:root {
  --bg: #07111f;
  --bg-accent: radial-gradient(circle at top left, rgba(46, 123, 255, 0.28), transparent 34%),
    radial-gradient(circle at 80% 10%, rgba(51, 196, 140, 0.22), transparent 28%),
    linear-gradient(180deg, #07111f 0%, #09192c 52%, #050c16 100%);
  --panel: rgba(9, 24, 43, 0.76);
  --panel-strong: rgba(7, 18, 33, 0.92);
  --border: rgba(132, 175, 255, 0.18);
  --text: #ecf4ff;
  --muted: #9db3cc;
  --accent: #4fd4a8;
  --accent-strong: #7ee7c4;
  --blue: #64a7ff;
  --danger: #ff8f8f;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.32);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "Inter", sans-serif;
  color: var(--text);
  background: var(--bg-accent);
}

button,
input {
  font: inherit;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 36px 0 64px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.9fr);
  gap: 24px;
  margin-bottom: 28px;
}

.hero__copy,
.hero__panel,
.card {
  position: relative;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero__copy,
.card {
  padding: 28px;
}

.hero__panel {
  padding: 28px 24px;
}

.hero__copy::before,
.hero__panel::before,
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent 45%);
  pointer-events: none;
}

.eyebrow,
.card__head span,
.hero__panel span {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--accent-strong);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  line-height: 1.05;
}

h1 {
  font-size: clamp(2.6rem, 5vw, 4.4rem);
  max-width: 10ch;
}

h2 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.hero__lead,
.hero__support,
.card p,
.usage-copy {
  color: var(--muted);
  line-height: 1.65;
}

.hero__lead {
  font-size: 1.08rem;
  max-width: 54ch;
  margin: 18px 0 10px;
}

.hero__support {
  max-width: 58ch;
  margin-bottom: 22px;
}

.hero__topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.hero__panel-title {
  font-size: 1.35rem;
  margin-bottom: 10px;
}

.language-switch {
  display: inline-flex;
  padding: 4px;
  gap: 4px;
  background: rgba(22, 29, 39, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.language-switch__button {
  border: 0;
  border-radius: 999px;
  min-width: 92px;
  padding: 10px 16px;
  color: rgba(255, 255, 255, 0.82);
  background: transparent;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.language-switch__button:hover {
  transform: none;
  color: #fff;
}

.language-switch__button.is-active {
  color: #fff;
  background: linear-gradient(180deg, rgba(80, 86, 96, 0.96) 0%, rgba(58, 64, 73, 0.96) 100%);
  font-weight: 700;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.hero__actions,
.token-form {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  cursor: pointer;
  transition: transform 160ms ease, opacity 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.button--primary {
  color: #04111f;
  background: linear-gradient(135deg, var(--accent) 0%, #91f0d2 100%);
  font-weight: 700;
}

.button--ghost {
  color: var(--text);
  background: rgba(100, 167, 255, 0.14);
  border: 1px solid rgba(100, 167, 255, 0.2);
}

.button--danger {
  color: #fff;
  background: rgba(255, 94, 94, 0.16);
  border: 1px solid rgba(255, 94, 94, 0.24);
}

.status {
  margin: 16px 0 0;
  color: var(--blue);
}

.status--muted {
  color: var(--muted);
}

.tool-list {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--text);
  line-height: 1.9;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.card__head {
  margin-bottom: 16px;
}

.token-form {
  margin: 20px 0;
  align-items: end;
}

.token-form label {
  display: block;
  width: 100%;
  margin-bottom: 6px;
  font-size: 0.95rem;
}

.token-form input {
  width: min(100%, 340px);
  padding: 12px 14px;
  color: var(--text);
  background: var(--panel-strong);
  border: 1px solid rgba(132, 175, 255, 0.22);
  border-radius: var(--radius-sm);
}

.token-output,
.code-block,
.token-row {
  background: rgba(4, 13, 24, 0.72);
  border: 1px solid rgba(132, 175, 255, 0.16);
  border-radius: var(--radius-md);
}

.token-output {
  margin-top: 16px;
  padding: 18px;
}

.token-output__actions {
  display: flex;
  justify-content: flex-start;
  margin-bottom: 10px;
}

.token-output code,
.code-block {
  display: block;
  overflow-x: auto;
  font-family: "Cascadia Code", "Consolas", monospace;
}

.token-output code {
  margin: 10px 0 8px;
  word-break: break-all;
  color: var(--accent-strong);
}

.code-block {
  margin: 0;
  padding: 18px;
  color: #cfe0f9;
  white-space: pre-wrap;
}

.token-list {
  display: grid;
  gap: 12px;
}

.token-row {
  padding: 16px;
}

.token-row__head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.token-row__head strong {
  font-size: 1rem;
}

.token-row dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 14px;
  margin: 12px 0 0;
}

.token-row dt {
  color: var(--muted);
  font-size: 0.82rem;
}

.token-row dd {
  margin: 4px 0 0;
}

.empty-state {
  color: var(--muted);
}

.hidden {
  display: none;
}

@media (max-width: 920px) {
  .hero,
  .content-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 1180px);
    padding-top: 20px;
  }

  .hero__topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero__copy,
  .hero__panel,
  .card {
    padding: 22px;
  }

  .token-row dl {
    grid-template-columns: 1fr;
  }
}