@import url("https://fonts.googleapis.com/css2?family=Fraunces:wght@600&family=IBM+Plex+Mono:wght@400;600&display=swap");

:root {
  --bg: #f3f2ee;
  --panel: #ffffff;
  --ink: #111111;
  --muted: #4f4f4f;
  --border: #111111;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Mono", "Courier New", monospace;
  background: radial-gradient(circle at 10% 0%, #ffffff, var(--bg) 56%);
  color: var(--ink);
  padding: 24px;
}

.launcher {
  width: min(920px, 100%);
  margin: 0 auto;
  padding: 28px;
  border: 2px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.launcher-header h1 {
  margin: 0;
  font-family: "Fraunces", "Georgia", serif;
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 600;
}

.launcher-header p {
  margin: 10px 0 22px;
  color: var(--muted);
  font-size: 14px;
}

.tab-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.tab-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 10px 14px;
  border: 2px solid var(--border);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  background: #ffffff;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tab-link:hover,
.tab-link:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.16);
}

.tab-link:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 2px;
}

.tab-link.is-locked {
  cursor: not-allowed;
  opacity: 0.7;
  background: repeating-linear-gradient(
    -45deg,
    #f2f2f2,
    #f2f2f2 10px,
    #e5e5e5 10px,
    #e5e5e5 20px
  );
}

.back-link {
  display: inline-block;
  margin-top: 18px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 2px;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.back-link:hover,
.back-link:focus-visible {
  opacity: 0.75;
}

@media (max-width: 760px) {
  body {
    padding: 14px;
  }

  .launcher {
    padding: 16px;
  }

  .tab-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .tab-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}