:root {
  color-scheme: dark;
  --bg-night: #100736;
  --bg-electric: #2b26b3;
  --bg-sky: #56a4ff;
  --panel: rgba(16, 14, 64, 0.88);
  --panel-strong: rgba(26, 18, 92, 0.96);
  --panel-soft: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 231, 163, 0.22);
  --text: #fff6d8;
  --muted: #dfe4ff;
  --gold: #ffd56f;
  --gold-deep: #d28b1e;
  --blue: #3e92ff;
  --blue-deep: #2252da;
  --success-bg: rgba(16, 43, 33, 0.9);
  --success-border: rgba(255, 216, 115, 0.24);
  --success-text: #fff6d4;
  --shadow: 0 30px 80px rgba(4, 7, 31, 0.48);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 16%, rgba(255, 215, 115, 0.42), transparent 9%),
    radial-gradient(circle at 82% 12%, rgba(255, 219, 136, 0.5), transparent 8%),
    radial-gradient(circle at 84% 78%, rgba(255, 181, 69, 0.34), transparent 12%),
    radial-gradient(circle at 10% 80%, rgba(255, 214, 110, 0.26), transparent 11%),
    radial-gradient(circle at 50% 24%, rgba(119, 192, 255, 0.36), transparent 20%),
    linear-gradient(180deg, rgba(78, 66, 232, 0.82), rgba(18, 12, 63, 0.96)),
    linear-gradient(135deg, var(--bg-sky), var(--bg-electric) 38%, var(--bg-night) 88%);
  background-size: 120% 120%, 120% 120%, 140% 140%, 135% 135%, 150% 150%, 100% 100%, 100% 100%;
  overflow-x: hidden;
  animation: background-drift 22s ease-in-out infinite alternate;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(circle at center, black 58%, transparent 96%);
  opacity: 0.6;
  animation: grid-drift 28s linear infinite;
}

body::after {
  background:
    radial-gradient(circle at 16% 20%, rgba(255, 240, 197, 0.95), transparent 1.2%),
    radial-gradient(circle at 72% 28%, rgba(255, 240, 197, 0.9), transparent 1.1%),
    radial-gradient(circle at 47% 68%, rgba(255, 232, 173, 0.82), transparent 1%),
    radial-gradient(circle at 63% 86%, rgba(255, 240, 197, 0.9), transparent 1.1%),
    radial-gradient(circle at 29% 76%, rgba(255, 240, 197, 0.78), transparent 0.9%);
  opacity: 0.75;
  transform: translate3d(0, 0, 0) scale(1);
  animation: spark-drift 14s ease-in-out infinite alternate;
}

.page::before,
.page::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.page::before {
  background:
    radial-gradient(circle at 14% 22%, rgba(255, 220, 116, 0.92), transparent 1.6%),
    radial-gradient(circle at 78% 18%, rgba(255, 228, 138, 0.9), transparent 1.7%),
    radial-gradient(circle at 84% 66%, rgba(255, 207, 84, 0.8), transparent 1.3%),
    radial-gradient(circle at 24% 82%, rgba(255, 232, 173, 0.76), transparent 1.2%);
  opacity: 0.65;
  animation: coin-glow 16s ease-in-out infinite;
}

.page::after {
  background:
    radial-gradient(circle at 10% 18%, rgba(255, 255, 255, 0.22), transparent 7%),
    radial-gradient(circle at 88% 22%, rgba(255, 255, 255, 0.18), transparent 9%),
    radial-gradient(circle at 74% 78%, rgba(255, 255, 255, 0.14), transparent 10%),
    radial-gradient(circle at 18% 72%, rgba(255, 255, 255, 0.12), transparent 8%);
  opacity: 0.42;
  animation: haze-drift 24s ease-in-out infinite alternate;
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 20px;
  position: relative;
}

.experience-shell {
  width: min(100%, 920px);
}

.marquee-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 22px;
  padding: 12px 18px;
  border: 1px solid rgba(255, 218, 126, 0.18);
  border-radius: 999px;
  background: rgba(13, 10, 49, 0.54);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
}

.marquee-pill,
.marquee-copy {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 800;
}

.marquee-pill {
  color: var(--gold);
}

.marquee-copy {
  color: rgba(243, 240, 255, 0.88);
  font-size: 0.92rem;
}

.marquee-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fff6d4, #ffc84c 68%, #b46d00 100%);
  box-shadow: 0 0 18px rgba(255, 213, 104, 0.7);
}

.card {
  position: relative;
  overflow: hidden;
  padding: 38px;
  border-radius: 34px;
  background:
    linear-gradient(180deg, rgba(42, 36, 145, 0.9), rgba(11, 14, 58, 0.98)),
    var(--panel);
  border: 1px solid rgba(255, 220, 132, 0.28);
  box-shadow: var(--shadow);
}

.card::before,
.card::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.card::before {
  width: 300px;
  height: 300px;
  top: -110px;
  right: -80px;
  background: radial-gradient(circle, rgba(255, 212, 105, 0.32), transparent 68%);
}

.card::after {
  width: 360px;
  height: 360px;
  bottom: -180px;
  left: -120px;
  background: radial-gradient(circle, rgba(93, 188, 255, 0.24), transparent 68%);
}

.hero-panel {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(250px, 0.8fr);
  gap: 24px;
  align-items: center;
}

.hero-copy {
  max-width: 520px;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.9rem, 7vw, 4.9rem);
  line-height: 0.92;
  letter-spacing: -0.04em;
  color: #fff5c8;
  text-shadow:
    0 2px 0 rgba(109, 54, 0, 0.5),
    0 0 18px rgba(255, 222, 129, 0.18),
    0 8px 28px rgba(10, 18, 73, 0.5);
}

.subcopy {
  margin: 18px 0 0;
  max-width: 34rem;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.55;
}

.play-callout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 18px 0 0;
  color: #f6efcf;
  font-size: 1rem;
  font-weight: 700;
}

.play-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  background: linear-gradient(180deg, #ffe7a6, #efb538 58%, #c88212);
  color: #3d2500;
  font-weight: 900;
  letter-spacing: 0.05em;
  text-decoration: none;
  text-transform: uppercase;
  box-shadow:
    0 10px 22px rgba(85, 46, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.58);
}

.play-link:hover {
  filter: brightness(1.04);
}

.hero-mark {
  display: grid;
  align-items: center;
  padding: 14px;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    rgba(11, 11, 56, 0.46);
  border: 1px solid rgba(255, 222, 133, 0.2);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 18px 36px rgba(9, 18, 76, 0.28);
}

.hero-art {
  display: block;
  width: 100%;
  max-width: 360px;
  margin-inline: auto;
  border-radius: 22px;
  border: 1px solid rgba(255, 229, 146, 0.18);
  box-shadow:
    0 12px 28px rgba(4, 7, 31, 0.38),
    0 0 28px rgba(105, 160, 255, 0.16);
  object-fit: cover;
  animation: hero-float 8s ease-in-out infinite;
}

.card-divider {
  position: relative;
  z-index: 1;
  height: 1px;
  margin: 28px 0 22px;
  background: linear-gradient(90deg, transparent, rgba(255, 223, 148, 0.42), transparent);
}

.info-strip {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.info-strip span {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 220, 132, 0.14);
  background: rgba(255, 255, 255, 0.05);
  color: rgba(248, 241, 214, 0.9);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.form {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 14px;
}

label {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #f8efca;
}

.input-shell {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 14px;
  padding: 10px 12px 10px 16px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(255, 225, 143, 0.24);
  box-shadow:
    0 12px 30px rgba(0, 0, 0, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.78);
}

.input-prefix {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  height: 52px;
  padding: 0 14px;
  border-radius: 16px;
  background: linear-gradient(180deg, #ffe9a8, #e4a830);
  color: #3d2500;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

input {
  width: 100%;
  border: 0;
  background: transparent;
  color: #20163e;
  font-size: clamp(1.45rem, 4vw, 2rem);
  font-weight: 700;
  outline: none;
}

input::placeholder {
  color: #8d8aa8;
}

button {
  position: relative;
  overflow: hidden;
  margin-top: 8px;
  padding: 20px 24px;
  border: 0;
  border-radius: 999px;
  background:
    linear-gradient(180deg, #2f97ff, #1457d6 66%, #0f42b0),
    linear-gradient(90deg, #fff3b5, #d18b17);
  color: #fffdf5;
  font-size: 1.34rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow:
    0 16px 32px rgba(9, 37, 111, 0.36),
    inset 0 1px 0 rgba(255, 255, 255, 0.36);
}

button::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  border: 1px solid rgba(255, 247, 211, 0.24);
}

button:disabled {
  opacity: 0.7;
  cursor: wait;
}

.status {
  position: relative;
  z-index: 1;
  min-height: 1.6em;
  margin: 18px 0 0;
  color: rgba(242, 235, 210, 0.9);
  font-size: 1rem;
  line-height: 1.5;
}

.result {
  position: relative;
  z-index: 1;
  margin-top: 22px;
  padding: 24px;
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(17, 49, 35, 0.95), rgba(11, 30, 24, 0.96)),
    var(--success-bg);
  border: 1px solid var(--success-border);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  color: var(--success-text);
}

.result-header {
  margin-bottom: 14px;
}

.result-kicker {
  margin: 0 0 6px;
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.result h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.65rem;
}

.result-row {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
  border-top: 1px solid rgba(255, 238, 198, 0.12);
}

.result-row:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.result-row span {
  color: rgba(255, 242, 208, 0.82);
  font-weight: 700;
}

.result-row strong {
  color: #ffe7a1;
  font-size: 1.08rem;
  letter-spacing: 0.04em;
}

.session-output {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font: 0.95rem/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.session-summary {
  margin-bottom: 18px;
}

.session-summary p {
  margin: 4px 0;
}

.session-card {
  margin-top: 16px;
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 239, 187, 0.1);
}

.session-actions {
  display: flex;
  gap: 12px;
  margin-top: 14px;
}

.secondary-button {
  background: linear-gradient(180deg, #6d7db7, #4b5c96);
}

.hidden {
  display: none;
}

@keyframes background-drift {
  0% {
    background-position:
      18% 16%,
      82% 12%,
      84% 78%,
      10% 80%,
      50% 24%,
      50% 0%,
      0% 0%;
  }

  100% {
    background-position:
      14% 20%,
      78% 10%,
      80% 82%,
      14% 74%,
      54% 30%,
      50% 100%,
      100% 100%;
  }
}

@keyframes grid-drift {
  0% {
    transform: translate3d(0, 0, 0);
  }

  100% {
    transform: translate3d(-16px, 20px, 0);
  }
}

@keyframes spark-drift {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 0.6;
  }

  100% {
    transform: translate3d(20px, -14px, 0) scale(1.08);
    opacity: 0.86;
  }
}

@keyframes haze-drift {
  0% {
    transform: translate3d(0, 0, 0);
  }

  100% {
    transform: translate3d(-26px, 18px, 0);
  }
}

@keyframes coin-glow {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.58;
  }

  50% {
    transform: scale(1.05);
    opacity: 0.82;
  }
}

@keyframes hero-float {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

@media (max-width: 760px) {
  .card {
    padding: 26px 22px;
    border-radius: 28px;
  }

  .hero-panel {
    grid-template-columns: 1fr;
  }

  .hero-mark {
    justify-self: stretch;
  }

  .info-strip {
    gap: 8px;
  }

  .info-strip span {
    font-size: 0.76rem;
  }

  .result-row {
    flex-direction: column;
    gap: 6px;
  }
}

@media (max-width: 520px) {
  .page {
    padding: 18px 14px;
  }

  .marquee-banner {
    padding: 10px 12px;
    gap: 10px;
  }

  .card {
    padding: 22px 18px;
  }

  .play-callout {
    align-items: flex-start;
  }

  .input-shell {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .input-prefix {
    min-width: 0;
    width: fit-content;
  }

  button {
    font-size: 1.15rem;
    padding: 18px 20px;
  }
}