.signal-page {
  min-height: 100dvh;
  background:
    radial-gradient(circle at 85% 0%, rgb(0 112 240 / 11%), transparent 30rem),
    var(--color-chassis);
}

.signal-back-home {
  color: var(--color-mute-d);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-underline-offset: 0.25em;
}

.signal-back-home:hover {
  color: var(--color-signal-hot);
}

.signal-main {
  min-height: calc(100svh - 11.75rem);
}

.signal-wrap {
  width: min(100% - 2rem, 44rem);
  margin-inline: auto;
  padding-block: clamp(2.5rem, 8vw, 5.5rem) 6rem;
}

.signal-progress {
  height: 3px;
  overflow: hidden;
  background: var(--color-line-d);
}

.signal-progress span {
  display: block;
  width: 16.666%;
  height: 100%;
  background: var(--color-signal-hot);
  transition: width 180ms ease;
}

.signal-count,
.signal-kicker {
  margin: 1rem 0 0;
  color: var(--color-mute-d);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.signal-screen {
  margin-top: clamp(2.5rem, 7vw, 4.75rem);
}

.signal-screen[hidden] {
  display: none;
}

.signal-screen fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.signal-screen legend,
.signal-screen h1 {
  max-width: 18ch;
  margin: 0;
  color: var(--color-paper);
  font-size: clamp(2rem, 6vw, 3.7rem);
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1.02;
}

.signal-options {
  display: grid;
  gap: 0.75rem;
  margin-top: 2rem;
}

.signal-option {
  position: relative;
  display: block;
  cursor: pointer;
}

.signal-option input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.signal-option span {
  display: flex;
  min-height: 3.7rem;
  align-items: center;
  border: 1px solid #4d4d4d;
  background: rgb(17 17 17 / 72%);
  color: #d6d6d6;
  padding: 0.9rem 1.15rem;
  font-size: 1rem;
  line-height: 1.4;
  transition: border-color 140ms, background 140ms, color 140ms, translate 140ms;
}

.signal-option:hover span {
  border-color: var(--color-signal);
  color: var(--color-paper);
  translate: 0 -1px;
}

.signal-option input:focus-visible + span {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

.signal-option input:checked + span {
  border-color: var(--color-signal-hot);
  background: rgb(0 234 242 / 8%);
  color: var(--color-paper);
}

.signal-back,
.signal-restart {
  margin-top: 1.35rem;
  border: 0;
  background: transparent;
  color: var(--color-mute-d);
  padding: 0.5rem 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 0.25em;
  text-transform: uppercase;
}

.signal-back:hover,
.signal-restart:hover {
  color: var(--color-signal-hot);
}

.signal-intro {
  max-width: 39rem;
  margin: 1.4rem 0 0;
  color: var(--color-mute-d);
  font-size: 1.02rem;
  line-height: 1.6;
}

.signal-fields {
  display: grid;
  margin-top: 1.6rem;
}

.signal-fields label {
  margin: 1rem 0 0.45rem;
  color: var(--color-mute-d);
  font-family: var(--font-mono);
  font-size: 0.69rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-fields label span {
  color: #858585;
  font-weight: 400;
}

.signal-fields input {
  width: 100%;
  border: 1px solid #4d4d4d;
  border-radius: 0;
  background: #111;
  color: var(--color-paper);
  padding: 0.9rem 1rem;
  font: inherit;
}

.signal-fields input:focus {
  border-color: var(--color-signal-hot);
  outline: 0;
}

.signal-fields input::placeholder {
  color: #7e7e7e;
}

.honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.signal-consent,
.signal-disclaimer,
.signal-save-status {
  max-width: 40rem;
  margin: 1rem 0 0;
  color: #929292;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  line-height: 1.6;
}

.signal-consent a {
  color: var(--color-mute-d);
  text-underline-offset: 0.2em;
}

.signal-error {
  margin: 1rem 0 0;
  color: #ff9c7d;
  font-size: 0.83rem;
}

.signal-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.5rem;
}

.signal-actions .signal-back {
  margin-top: 0;
}

.signal-submit {
  display: inline-flex;
  min-height: 3.4rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-signal-hot);
  background: var(--color-signal-hot);
  color: var(--color-chassis);
  padding: 0.9rem 1.45rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  cursor: pointer;
  text-decoration: none;
  text-transform: uppercase;
}

.signal-submit:hover {
  border-color: var(--color-paper);
  background: var(--color-paper);
}

.signal-band {
  display: inline-block;
  margin: 0 0 1rem;
  border: 1px solid var(--color-line-d);
  color: var(--color-signal-hot);
  padding: 0.35rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.signal-total {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
}

.signal-total strong {
  color: var(--color-signal);
  font-size: clamp(5.5rem, 20vw, 9rem);
  font-weight: 700;
  letter-spacing: -0.075em;
  line-height: 0.82;
}

.signal-total span {
  color: var(--color-mute-d);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.signal-result h1 {
  max-width: 16ch;
  margin-top: 1.8rem;
}

.signal-result > p:not(.signal-band):not(.signal-save-status):not(.signal-disclaimer) {
  max-width: 39rem;
  margin: 1.2rem 0 0;
  color: var(--color-mute-d);
  font-size: 1.05rem;
  line-height: 1.62;
}

.signal-result > .signal-result-lead {
  margin-top: 2rem !important;
  color: var(--color-paper) !important;
  font-size: 1.35rem !important;
  font-weight: 650;
}

.signal-book {
  margin-top: 1.7rem;
}

.signal-save-status[data-state="saved"] {
  color: var(--color-signal-hot);
}

.signal-save-status[data-state="error"] {
  color: #c7c7c7;
}

.signal-restart {
  margin-top: 1.2rem;
}

@media (max-width: 540px) {
  .signal-wrap {
    padding-top: 2.25rem;
  }

  .signal-screen {
    margin-top: 2.4rem;
  }

  .signal-actions {
    align-items: stretch;
    flex-direction: column-reverse;
  }

  .signal-submit,
  .signal-book {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .signal-progress span,
  .signal-option span {
    transition: none;
  }
}