:root {
  color-scheme: light dark;
  --bg: #fbfbfa;
  --fg: #16150f;
  --muted: #6b6a63;
  --line: #e3e2dc;
  --card: #ffffff;
  --accent: #1a6b4a;
  --accent-fg: #ffffff;
  --error: #a3321f;
  --warn: #8a6410;
  --ok: #1a6b4a;
  --code-bg: #f5f4ef;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14140f;
    --fg: #f0efe8;
    --muted: #9a998f;
    --line: #2c2b24;
    --card: #1c1b16;
    --accent: #6ec49a;
    --accent-fg: #0f1a14;
    --error: #e08a78;
    --warn: #d6b25e;
    --ok: #6ec49a;
    --code-bg: #121210;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 32px 16px 64px;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

header, main, footer { max-width: 780px; margin: 0 auto; }

h1 { font-size: 1.5rem; margin: 0 0 4px; letter-spacing: -0.01em; }
header p { margin: 0 0 32px; color: var(--muted); max-width: 60ch; }
h2 { font-size: 1rem; margin: 0 0 12px; }
h3 { font-size: .8rem; text-transform: uppercase; letter-spacing: .05em;
     color: var(--muted); margin: 18px 0 6px; }

section {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px;
  margin-bottom: 18px;
}

label { display: block; font-size: .85rem; color: var(--muted); }

textarea, input, select, button {
  font: inherit;
  border-radius: 8px;
  border: 1px solid var(--line);
  padding: 8px 10px;
  background: var(--bg);
  color: var(--fg);
}

textarea {
  width: 100%;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .85rem;
  resize: vertical;
  word-break: break-all;
}

input, select { width: 100%; margin-top: 4px; }
textarea:focus-visible, input:focus-visible, select:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

button {
  cursor: pointer;
  background: var(--accent);
  color: var(--accent-fg);
  border-color: transparent;
  font-weight: 500;
  padding: 8px 14px;
  margin-top: 4px;
  width: 100%;
}
button:hover { filter: brightness(1.08); }
button.ghost {
  background: transparent;
  color: var(--muted);
  border-color: var(--line);
  font-weight: 400;
  width: auto;
  padding: 6px 12px;
  font-size: .85rem;
}

.actions { display: flex; gap: 8px; align-items: center; margin-top: 10px; flex-wrap: wrap; }
.row { display: grid; gap: 10px; grid-template-columns: 1fr 1fr 1fr; margin-bottom: 14px; }
@media (max-width: 620px) { .row { grid-template-columns: 1fr; } }

pre {
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  overflow-x: auto;
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .85rem;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .85em;
  background: var(--code-bg);
  border-radius: 4px;
  padding: 1px 5px;
}

.findings { list-style: none; padding: 0; margin: 0; }
.findings li {
  padding: 9px 0 9px 12px;
  border-left: 3px solid var(--line);
  margin-bottom: 6px;
  font-size: .92rem;
}
.findings li.error { border-left-color: var(--error); color: var(--error); }
.findings li.warn { border-left-color: var(--warn); color: var(--warn); }
.findings li.ok { border-left-color: var(--ok); }
.findings li code { background: transparent; padding: 0; font-weight: 600; margin-right: 4px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: .9rem; }
thead th { font-size: .75rem; text-transform: uppercase; letter-spacing: .04em;
           color: var(--muted); font-weight: 600; }

.muted { color: var(--muted); }
.error { color: var(--error); font-size: .9rem; }
.ok-text { color: var(--ok); font-size: .9rem; }

footer { margin-top: 32px; color: var(--muted); font-size: .85rem; max-width: 60ch; }
footer a { color: inherit; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}