:root {
  --bg: #09121e;
  --panel: #111f30;
  --panel-soft: #18283b;
  --text: #e9f1fb;
  --muted: #9eb1c7;
  --accent: #2dd4bf;
  --accent-2: #f59e0b;
  --line: #24405d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  background:
    radial-gradient(circle at 20% 10%, #113257 0%, transparent 35%),
    radial-gradient(circle at 80% 90%, #5d3f10 0%, transparent 30%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}

h1, h2, h3 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
}

.app-shell {
  display: grid;
  grid-template-columns: 76px 280px 1fr;
  min-height: 100vh;
  transition: grid-template-columns 180ms ease;
}

.app-shell:has(.rail:hover),
.app-shell:has(.rail:focus-within) {
  grid-template-columns: 160px 280px 1fr;
}

.rail {
  background: rgba(10, 20, 33, 0.9);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 18px 0;
}

.rail-logo {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(145deg, var(--accent), #14b8a6);
  color: #05231f;
  font-weight: 700;
  display: grid;
  place-items: center;
  text-decoration: none;
}

.rail-icon {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: #5f738d;
  opacity: 0.65;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding-left: 0;
  text-decoration: none;
  color: #05231f;
  overflow: hidden;
  transform: translateX(0);
  transition: width 180ms ease, height 180ms ease, padding-left 180ms ease, opacity 180ms ease, background 180ms ease, transform 180ms ease;
}

.rail-icon::after {
  content: attr(aria-label);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 140ms ease, transform 180ms ease;
}

.rail-icon:hover,
.rail-icon:focus-visible {
  width: 120px;
  height: 28px;
  padding-left: 12px;
  border-radius: 999px;
  opacity: 1;
  background: var(--accent);
}

.rail-icon:hover::after,
.rail-icon:focus-visible::after {
  opacity: 1;
  transform: translateX(0);
}

.rail-icon.active {
  opacity: 1;
  background: var(--accent);
}

.channels {
  background: rgba(13, 24, 40, 0.95);
  border-right: 1px solid var(--line);
  padding: 28px 20px;
}

.channels h1 {
  font-size: 1.4rem;
}

.tag {
  color: var(--muted);
  margin: 6px 0 20px;
}

.label {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #7e95ad;
  margin: 20px 0 8px;
}

.channels a {
  display: block;
  color: #bdd0e5;
  text-decoration: none;
  margin: 8px 0;
}

.channels .channel-item {
  color: #bdd0e5;
  margin: 8px 0;
}

.channels a:hover,
.channels a.active {
  color: var(--text);
}

.content {
  padding: 20px 30px 36px;
}

.topbar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
}

.pill {
  font-size: 0.82rem;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(24, 40, 59, 0.8);
}

.pill.online {
  border-color: #1f7a6f;
  color: #7bf2dd;
}

.hero {
  margin-top: 20px;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 18px;
}

.hero > div,
.status-card,
.grid article,
.audience,
.contact {
  background: rgba(17, 31, 48, 0.8);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
}

.overline {
  color: var(--accent);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.8rem);
  margin: 10px 0 10px;
}

.hero p {
  color: #c7d6e6;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.cta {
  display: inline-block;
  color: #07211d;
  background: var(--accent);
  padding: 10px 14px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
}

.cta.ghost {
  color: var(--text);
  background: rgba(24, 40, 59, 0.85);
  border-color: var(--line);
}

.status-title {
  margin-bottom: 10px;
  color: #b3c8de;
}

.status-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.status-card li {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 0;
  border-bottom: 1px solid #233d58;
}

.status-card li:last-child {
  border-bottom: 0;
}

.status-card strong {
  color: var(--accent-2);
  font-size: 0.88rem;
}

.grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.grid h3 {
  margin-bottom: 8px;
}

.grid p,
.audience p,
.contact p {
  color: #c0d0e0;
  line-height: 1.5;
}

.audience,
.contact {
  margin-top: 16px;
}

.contact-bubbles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 10px;
}

.contact-bubble {
  background: rgba(10, 22, 35, 0.75);
  border: 1px solid #2e4f6f;
  border-radius: 14px;
  padding: 14px;
}

.bubble-label {
  margin: 0 0 6px;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #89a7c6;
}

.contact-bubble p {
  margin: 0;
}

.contact-bubble p + p {
  margin-top: 8px;
}

.contact a {
  color: #6de7d4;
  font-weight: 700;
}


@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }

  .app-shell:has(.rail:hover),
  .app-shell:has(.rail:focus-within) {
    grid-template-columns: 1fr;
  }

  .channels {
    display: none;
  }

  .rail {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    flex-direction: row;
    justify-content: flex-start;
    gap: 10px;
    padding: 12px 14px;
    overflow-x: auto;
  }

  .rail-logo {
    width: 36px;
    height: 36px;
    flex: 0 0 auto;
  }

  .rail-icon,
  .rail-icon.active,
  .rail-icon:hover,
  .rail-icon:focus-visible {
    width: auto;
    min-height: 30px;
    border-radius: 999px;
    padding: 6px 10px;
    transform: none;
    flex: 0 0 auto;
  }

  .rail-icon::after,
  .rail-icon.active::after,
  .rail-icon:hover::after,
  .rail-icon:focus-visible::after {
    opacity: 1;
    transform: none;
    font-size: 0.72rem;
  }

  .content {
    padding: 16px 16px 28px;
  }

  .topbar {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

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

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

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