:root {
  color-scheme: dark;
  --black: #080705;
  --surface: #12100c;
  --panel: #1a1711;
  --panel-light: #242018;
  --amber: #ffae32;
  --amber-hot: #ffd06b;
  --amber-dim: #9b6720;
  --cream: #f4ead6;
  --muted: #9e9586;
  --danger: #ff765f;
  --live: #65dc6d;
  --offline: #e5534b;
  --line: rgba(255, 191, 77, 0.18);
  --display: ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
  --sans:
    Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--black);
}

body {
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  overflow-x: hidden;
  color: var(--cream);
  background:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px) 0 0 / 100%
      4px,
    radial-gradient(
      circle at 12% 0%,
      rgba(255, 166, 40, 0.08),
      transparent 35rem
    ),
    var(--black);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

button,
input,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.ambient-glow {
  position: fixed;
  z-index: -1;
  top: 12rem;
  right: -12rem;
  width: 32rem;
  height: 32rem;
  border-radius: 50%;
  background: rgba(255, 153, 25, 0.045);
  filter: blur(80px);
  pointer-events: none;
}

.suggestion-strip {
  width: min(100% - 32px, 1180px);
  min-height: 50px;
  margin: 12px auto 0;
  padding: 7px 8px 7px 12px;
  display: flex;
  gap: 10px;
  align-items: center;
  border: 1px solid #373025;
  background:
    radial-gradient(circle, rgba(255, 174, 50, 0.12) 0 1px, transparent 1.4px) 0
      0 / 5px 5px,
    #0d0b08;
  box-shadow:
    inset 0 1px rgba(255, 255, 255, 0.05),
    inset 0 -2px 4px rgba(0, 0, 0, 0.55),
    0 8px 24px rgba(0, 0, 0, 0.2);
  overflow: hidden;
}

.suggestion-display {
  min-width: 0;
  flex: 1;
  overflow: hidden;
}

.suggestion-track {
  width: max-content;
  display: flex;
  gap: 16px;
  align-items: center;
  color: var(--amber);
  font: 700 0.65rem/1 var(--display);
  letter-spacing: 0.08em;
  text-shadow: 0 0 8px rgba(255, 174, 50, 0.55);
  white-space: nowrap;
  animation: suggestion-scroll 24s linear infinite;
}

.suggestion-track b {
  color: #5e421f;
  font-weight: inherit;
}

.live-status {
  flex: 0 0 auto;
  display: inline-flex;
  min-height: 32px;
  padding: 0 9px;
  gap: 8px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(0, 0, 0, 0.25);
  color: var(--muted);
  font: 650 0.64rem/1 var(--display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.status-lamp {
  position: relative;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #54483f;
  box-shadow:
    inset 1px 1px 2px rgba(255, 255, 255, 0.2),
    inset -2px -2px 3px rgba(0, 0, 0, 0.55),
    0 1px 1px rgba(0, 0, 0, 0.8);
}

.status-lamp::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 3px;
  width: 4px;
  height: 2px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.38);
  filter: blur(0.4px);
}

.live-status[data-state="online"] {
  border-color: rgba(101, 220, 109, 0.28);
  color: #a4eaa8;
}

.live-status[data-state="online"] .status-lamp {
  background: var(--live);
  box-shadow:
    inset 1px 1px 2px rgba(255, 255, 255, 0.48),
    inset -2px -2px 3px rgba(12, 91, 27, 0.65),
    0 0 8px rgba(101, 220, 109, 0.8),
    0 1px 1px rgba(0, 0, 0, 0.8);
  animation: live-pulse 2.2s ease-out infinite;
}

.live-status[data-state="offline"] .status-lamp {
  background: var(--offline);
  box-shadow:
    inset 1px 1px 2px rgba(255, 255, 255, 0.3),
    inset -2px -2px 3px rgba(103, 18, 15, 0.7),
    0 0 6px rgba(229, 83, 75, 0.38),
    0 1px 1px rgba(0, 0, 0, 0.8);
}

.layout {
  width: min(100% - 32px, 1180px);
  margin: 0 auto;
  padding: 20px 0 30px;
}

.intro {
  padding: 0 3px 26px;
}

.kicker,
.success-code {
  margin: 0;
  color: var(--amber);
  font: 700 0.67rem/1.4 var(--display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.kicker span {
  margin-right: 12px;
  color: var(--muted);
}

h1 {
  max-width: 680px;
  margin: 15px 0 17px;
  font-size: clamp(2.75rem, 13vw, 4.3rem);
  font-weight: 780;
  line-height: 0.87;
  letter-spacing: -0.07em;
}

h1 em {
  color: var(--amber);
  font-style: normal;
  text-shadow: 0 0 28px rgba(255, 174, 50, 0.2);
}

.intro-copy {
  max-width: 560px;
  margin: 0;
  color: #bbb2a3;
  font-size: 0.92rem;
  line-height: 1.5;
}

.signal-board {
  display: none;
}

.console {
  position: relative;
  padding: 28px 22px 26px;
  border: 1px solid #393228;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.035), transparent 20%),
    var(--panel);
  box-shadow:
    0 24px 80px rgba(0, 0, 0, 0.36),
    inset 0 0 0 4px rgba(0, 0, 0, 0.12);
}

.console::before {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px solid rgba(255, 255, 255, 0.035);
  pointer-events: none;
}

.screw {
  position: absolute;
  z-index: 1;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #625a4c;
  box-shadow:
    inset 1px 1px rgba(255, 255, 255, 0.2),
    0 1px 2px #000;
}

.screw::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 1px;
  width: 5px;
  height: 1px;
  background: #27231d;
  transform: rotate(-30deg);
}

.screw-top-left {
  top: 12px;
  left: 12px;
}

.screw-top-right {
  top: 12px;
  right: 12px;
}

.screw-bottom-left {
  bottom: 12px;
  left: 12px;
}

.screw-bottom-right {
  right: 12px;
  bottom: 12px;
}

.success-panel h2 {
  margin: 5px 0 0;
  font-size: 1.4rem;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.field-group {
  margin-bottom: 22px;
}

.field-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 9px;
}

.field-heading label {
  color: #d9d0bf;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.field-heading output {
  color: #777064;
  font: 600 0.61rem/1 var(--display);
}

input,
textarea {
  width: 100%;
  margin: 0;
  border: 1px solid #3b352c;
  border-radius: 0;
  outline: 0;
  background:
    radial-gradient(circle, rgba(255, 174, 50, 0.04) 0 1px, transparent 1.4px) 0
      0 / 5px 5px,
    #0e0c09;
  color: var(--amber-hot);
  caret-color: var(--amber);
  font: 550 1rem/1.5 var(--display);
  transition:
    border-color 150ms ease,
    box-shadow 150ms ease;
}

input {
  height: 52px;
  padding: 0 15px;
}

textarea {
  min-height: 102px;
  padding: 14px 15px;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: #5e574b;
  opacity: 1;
}

input:focus,
textarea:focus {
  border-color: var(--amber-dim);
  box-shadow:
    0 0 0 3px rgba(255, 174, 50, 0.07),
    inset 0 0 22px rgba(255, 174, 50, 0.025);
}

input[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: var(--danger);
}

input:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.field-error {
  min-height: 16px;
  margin: 6px 0 -16px;
  color: var(--danger);
  font-size: 0.72rem;
}

.send-button,
.secondary-button {
  min-height: 54px;
  border: 0;
  border-radius: 0;
  cursor: pointer;
  font-weight: 780;
}

.send-button {
  position: relative;
  width: 100%;
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  overflow: hidden;
  background: var(--amber);
  color: #171006;
  transition:
    background 150ms ease,
    transform 100ms ease,
    opacity 150ms ease;
}

.send-button:not(:disabled):hover {
  background: var(--amber-hot);
}

.send-button:not(:disabled):active {
  transform: translateY(1px);
}

.send-button:focus-visible,
.secondary-button:focus-visible {
  outline: 2px solid var(--amber-hot);
  outline-offset: 3px;
}

.send-button:disabled {
  cursor: not-allowed;
  opacity: 0.32;
}

.button-arrow {
  font: 500 1.5rem/1 var(--display);
  transition: transform 160ms ease;
}

.send-button:not(:disabled):hover .button-arrow {
  transform: translateX(3px);
}

.button-loader {
  display: none;
  width: 17px;
  height: 17px;
  border: 2px solid rgba(23, 16, 6, 0.25);
  border-top-color: #171006;
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}

.send-button[data-loading="true"] .button-arrow {
  display: none;
}

.send-button[data-loading="true"] .button-loader {
  display: block;
}

.form-note {
  margin: 14px 2px 0;
  color: #756e62;
  font-size: 0.71rem;
  line-height: 1.5;
}

.form-stage,
#message-form,
.success-panel {
  min-height: 350px;
}

.success-panel {
  height: 100%;
}

.offline-panel {
  min-height: 350px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 13px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 118, 95, 0.25);
  background:
    radial-gradient(circle at center, rgba(255, 118, 95, 0.07), transparent 58%),
    rgba(255, 118, 95, 0.025);
  text-align: center;
}

.offline-panel[hidden] {
  display: none;
}

.offline-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 118, 95, 0.5);
  border-radius: 50%;
  background: #351512;
  box-shadow:
    inset 2px 2px 3px rgba(255, 255, 255, 0.1),
    inset -3px -3px 5px rgba(84, 10, 7, 0.75),
    0 0 18px rgba(255, 118, 95, 0.12);
  color: var(--danger);
  font: 700 1.35rem/1 var(--display);
}

.offline-panel strong {
  display: block;
  color: #efb1a4;
  font-size: 0.9rem;
}

.offline-panel p {
  max-width: 290px;
  margin: 4px 0 0;
  color: #a8837b;
  font-size: 0.78rem;
  line-height: 1.55;
}

.success-panel {
  padding: 26px 4px 7px;
  text-align: center;
}

.success-panel:not([hidden]) {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.success-panel[hidden] {
  display: none;
}

.success-panel > p:not(.success-code) {
  max-width: 360px;
  margin: 12px auto 25px;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

.success-pulse {
  width: 70px;
  height: 70px;
  margin: 0 auto 23px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 174, 50, 0.14);
  border-radius: 50%;
  box-shadow: 0 0 40px rgba(255, 174, 50, 0.08);
}

.success-pulse span {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 16px var(--amber);
}

.secondary-button {
  width: 100%;
  padding: 0 16px;
  border: 1px solid #4c4335;
  background: transparent;
  color: var(--cream);
}

.secondary-button:hover {
  border-color: var(--amber-dim);
  color: var(--amber-hot);
}

footer {
  width: min(100% - 32px, 1180px);
  margin: 0 auto;
  padding: 25px 0 max(30px, env(safe-area-inset-bottom));
  display: flex;
  gap: 13px;
  align-items: center;
  color: #5f594f;
  font: 650 0.58rem/1 var(--display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-rule {
  height: 1px;
  flex: 1;
  background: rgba(255, 255, 255, 0.06);
}

.toast {
  position: fixed;
  z-index: 10;
  right: 16px;
  bottom: max(16px, env(safe-area-inset-bottom));
  left: 16px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 118, 95, 0.38);
  background: #271410;
  color: #ffb3a5;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  font-size: 0.8rem;
  line-height: 1.4;
}

.toast[hidden] {
  display: none;
}

@media (min-width: 780px) {
  .suggestion-strip,
  .layout,
  footer {
    width: min(100% - 72px, 1180px);
  }

  .suggestion-strip {
    min-height: 56px;
    margin-top: 20px;
  }

  .layout {
    padding-top: 48px;
  }

  .intro {
    padding: 0 3px 44px;
  }

  h1 {
    margin: 21px 0 24px;
    font-size: clamp(3.25rem, 15vw, 6.9rem);
  }

  .intro-copy {
    font-size: 1rem;
    line-height: 1.65;
  }

  .console {
    padding: 38px 42px 36px;
  }

  .toast {
    right: 28px;
    left: auto;
    width: min(380px, calc(100vw - 56px));
  }
}

@media (min-width: 980px) {
  body {
    display: flex;
    min-height: 100vh;
    min-height: 100svh;
    flex-direction: column;
  }

  .layout {
    flex: 1;
    padding: 48px 0 62px;
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(420px, 0.82fr);
    gap: clamp(60px, 8vw, 126px);
    align-items: center;
  }

  .intro {
    padding: 0;
  }

  h1 {
    margin-top: 27px;
    font-size: clamp(5rem, 7vw, 7.1rem);
  }

  .signal-board {
    width: min(100%, 560px);
    margin-top: 48px;
    display: block;
    border: 1px solid #2d281f;
    background: #0c0a07;
  }

  .signal-label {
    padding: 9px 11px;
    display: block;
    border-bottom: 1px solid #2d281f;
    color: #71695c;
    font: 650 0.56rem/1 var(--display);
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }

  .signal-line {
    padding: 18px 14px 17px;
    display: flex;
    justify-content: space-between;
    color: var(--amber);
    font: 680 0.69rem/1 var(--display);
    letter-spacing: 0.08em;
    text-shadow: 0 0 8px rgba(255, 174, 50, 0.6);
  }

  .signal-line b {
    color: #5e421f;
    font-weight: inherit;
  }

  .signal-dots {
    height: 6px;
    background: radial-gradient(circle, #563817 0 1px, transparent 1.5px) 0 0 /
      6px 6px;
  }

  .console {
    align-self: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@keyframes live-pulse {
  0% {
    box-shadow:
      inset 1px 1px 2px rgba(255, 255, 255, 0.48),
      inset -2px -2px 3px rgba(12, 91, 27, 0.65),
      0 0 0 0 rgba(101, 220, 109, 0.7),
      0 1px 1px rgba(0, 0, 0, 0.8);
  }
  70% {
    box-shadow:
      inset 1px 1px 2px rgba(255, 255, 255, 0.48),
      inset -2px -2px 3px rgba(12, 91, 27, 0.65),
      0 0 0 6px rgba(101, 220, 109, 0),
      0 1px 1px rgba(0, 0, 0, 0.8);
  }
  100% {
    box-shadow:
      inset 1px 1px 2px rgba(255, 255, 255, 0.48),
      inset -2px -2px 3px rgba(12, 91, 27, 0.65),
      0 0 0 0 rgba(101, 220, 109, 0),
      0 1px 1px rgba(0, 0, 0, 0.8);
  }
}

@keyframes suggestion-scroll {
  to {
    transform: translateX(-50%);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}