body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", sans-serif;
  background: linear-gradient(180deg, #d7fffa 0%, #edf8ff 100%);
  color: #133640;
}

.shell {
  width: min(1280px, calc(100vw - 32px));
  margin: 24px auto 56px;
}

.hero,
.panel,
.metric-card {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(0, 110, 122, 0.08);
  box-shadow: 0 20px 60px rgba(7, 81, 93, 0.08);
  backdrop-filter: blur(18px);
}

.hero,
.panel {
  border-radius: 28px;
  padding: 24px;
  margin-bottom: 18px;
}

.hero {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 20px;
}

.eyebrow {
  margin: 0 0 8px;
  color: #11808a;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

.hero-copy,
.hint {
  color: #4d6f78;
}

.token-card {
  padding: 18px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(4, 167, 176, 0.12), rgba(0, 117, 147, 0.05));
}

.token-row {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(14, 95, 104, 0.14);
  padding: 12px 14px;
  box-sizing: border-box;
  background: rgba(255, 255, 255, 0.92);
}

textarea {
  min-height: 480px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  line-height: 1.45;
}

button {
  border: 0;
  border-radius: 14px;
  padding: 12px 16px;
  cursor: pointer;
  background: rgba(14, 107, 121, 0.12);
  color: #0b5d68;
  font-weight: 700;
}

button.primary {
  background: linear-gradient(135deg, #14c5c5, #0c98b6);
  color: white;
}

.grid.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 18px;
}

.metric-card {
  border-radius: 22px;
  padding: 18px;
}

.metric-label {
  font-size: 12px;
  color: #62848d;
  margin-bottom: 8px;
}

.metric-value {
  font-size: 28px;
  font-weight: 800;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.config-help {
  margin-bottom: 14px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(20, 197, 197, 0.08);
  color: #386770;
  font-size: 13px;
  line-height: 1.55;
}

.config-help p:last-child {
  margin-bottom: 0;
}

.invite-form {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.invite-form .wide {
  grid-column: span 4;
}

.config-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.result-box {
  padding: 16px;
  border-radius: 18px;
  background: #0f2a31;
  color: #d8f7f9;
  overflow: auto;
  min-height: 88px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 12px;
  border-bottom: 1px solid rgba(12, 86, 96, 0.08);
}

thead {
  background: rgba(10, 184, 197, 0.08);
}

@media (max-width: 960px) {
  .hero,
  .config-grid,
  .grid.metrics,
  .invite-form {
    grid-template-columns: 1fr;
  }

  .invite-form .wide {
    grid-column: auto;
  }
}