:root {
  --cr-bg: #060708;
  --cr-panel: rgba(14, 18, 20, 0.76);
  --cr-panel-strong: rgba(20, 26, 29, 0.92);
  --cr-text: #e8eee9;
  --cr-muted: #9aa7a0;
  --cr-line: rgba(202, 222, 211, 0.18);
  --cr-hot: #d7ff8f;
  --cr-warn: #ffd27a;
  --cr-red: #ff7d7d;
  --cr-shadow: rgba(0, 0, 0, 0.5);
  --cr-radius: 18px;
  --cr-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --cr-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(93, 255, 172, 0.07), transparent 32rem),
    radial-gradient(circle at 80% 10%, rgba(255, 210, 122, 0.06), transparent 28rem),
    linear-gradient(135deg, #050607 0%, #091011 52%, #030404 100%);
  color: var(--cr-text);
  font-family: var(--cr-sans);
}

body {
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 72% 22%, rgba(215, 255, 143, 0.08), transparent 20rem),
    radial-gradient(circle at 18% 84%, rgba(128, 255, 202, 0.055), transparent 22rem),
    linear-gradient(90deg, rgba(0, 0, 0, 0.18), transparent 42%, rgba(0, 0, 0, 0.34));
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(circle at center, transparent 48%, rgba(0, 0, 0, 0.48) 100%);
}

button,
a {
  font: inherit;
}

a {
  color: var(--cr-hot);
}

.cr-page {
  position: relative;
  min-height: 100vh;
  padding: 28px;
}

.cr-chamber {
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.9;
  pointer-events: none;
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 5px rgba(215, 255, 143, 0.18));
}

.cr-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
}

.cr-main {
  min-height: calc(100vh - 56px);
  display: grid;
  align-items: center;
}

.cr-card {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.025), transparent 42%),
    var(--cr-panel);
  border: 1px solid var(--cr-line);
  border-radius: var(--cr-radius);
  box-shadow: 0 24px 80px var(--cr-shadow);
  backdrop-filter: blur(14px) saturate(112%);
}

.cr-entry {
  padding: 34px;
}

.cr-kicker {
  margin: 0 0 12px;
  color: var(--cr-hot);
  font-family: var(--cr-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.cr-title {
  margin: 0;
  font-size: clamp(36px, 7vw, 72px);
  line-height: 0.92;
  letter-spacing: -0.06em;
}

.cr-subtitle {
  max-width: 680px;
  margin: 22px 0 0;
  color: var(--cr-muted);
  font-size: 18px;
  line-height: 1.55;
}

.cr-not-login {
  display: inline-flex;
  margin-top: 24px;
  padding: 10px 13px;
  border: 1px solid rgba(215, 255, 143, 0.28);
  border-radius: 999px;
  color: var(--cr-hot);
  background: rgba(215, 255, 143, 0.06);
  font-family: var(--cr-mono);
  font-size: 13px;
}

.cr-list {
  display: grid;
  gap: 9px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  color: var(--cr-muted);
}

.cr-list li::before {
  content: "•";
  color: var(--cr-hot);
  margin-right: 10px;
}

.cr-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.cr-button {
  cursor: pointer;
  border: 1px solid var(--cr-line);
  border-radius: 999px;
  padding: 12px 16px;
  color: var(--cr-text);
  background: rgba(255, 255, 255, 0.04);
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.cr-button:hover,
.cr-button:focus {
  transform: translateY(-1px);
  border-color: rgba(215, 255, 143, 0.42);
  background: rgba(215, 255, 143, 0.08);
}

.cr-button-primary {
  color: #071006;
  background: var(--cr-hot);
  border-color: var(--cr-hot);
}

.cr-button-quiet {
  color: var(--cr-muted);
}

.cr-button-danger {
  color: var(--cr-red);
  border-color: rgba(255, 125, 125, 0.32);
}

.cr-side {
  display: grid;
  align-content: start;
  gap: 16px;
  padding-top: 18px;
}

.cr-panel {
  padding: 20px;
}

.cr-panel h2,
.cr-panel h3 {
  margin: 0 0 12px;
  font-size: 16px;
}

.cr-panel p {
  color: var(--cr-muted);
  line-height: 1.5;
}

.cr-help {
  margin-top: 12px;
  border-top: 1px solid var(--cr-line);
  padding-top: 12px;
}

.cr-help summary {
  cursor: pointer;
  color: var(--cr-hot);
  font-family: var(--cr-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cr-help p {
  margin: 10px 0 0;
  font-size: 13px;
}

.cr-ticket-panel .cr-stat-value {
  overflow-wrap: anywhere;
}

.cr-ticket-grid {
  grid-template-columns: 1fr 1fr;
}

.cr-ticket-id-stat {
  grid-column: 1 / -1;
}

.cr-ticket-note {
  margin-bottom: 0;
}

.cr-chamber-grid {
  grid-template-columns: 1fr 1fr;
}

.cr-mono {
  font-family: var(--cr-mono);
}

.cr-hud-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.cr-stat {
  padding: 12px;
  border: 1px solid var(--cr-line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
}

.cr-stat-label {
  display: block;
  color: var(--cr-muted);
  font-size: 11px;
  font-family: var(--cr-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.cr-stat-value {
  display: block;
  margin-top: 5px;
  font-size: 18px;
}

.cr-endpoints {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--cr-mono);
  font-size: 12px;
}

.cr-endpoints a {
  text-decoration: none;
}

.cr-toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 5;
  transform: translateX(-50%);
  max-width: min(520px, calc(100vw - 32px));
  padding: 12px 14px;
  border: 1px solid var(--cr-line);
  border-radius: 14px;
  color: var(--cr-text);
  background: var(--cr-panel-strong);
  box-shadow: 0 12px 40px var(--cr-shadow);
  font-family: var(--cr-mono);
  font-size: 13px;
}

.cr-hidden {
  display: none !important;
}

@media (max-width: 920px) {
  .cr-shell {
    grid-template-columns: 1fr;
  }

  .cr-side {
    padding-top: 0;
  }

  .cr-main {
    min-height: auto;
  }

  .cr-page {
    padding: 16px;
  }
}

/* Phase 3A mobile ticket booth */
@media (max-width: 640px) {
  .cr-chamber {
    opacity: 0.72;
  }

  .cr-page {
    padding: 12px;
  }

  .cr-shell {
    display: block;
  }

  .cr-main {
    min-height: auto;
  }

  .cr-entry {
    padding: 22px;
  }

  .cr-kicker {
    font-size: 11px;
  }

  .cr-title {
    font-size: 42px;
    line-height: 0.95;
  }

  .cr-subtitle {
    margin-top: 16px;
    font-size: 15px;
    line-height: 1.45;
  }

  .cr-not-login {
    margin-top: 18px;
    font-size: 12px;
  }

  .cr-list {
    display: none;
  }

  .cr-actions {
    display: grid;
    gap: 10px;
  }

  .cr-button {
    width: 100%;
  }

  .cr-side {
    margin-top: 14px;
    gap: 12px;
  }

  .cr-panel {
    padding: 16px;
  }


  .cr-ticket-panel {
    border-style: dashed;
  }

  .cr-ticket-panel .cr-hud-grid {
    grid-template-columns: 1fr 1fr;
  }

  .cr-ticket-id-stat {
    grid-column: 1 / -1;
  }

  .cr-chamber-grid {
    grid-template-columns: 1fr 1fr;
  }

  .cr-hud-grid {
    grid-template-columns: 1fr 1fr;
  }

  .cr-stat {
    padding: 10px;
  }

  .cr-stat-value {
    font-size: 15px;
  }

  .cr-endpoints {
    font-size: 11px;
  }
}

@media (max-width: 420px) {
  .cr-title {
    font-size: 36px;
  }

  .cr-hud-grid {
    grid-template-columns: 1fr;
  }

  .cr-ticket-panel .cr-hud-grid,
  .cr-chamber-panel .cr-hud-grid {
    grid-template-columns: 1fr 1fr;
  }

  .cr-ticket-id-stat {
    grid-column: 1 / -1;
  }
}

/* Phase 3A v4b entry chamber visibility
   Keep the entry booth in the same contained field-world as the homepage,
   while avoiding a dashboard/instrument-panel feel. */
.cr-page::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 18%, rgba(215, 255, 143, 0.085), transparent 24rem),
    radial-gradient(circle at 82% 74%, rgba(128, 255, 202, 0.07), transparent 26rem),
    linear-gradient(135deg, rgba(255, 255, 255, 0.018), transparent 44%);
  opacity: 0.95;
}

.cr-chamber {
  opacity: 1;
  filter:
    drop-shadow(0 0 5px rgba(215, 255, 143, 0.28))
    drop-shadow(0 0 18px rgba(128, 255, 202, 0.12));
}

.cr-trace,
.cr-chamber line,
.cr-chamber path {
  opacity: 0.78;
  filter: drop-shadow(0 0 7px rgba(215, 255, 143, 0.32));
}

.cr-card {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.035), transparent 42%),
    rgba(12, 16, 18, 0.68);
  border-color: rgba(202, 222, 211, 0.22);
}

.cr-side .cr-card,
.cr-ticket-panel,
.cr-chamber-panel,
.cr-agent-panel {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.032), transparent 44%),
    rgba(10, 14, 16, 0.62);
}

.cr-meter-value,
[data-chamber-rate],
#chamber-rate {
  transition: opacity 320ms ease, transform 320ms ease;
}

@media (max-width: 760px) {
  .cr-chamber {
    opacity: 0.82;
  }

  .cr-page::before {
    opacity: 0.72;
  }

  .cr-card {
    backdrop-filter: blur(11px) saturate(108%);
  }
}


/* Phase 3A v4c visible entry chamber field
   Canvas-based cloud chamber presence for the entry booth. */
.cr-chamber {
  opacity: 0.98;
  mix-blend-mode: screen;
  filter:
    drop-shadow(0 0 8px rgba(215, 255, 143, 0.34))
    drop-shadow(0 0 28px rgba(128, 255, 202, 0.16));
}

.cr-page {
  background:
    radial-gradient(circle at 24% 22%, rgba(215, 255, 143, 0.045), transparent 25rem),
    radial-gradient(circle at 76% 78%, rgba(128, 255, 202, 0.038), transparent 28rem);
}

.cr-card {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.032), transparent 42%),
    rgba(8, 12, 14, 0.58);
}

.cr-side .cr-card,
.cr-ticket-panel,
.cr-chamber-panel,
.cr-agent-panel {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.03), transparent 44%),
    rgba(8, 12, 14, 0.54);
}

[data-chamber-rate] {
  color: var(--cr-hot);
}

@media (max-width: 760px) {
  .cr-chamber {
    opacity: 0.78;
  }
}


/* Phase 3A v4d natural entry chamber tails
   Pull the entry canvas back toward the homepage cloud-chamber language:
   faint, physical, naturally fading, not neon comet trails. */
.cr-chamber {
  opacity: 0.72;
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 4px rgba(215, 255, 143, 0.13));
}

.cr-card {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.026), transparent 42%),
    rgba(8, 12, 14, 0.64);
}

.cr-side .cr-card,
.cr-ticket-panel,
.cr-chamber-panel,
.cr-agent-panel {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.024), transparent 44%),
    rgba(8, 12, 14, 0.60);
}

@media (max-width: 760px) {
  .cr-chamber {
    opacity: 0.46;
  }
}


/* Phase 3A v4e chamber calibration
   Bracketed between v4c neon tails and v4d invisible field. */
[data-chamber-rate] {
  color: var(--cr-hot);
}