* { box-sizing: border-box; }
html { color-scheme: dark; background: var(--ink-950); }
body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 80% -10%, rgb(38 198 207 / 9%), transparent 36rem),
    var(--ink-900);
  color: var(--fog-100);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.45;
  padding-bottom: calc(82px + env(safe-area-inset-bottom));
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, .button {
  min-height: var(--tap);
  border: 0;
  border-radius: var(--radius-sm);
  padding: 0 18px;
  background: var(--cyan-500);
  color: var(--ink-950);
  font-weight: 800;
  cursor: pointer;
}
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--cyan-300);
  outline-offset: 3px;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 22px;
  font-family: "Arial Narrow", "Roboto Condensed", sans-serif;
  font-size: clamp(2rem, 8vw, 4.6rem);
  line-height: .94;
  letter-spacing: -.045em;
  text-transform: uppercase;
}
h2 { font-size: 1rem; }
.topbar {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: var(--content);
  margin: 0 auto;
  padding: 12px 16px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; min-height: var(--tap); }
.brand img { border-radius: 50%; box-shadow: 0 0 0 1px var(--ink-700); }
.brand span { display: grid; line-height: 1; }
.brand strong { font-family: "Arial Narrow", sans-serif; font-size: 1.05rem; letter-spacing: .06em; }
.brand small { margin-top: 5px; color: var(--fog-300); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; }
.channel-link { color: var(--fog-300); font-size: .8rem; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.topbar-actions form { margin: 0; }
.logout-button { min-height: 34px; padding: 0 10px; background: transparent; color: var(--fog-300); font-size: .75rem; }
.page-shell { width: min(100% - 28px, var(--content)); margin: 20px auto 0; }
.bottom-nav {
  position: fixed;
  z-index: 30;
  inset: auto 10px calc(8px + env(safe-area-inset-bottom));
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 480px;
  margin: 0 auto;
  padding: 6px;
  border: 1px solid rgb(255 255 255 / 8%);
  border-radius: 18px;
  background: rgb(29 34 38 / 92%);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}
.bottom-nav a { min-height: 52px; display: grid; place-items: center; align-content: center; gap: 2px; color: var(--fog-300); border-radius: 12px; }
.bottom-nav span { color: var(--cyan-300); font-size: 1.35rem; line-height: 1; }
.bottom-nav small { font-size: .7rem; }
@media (min-width: 900px) {
  body { padding-bottom: 32px; }
  .bottom-nav { position: static; max-width: var(--content); margin: 28px auto 0; }
  .page-shell { margin-top: 52px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; } }