:root {
  --sumi: #16161d;
  --fuji: #1f1f28;
  --wave: #2a2a37;
  --oni: #223249;
  --crystal: #7e9cd8;
  --spring: #98bb6c;
  --autumn: #e6c384;
  --lotus: #dcd7ba;
  --old-white: #c8c093;
  --muted: #a6a69c;
  --danger: #c34043;
}

* {
  box-sizing: border-box;
}

body {
  align-items: center;
  background:
    radial-gradient(circle at 14% 8%, rgba(126, 156, 216, .13), transparent 33rem),
    radial-gradient(circle at 90% 90%, rgba(152, 187, 108, .09), transparent 26rem),
    var(--sumi);
  color: var(--lotus);
  display: grid;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  margin: 0;
  min-height: 100svh;
  overflow: hidden;
  padding: 1.5rem;
}

.wave {
  border: 1px solid rgba(126, 156, 216, .18);
  border-radius: 50%;
  height: 34rem;
  left: -14rem;
  position: fixed;
  top: -17rem;
  transform: rotate(-16deg);
  width: 54rem;
}

.wave::before,
.wave::after {
  border: inherit;
  border-radius: inherit;
  content: "";
  inset: 2.5rem;
  position: absolute;
}

.wave::after {
  inset: 5rem;
}

main {
  margin: auto;
  max-width: 39rem;
  position: relative;
  width: 100%;
}

.brand {
  color: var(--old-white);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .19em;
  margin: 0 0 1rem;
  text-transform: uppercase;
}

.card {
  background: rgba(31, 31, 40, .9);
  border: 1px solid rgba(126, 156, 216, .32);
  border-radius: 1.25rem;
  box-shadow: 0 1.4rem 5rem rgba(0, 0, 0, .36);
  overflow: hidden;
}

.accent {
  background: linear-gradient(90deg, var(--crystal), var(--spring), var(--autumn));
  height: .22rem;
}

.content {
  padding: clamp(1.8rem, 6vw, 3.3rem);
}

.symbol {
  align-items: center;
  background: rgba(195, 64, 67, .12);
  border: 1px solid rgba(195, 64, 67, .42);
  border-radius: .85rem;
  color: var(--danger);
  display: flex;
  font-size: 1.35rem;
  font-weight: 800;
  height: 3rem;
  justify-content: center;
  margin-bottom: 1.5rem;
  width: 3rem;
}

h1 {
  color: var(--lotus);
  font-size: clamp(1.65rem, 5vw, 2.45rem);
  letter-spacing: -.035em;
  line-height: 1.12;
  margin: 0;
}

.lead {
  color: var(--muted);
  line-height: 1.6;
  margin: 1rem 0 1.8rem;
}

.ip-panel {
  background: rgba(22, 22, 29, .7);
  border: 1px solid rgba(200, 192, 147, .16);
  border-radius: .85rem;
  margin: 0 0 1.25rem;
  min-height: 5.6rem;
  padding: 1rem 1.1rem;
}

.eyebrow {
  color: var(--old-white);
  display: block;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .12em;
  margin-bottom: .42rem;
  text-transform: uppercase;
}

#ip {
  color: var(--crystal);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 1.05rem;
  overflow-wrap: anywhere;
}

#ip.is-error {
  color: var(--autumn);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

button {
  appearance: none;
  border: 0;
  border-radius: .62rem;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  padding: .77rem 1.02rem;
  transition: filter .16s ease, transform .16s ease;
}

button:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

button:focus-visible {
  outline: 2px solid var(--autumn);
  outline-offset: 3px;
}

.primary {
  background: var(--crystal);
  color: var(--sumi);
}

.secondary {
  background: transparent;
  border: 1px solid rgba(126, 156, 216, .45);
  color: var(--lotus);
}

footer {
  color: rgba(166, 166, 156, .65);
  font-size: .75rem;
  margin: 1rem .2rem 0;
}

@media (max-width: 28rem) {
  body {
    padding: 1rem;
  }

  .content {
    padding: 1.65rem;
  }

  button {
    flex: 1 1 auto;
  }
}