:root {
  --bg-start: #07141b;
  --bg-end: #0d2430;
  --card-bg: rgba(14, 31, 40, 0.82);
  --card-border: #1f4957;
  --text: #ecf6f8;
  --text-muted: #9fc2ca;
  --primary: #0db3a6;
  --primary-press: #08988d;
  --secondary: #17323d;
  --secondary-border: #2a5666;
  --shadow: 0 14px 30px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Segoe UI", "Trebuchet MS", sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 500px at 20% -10%, #174758 0%, transparent 60%),
              radial-gradient(1000px 450px at 100% 0%, #0a3f4c 0%, transparent 60%),
              linear-gradient(130deg, var(--bg-start), var(--bg-end));
}

.container {
  width: min(1080px, 92%);
  margin: 38px auto 48px;
  position: relative;
  z-index: 5;
}

.glass {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(9px);
}

.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 24px;
}

.hero-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo {
  width: 86px;
  height: 86px;
  border-radius: 12px;
  border: 1px solid #2b6476;
  background: #07222d;
  padding: 8px;
  object-fit: contain;
}

.eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 1.2px;
  color: var(--text-muted);
}

h1 {
  margin: 4px 0;
  font-size: 34px;
  line-height: 1;
}

.subtitle {
  margin: 0;
  color: var(--text-muted);
}

.version-pill {
  text-align: right;
  border: 1px solid #356273;
  background: #11303c;
  padding: 10px 12px;
  border-radius: 10px;
}

.version-pill span {
  display: block;
  color: var(--text-muted);
  font-size: 12px;
}

.version-pill strong {
  font-size: 20px;
}

.panel {
  margin-top: 16px;
  padding: 20px 24px;
}

h2 {
  margin: 0 0 4px 0;
  font-size: 24px;
}

.panel-text {
  margin: 0;
  color: var(--text-muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.btn {
  border-radius: 10px;
  padding: 10px 16px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  border: 1px solid transparent;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.35);
}

.btn-primary {
  background: var(--primary);
  color: #063234;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-primary:hover {
  background: var(--primary-press);
}

.btn-secondary {
  background: var(--secondary);
  border-color: var(--secondary-border);
  color: var(--text);
}

.btn-ghost {
  background: transparent;
  border-color: #3f6c7a;
  color: var(--text);
}

.win-icon {
  width: 16px;
  height: 16px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 2px;
}

.win-icon span {
  display: block;
  background: #063234;
  border-radius: 1px;
}

.endpoints {
  margin-top: 16px;
  border-top: 1px solid #2f5968;
  padding-top: 14px;
}

.endpoints p {
  margin: 4px 0;
  color: var(--text-muted);
}

code {
  color: #74dce3;
  word-break: break-all;
}

.advanced {
  margin-top: 14px;
  border-top: 1px solid #2f5968;
  padding-top: 10px;
}

.advanced > summary {
  cursor: pointer;
  color: var(--text-muted);
  font-weight: 600;
  user-select: none;
}

.advanced-links {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.first-time-note {
  margin-top: 12px;
  padding: 10px 12px;
  border: 1px solid #2e5e6f;
  border-radius: 10px;
  background: rgba(8, 32, 41, 0.8);
  color: #cbe0e5;
}

.grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(2, minmax(280px, 1fr));
  gap: 14px;
}

.card {
  padding: 18px 20px;
}

h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

ol,
ul {
  margin: 0;
  padding-left: 20px;
  color: #d8e8ec;
}

li + li {
  margin-top: 8px;
}

a {
  color: #6ddce0;
}

.bg-shape {
  position: fixed;
  pointer-events: none;
  z-index: 1;
  filter: blur(30px);
  opacity: 0.35;
}

.bg-shape-1 {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: #1f8f96;
  top: -70px;
  left: -30px;
}

.bg-shape-2 {
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: #145d72;
  right: -90px;
  bottom: -100px;
}

@media (max-width: 860px) {
  .hero {
    flex-direction: column;
    align-items: flex-start;
  }

  .version-pill {
    width: 100%;
    text-align: left;
  }

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