:root {
  color-scheme: dark;
  --bg: #101211;
  --panel: #191d1b;
  --panel-2: #202721;
  --line: #344039;
  --text: #edf4ef;
  --muted: #a8b6ac;
  --accent: #8bd17c;
  --accent-2: #e4c36a;
  --danger: #f08484;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at 20% 0%, #263227 0, transparent 35%), var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Malgun Gothic", sans-serif;
  letter-spacing: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(16, 18, 17, 0.92);
  backdrop-filter: blur(16px);
}

.brand {
  display: block;
  font-size: 18px;
}

.subtle,
.tool-head span {
  color: var(--muted);
  font-size: 13px;
}

nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

a {
  color: var(--text);
  text-decoration: none;
}

main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: 420px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  align-items: center;
  gap: 32px;
  padding: 64px 0 38px;
}

.eyebrow {
  color: var(--accent-2);
  font-weight: 700;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  max-width: 760px;
  font-size: clamp(36px, 5vw, 68px);
  line-height: 1.02;
  margin: 12px 0 20px;
}

.hero-copy p:last-child {
  max-width: 620px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.status-panel,
.tool {
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  border-radius: 8px;
}

.status-panel {
  padding: 20px;
}

.panel-head,
.tool-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.kv {
  margin: 0;
  display: grid;
  gap: 10px;
}

.kv div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 10px;
}

dt {
  color: var(--muted);
}

dd {
  margin: 0;
  font-weight: 700;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: 18px 0 56px;
}

.tool {
  padding: 20px;
  min-height: 260px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  margin: 14px 0;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  background: #0f1210;
  color: var(--text);
  border-radius: 6px;
  padding: 12px 13px;
  font: inherit;
}

button {
  border: 1px solid #66865f;
  background: #233322;
  color: var(--text);
  border-radius: 6px;
  padding: 10px 13px;
  font-weight: 700;
  cursor: pointer;
}

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

.result {
  color: var(--muted);
  margin-top: 14px;
  min-height: 22px;
  white-space: pre-wrap;
}

.result.ok {
  color: var(--accent);
}

.result.fail {
  color: var(--danger);
}

.box,
.list {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: #0f1210;
  border-radius: 6px;
  padding: 12px;
  overflow: auto;
}

.list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
  max-height: 260px;
}

.teleport {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 10px;
  background: var(--panel-2);
  border-radius: 6px;
}

@media (max-width: 820px) {
  .topbar,
  .hero {
    display: block;
  }

  nav {
    margin-top: 12px;
  }

  .status-panel {
    margin-top: 28px;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}