:root {
  --ink: #1f2340;
  --muted: #6b7090;
  --bg: #fbf7ff;
  --card: #ffffff;
  --brand: #7c3aed;
  --brand2: #f43f8e;
  --ok: #16a34a;
  --bad: #dc2626;
  --line: #e7e2f5;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: radial-gradient(1200px 500px at 10% -10%, #efe3ff 0%, transparent 60%) var(--bg);
  line-height: 1.5;
  min-height: 100vh;
}
main { max-width: 760px; margin: 0 auto; padding: 16px 18px 40px; }
footer { text-align: center; color: var(--muted); font-size: 13px; padding: 24px 16px 40px; }
a { color: var(--brand); }
.top { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; max-width: 760px; margin: 0 auto; }
.brand {
  font-weight: 800; font-size: 20px; text-decoration: none;
  background: linear-gradient(90deg, var(--brand), var(--brand2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.top nav a { margin-left: 12px; text-decoration: none; font-weight: 600; }
.btn-sm {
  background: var(--ink); color: #fff !important;
  padding: 6px 12px; border-radius: 999px;
}
.btn {
  background: linear-gradient(90deg, var(--brand), var(--brand2));
  color: #fff; border: 0; border-radius: 12px;
  padding: 13px 20px; font: inherit; font-weight: 700; cursor: pointer;
}
.pill { background: #ece6ff; color: var(--brand); padding: 4px 10px; border-radius: 999px; font-size: 13px; }
.hero h1 { font-size: clamp(28px, 5vw, 40px); margin: 16px 0 8px; line-height: 1.15; }
.hero p { color: var(--muted); margin-top: 0; font-size: 17px; }
.meta { color: var(--muted); font-size: 14px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px;
  padding: 20px; margin: 16px 0; box-shadow: 0 6px 24px rgba(60, 30, 120, 0.06);
}
.card h2 { margin-top: 0; font-size: 20px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; margin: 8px 0; }
input[type=text], input[type=email], input[type=password], input[readonly] {
  flex: 1 1 260px; min-width: 0; padding: 13px 14px;
  border: 1.5px solid var(--line); border-radius: 12px;
  font: inherit; background: #fff;
}
.scan label { font-weight: 600; }
.hint { color: var(--muted); font-size: 13px; margin: 8px 0 0; }
.flash { padding: 12px 14px; border-radius: 12px; font-weight: 600; }
.flash.bad { background: #fee2e2; color: var(--bad); }
.flash.ok { background: #dcfce7; color: var(--ok); }
.result .score { display: flex; align-items: baseline; gap: 14px; margin: 8px 0; }
.result .num { font-size: 56px; font-weight: 800; color: var(--brand); }
.result .grade { font-size: 28px; font-weight: 800; color: var(--brand2); }
.tone { color: var(--muted); margin: 0 0 12px; }
.roast li { margin: 6px 0; }
.checks { list-style: none; padding: 0; margin: 0; }
.checks li { padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.checks li.ok strong { color: var(--ok); }
.checks li.bad strong { color: var(--bad); }
button.link { background: none; border: 0; color: var(--brand); font-weight: 600; cursor: pointer; padding: 0; font: inherit; }