:root {
  --bg: #17181a;
  --panel: #212327;
  --panel-border: #34373d;
  --text: #e7e7e2;
  --text-dim: #9a9ca1;
  --accent: #c7f200;
  --accent-dim: #8fae00;
  --warn: #ffb400;
  --danger: #ff4d4d;
  --mono: "SF Mono", "Courier New", Courier, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background-image:
    radial-gradient(circle at 20% 10%, rgba(199,242,0,0.04), transparent 40%),
    repeating-linear-gradient(135deg, rgba(255,255,255,0.015) 0px, rgba(255,255,255,0.015) 2px, transparent 2px, transparent 8px);
  background-repeat: no-repeat, repeat;
  background-attachment: fixed, scroll;
}

.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  padding: 24px 0 2px;
}

.site-header .wrap {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.logo-text { color: var(--text); }
.accent { color: var(--accent); }

.tagline {
  color: var(--text-dim);
  font-size: 13px;
  font-family: var(--mono);
}

.brand-toggle {
  margin-left: auto;
  align-self: center;
  display: inline-flex;
  gap: 2px;
}
.brand-toggle button {
  font: 10px/1 var(--mono);
  letter-spacing: 0.5px;
  color: #5b5e65;
  background: transparent;
  border: 1px solid #2f3238;
  border-radius: 4px;
  padding: 3px 6px;
  cursor: pointer;
}
.brand-toggle button:hover { color: var(--text-dim); }
.brand-toggle button.is-active {
  color: var(--text-dim);
  border-color: var(--text-dim);
}

main.wrap { padding-top: 6px; padding-bottom: 60px; }

.page-title {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  margin: 0 0 6px;
}

.page-subtitle {
  color: var(--text-dim);
  font-size: 13.5px;
  line-height: 1.55;
  margin: 0 0 20px;
  max-width: 620px;
}

.link-list {
  margin: 0;
  padding-left: 18px;
  color: var(--text);
  font-size: 14px;
  line-height: 1.7;
}
.link-list a { color: var(--accent-dim); }
.link-list a:hover { color: var(--accent); }

.about-blurb p {
  margin: 0;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.6;
}
.about-blurb a { color: var(--accent-dim); }
.about-blurb a:hover { color: var(--accent); }

.page-about .about-blurb { margin-top: 16px; }
.page-about .page-title { font-size: 20px; }


.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 20px;
}

.card-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.hero-card {
  text-align: center;
  padding: 30px 20px;
}

.ip-display {
  font-family: var(--mono);
  font-size: 44px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 1px;
  word-break: break-all;
}

.sub-detail {
  margin-top: 8px;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 13px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 700px) {
  .grid { grid-template-columns: 1fr; }
  .ip-display { font-size: 30px; }
}

@media (max-width: 460px) {
  .tagline,
  .brand-toggle { display: none; }
}

.data-list { margin: 0; }
.data-list .row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 0;
  border-bottom: 1px solid var(--panel-border);
  font-family: var(--mono);
  font-size: 13px;
}
.data-list .row:last-child { border-bottom: none; }
.data-list dt { color: var(--text-dim); }
.data-list dd { margin: 0; text-align: right; color: var(--text); word-break: break-word; max-width: 60%; }

.tool-hint {
  margin: 0 0 12px;
  color: var(--text-dim);
  font-size: 12.5px;
  line-height: 1.5;
}

.port-check-form {
  display: flex;
  gap: 8px;
}

.port-check-form input {
  flex: 1;
  min-width: 0;
  background: #101113;
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  padding: 9px 10px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
}
.port-check-form input:focus {
  outline: none;
  border-color: var(--accent-dim);
}

.port-check-form button {
  background: var(--accent);
  color: #14170a;
  border: none;
  border-radius: 6px;
  padding: 9px 16px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 12.5px;
  cursor: pointer;
  white-space: nowrap;
}
.port-check-form button:hover { background: #d8ff2a; }
.port-check-form button:disabled { opacity: 0.5; cursor: not-allowed; }

.port-result {
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 13px;
  min-height: 18px;
}
.port-result.open { color: var(--accent); }
.port-result.closed { color: var(--danger); }
.port-result.error { color: var(--warn); }

.ad-slot { padding: 14px 20px; }
.ad-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.ad-box {
  height: 280px;
  max-width: 336px;
  margin: 0 auto;
  border: 1px dashed var(--panel-border);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 12px;
  background: repeating-linear-gradient(45deg, #1c1d20, #1c1d20 10px, #202226 10px, #202226 20px);
}
.ad-box-wide { height: 90px; max-width: 728px; }

.site-footer {
  padding: 20px 0 40px;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 12px;
  text-align: center;
}

.site-footer a {
  color: var(--text-dim);
  text-decoration: underline;
}
.site-footer a:hover { color: var(--accent); }

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.policy-card {
  padding: 30px 34px 34px;
  line-height: 1.6;
}

.policy-title {
  font-family: var(--mono);
  font-size: 24px;
  margin: 0 0 4px;
  color: var(--text);
}

.policy-updated {
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 12px;
  margin: 0 0 24px;
}

.policy-card h2 {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--accent);
  margin: 26px 0 8px;
}

.policy-card h3 {
  font-family: var(--mono);
  font-size: 13.5px;
  color: var(--text);
  margin: 18px 0 6px;
}

.policy-card p {
  color: var(--text);
  font-size: 14px;
  margin: 0 0 10px;
}

.policy-card a { color: var(--accent-dim); }
.policy-card a:hover { color: var(--accent); }

.policy-back {
  margin-top: 26px;
  font-family: var(--mono);
  font-size: 13px;
}