 0 0 14px; }

.field { display: block; margin-bottom: 12px; }

input[type="url"] {
  width: 100%;
  padding: 14px 16px;
  font: inherit;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 12px;
  outline: none;
}

input[type="url"]:focus { border-color: var(--accent); }

button, a.primary {
  font: inherit;
  cursor: pointer;
  border-radius: 12px;
}

.primary {
  display: block;
  width: 100%;
  padding: 14px 18px;
  border: 0;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  text-align: center;
  text-decoration: none;
}

.primary:disabled { opacity: 0.55; cursor: default; }

.ghost {
  display: block;
  width: 100%;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
}

.qualities {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 10px;
}

.q {
  padding: 16px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: transparent;
  color: var(--ink);
  text-align: center;
  font-weight: 600;
}

.q small {
  display: block;
  font-weight: 400;
  font-size: 12px;
  color: var(--muted);
  margin-top: 3px;
}

.q:hover { border-color: var(--accent); }

.bar {
  height: 8px;
  border-radius: 999px;
  background: var(--line);
  overflow: hidden;
  margin: 14px 0 10px;
}

.bar-fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: var(--accent);
  transition: width 0.4s ease;
}

.state { font-weight: 600; margin: 0; }
.meta, .hint { color: var(--muted); font-size: 14px; margin: 6px 0 0; }
.hint.error { color: var(--err); }
.note { color: var(--ok); font-size: 14px; margin: 12px 0 14px; }

.sites { margin-top: 34px; }
.sites p { color: var(--muted); font-size: 13px; margin: 0 0 10px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }

.chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 13px;
  color: var(--muted);
}

.privacy {
  margin-top: 30px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.hidden { display: none !important; }