:root {
  --bg: #0b0d12;
  --bg-card: #141821;
  --bg-card-hover: #1a2030;
  --border: #2a3142;
  --text: #e6e8ee;
  --text-dim: #9aa3b2;
  --accent: #ff5da2;
  --accent-glow: rgba(255, 93, 162, 0.4);
  --code-bg: #0a0c10;
  --success: #4ade80;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 93, 162, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 93, 162, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  z-index: -1;
  pointer-events: none;
}

.hero {
  text-align: center;
  padding: 80px 24px 40px;
}

.logo {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent), #ffa8d0);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 60px var(--accent-glow);
}

.tagline {
  color: var(--text-dim);
  font-size: 1.15rem;
  margin-top: 12px;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.server-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.server-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  background: var(--bg-card-hover);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.game-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent), #ffa8d0);
  color: #0b0d12;
  font-weight: 800;
  border-radius: 10px;
  font-size: 0.95rem;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.card-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
}

.card-desc {
  color: var(--text-dim);
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.server-info {
  margin-bottom: 16px;
}

.label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.address-row {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
}

code {
  flex: 1;
  font-family: "SF Mono", Monaco, Consolas, "Courier New", monospace;
  font-size: 1rem;
  color: var(--text);
  word-break: break-all;
}

.copy-btn {
  background: var(--accent);
  color: #0b0d12;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}

.copy-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px var(--accent-glow);
}

.copy-btn.copied {
  background: var(--success);
}

.port-hint {
  margin-top: 8px;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.port-hint code {
  background: var(--code-bg);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.95em;
  color: var(--accent);
}

.tip {
  margin-top: 12px;
  padding: 10px 12px;
  background: rgba(255, 93, 162, 0.08);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.tip code {
  background: var(--code-bg);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--text);
  font-size: 0.95em;
  flex: 0 0 auto;
}

.how-to {
  margin-top: 8px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.how-to summary {
  cursor: pointer;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  list-style: none;
  user-select: none;
}

.how-to summary::-webkit-details-marker {
  display: none;
}

.how-to summary::before {
  content: "▶ ";
  font-size: 0.7em;
  display: inline-block;
  transition: transform 0.2s ease;
}

.how-to[open] summary::before {
  transform: rotate(90deg);
}

.how-to ol {
  margin-top: 12px;
  padding-left: 20px;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.how-to li {
  margin-bottom: 6px;
}

.how-to code {
  background: var(--code-bg);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.85em;
  flex: 0 0 auto;
}

.how-to ul {
  margin-top: 8px;
  padding-left: 22px;
  list-style: disc;
}

.how-to ul li {
  margin-bottom: 4px;
}

.how-to a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dotted var(--accent);
}

.how-to a:hover {
  border-bottom-style: solid;
}

.links-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.link-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  color: var(--text);
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.link-btn:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  background: var(--bg-card-hover);
}

.link-icon {
  font-size: 1.4rem;
  line-height: 1;
}

.link-btn span:last-child {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.link-btn strong {
  color: var(--text);
  font-size: 0.95rem;
}

.link-btn small {
  color: var(--text-dim);
  font-size: 0.78rem;
}

.site-footer {
  text-align: center;
  padding: 40px 24px;
  color: var(--text-dim);
  font-size: 0.85rem;
  max-width: 600px;
  margin: 0 auto;
}

.site-footer p {
  margin-bottom: 8px;
}

.copyright {
  margin-top: 16px;
  opacity: 0.6;
}

@media (max-width: 480px) {
  .hero {
    padding: 60px 20px 30px;
  }
  .container {
    padding: 16px;
  }
  .server-card {
    padding: 20px;
  }
}