:root {
  --bg: #08111f;
  --bg2: #111827;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.12);
  --text: #eef2ff;
  --muted: #a9b4d0;
  --accent: #8b5cf6;
  --accent2: #22d3ee;
  --ok: #34d399;
  --bad: #fb7185;
  --warn: #fbbf24;
  --border: rgba(255, 255, 255, 0.16);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(139, 92, 246, 0.32), transparent 32rem),
    radial-gradient(circle at top right, rgba(34, 211, 238, 0.22), transparent 30rem),
    linear-gradient(135deg, var(--bg), var(--bg2));
}

.wrap {
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0;
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
  margin-bottom: 18px;
}

.badge {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.07);
  padding: 7px 10px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 20px var(--ok);
}

h1 {
  font-size: clamp(30px, 5vw, 58px);
  line-height: 1;
  margin: 12px 0 8px;
  letter-spacing: -0.05em;
}

.lead {
  margin: 0;
  color: var(--muted);
  max-width: 820px;
  font-size: 16px;
  line-height: 1.6;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.card {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.065));
  backdrop-filter: blur(14px);
  border-radius: 26px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card h2 {
  font-size: 15px;
  margin: 0;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  color: #fff;
}

.tools {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.12);
}

button,
select {
  border: 1px solid var(--border);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
  padding: 10px 12px;
  font-weight: 700;
  cursor: pointer;
}

button:hover,
select:hover {
  background: rgba(255, 255, 255, 0.16);
  transform: translateY(-1px);
}

button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border: 0;
  color: white;
}

button.bad {
  color: #fff;
  background: rgba(251, 113, 133, 0.18);
}

textarea,
pre {
  width: 100%;
  min-height: 530px;
  background: rgba(2, 6, 23, 0.66);
  color: var(--text);
  padding: 18px;
  font: 14px/1.55 var(--mono);
  tab-size: 2;
}

textarea {
  resize: vertical;
  border: 0;
  outline: 0;
}

pre {
  margin: 0;
  max-height: 720px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.status {
  padding: 11px 18px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
  min-height: 42px;
}

.status.ok { color: var(--ok); }
.status.bad { color: var(--bad); }
.status.warn { color: var(--warn); }

.quick {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin: 18px 0;
}

.quick button {
  text-align: left;
  padding: 14px;
  background: rgba(255, 255, 255, 0.075);
}

.quick b,
.quick span { display: block; }

.quick span {
  margin-top: 3px;
  color: var(--muted);
  font-weight: 500;
  font-size: 12px;
}

.all-tools { margin-top: 18px; }
.footer { color: var(--muted); font-size: 13px; margin-top: 16px; }
.pill { font-size: 12px; color: var(--muted); font-weight: 600; }
.small { font-size: 12px; color: var(--muted); }
.split { display: flex; gap: 8px; flex-wrap: wrap; }
select option { background: #111827; }
code { font-family: var(--mono); }

@media (max-width: 1000px) {
  .quick { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; }
  .hero { display: block; }
  textarea,
  pre { min-height: 360px; }
}

@media (max-width: 520px) {
  .quick { grid-template-columns: 1fr; }
  .wrap { width: min(100% - 20px, 1240px); }
}