:root { --blue:#0a4ea3; --bg:#f4f6f9; --line:#d4dae2; --ok:#1a7f37; --warn:#b35900; --err:#b3261e; }
* { box-sizing: border-box; }
body { font-family: system-ui, "Segoe UI", Arial, sans-serif; background: var(--bg); color: #1c2430; margin: 0; }
.wrap { max-width: 760px; margin: 40px auto; background: #fff; padding: 32px 36px; border-radius: 10px; box-shadow: 0 2px 14px rgba(0,0,0,.07); }
h1 { margin: 0 0 4px; color: var(--blue); }
.sub { margin: 0 0 24px; color: #5a6675; font-size: 14px; }
fieldset { border: 1px solid var(--line); border-radius: 8px; margin: 0 0 18px; padding: 14px 16px 18px; }
legend { font-weight: 600; color: var(--blue); padding: 0 6px; }
.row { display: flex; gap: 14px; flex-wrap: wrap; }
label { display: flex; flex-direction: column; font-size: 13px; font-weight: 600; color: #41505f; gap: 4px; flex: 1 1 140px; margin-bottom: 8px; }
label.grow { flex: 3 1 240px; }
input, select { font-size: 15px; padding: 9px 10px; border: 1px solid var(--line); border-radius: 6px; font-weight: 400; }
input:focus, select:focus { outline: 2px solid var(--blue); border-color: var(--blue); }
button { background: var(--blue); color: #fff; border: 0; border-radius: 6px; padding: 12px 22px; font-size: 16px; font-weight: 600; cursor: pointer; }
button:disabled { opacity: .6; cursor: progress; }
.testbar { background: #eef3fb; border: 1px solid #cfddf2; border-radius: 8px; padding: 12px 16px; margin-bottom: 20px; display: flex; flex-direction: column; gap: 4px; }
.testbar label { flex: 1; }
.result { margin-top: 24px; padding: 18px 20px; border-radius: 8px; border: 1px solid var(--line); background: #fafbfc; }
.result.hidden { display: none; }
.score { font-size: 34px; font-weight: 700; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 13px; font-weight: 700; color: #fff; }
.badge.ok { background: var(--ok); } .badge.warn { background: var(--warn); } .badge.err { background: var(--err); }
.muted { color: #5a6675; font-size: 13px; }
pre { background: #1c2430; color: #e6edf3; padding: 14px; border-radius: 6px; overflow: auto; font-size: 12px; }
table { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 14px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); }