:root {
  color-scheme: dark;
  --bg: #08111d;
  --panel: rgba(8, 18, 31, 0.76);
  --panel-strong: rgba(11, 24, 41, 0.94);
  --panel-border: rgba(143, 193, 255, 0.16);
  --text: #edf5ff;
  --muted: #8ba7c6;
  --accent: #7cf2c9;
  --accent-2: #ffca71;
  --danger: #ff8f7d;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(124, 242, 201, 0.16), transparent 26%),
    radial-gradient(circle at 80% 20%, rgba(255, 202, 113, 0.18), transparent 24%),
    linear-gradient(145deg, #06111d 0%, #0d1525 40%, #12192c 100%);
  color: var(--text);
  font-family: "Space Grotesk", "Avenir Next", "Segoe UI", sans-serif;
}

body {
  overflow-x: hidden;
}

.backdrop {
  position: fixed;
  inset: auto;
  width: 24rem;
  height: 24rem;
  filter: blur(60px);
  opacity: 0.28;
  pointer-events: none;
}

.backdrop-a {
  top: -8rem;
  right: -6rem;
  background: #0ee1a4;
}

.backdrop-b {
  bottom: -9rem;
  left: -7rem;
  background: #ffc95c;
}

.shell {
  width: min(1240px, calc(100vw - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 3rem;
}

.panel {
  background: linear-gradient(180deg, rgba(18, 31, 52, 0.88), rgba(8, 18, 31, 0.9));
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero {
  display: grid;
  gap: 1rem;
  grid-template-columns: 2fr 1fr;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, transparent 0%, rgba(124, 242, 201, 0.06) 45%, transparent 70%),
    linear-gradient(0deg, transparent 0%, rgba(255, 202, 113, 0.04) 100%);
  pointer-events: none;
}

.hero-copy,
.hero-status {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 0.35rem;
  color: var(--accent);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.04em;
}

h1 {
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  line-height: 0.95;
}

h2 {
  font-size: 1.45rem;
}

.lede {
  max-width: 48rem;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
}

.hero-status {
  display: grid;
  gap: 0.9rem;
}

.metric {
  padding: 1rem 1.1rem;
  border-radius: 18px;
  background: rgba(4, 11, 20, 0.36);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.metric strong,
.pill,
.code-block,
input,
select {
  font-family: "IBM Plex Mono", monospace;
}

.metric-label {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
}

.preset-strip {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin: 1rem 0;
}

.preset,
button {
  appearance: none;
  border: 0;
  cursor: pointer;
}

.preset {
  padding: 0.85rem 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.preset:hover,
.preset:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(124, 242, 201, 0.6);
  background: rgba(124, 242, 201, 0.12);
}

.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  margin-top: 1rem;
}

.wallet-panel {
  padding: 1.35rem;
  margin-top: 1rem;
}

.wallet-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
}

.wallet-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.wallet-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: flex-end;
}

.form-panel,
.side-panel,
.result-panel,
.footer-panel {
  padding: 1.35rem;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: rgba(124, 242, 201, 0.14);
  color: var(--accent);
  font-size: 0.8rem;
}

.pill.muted {
  background: rgba(255, 255, 255, 0.07);
  color: var(--muted);
}

.pill.warn {
  background: rgba(255, 202, 113, 0.14);
  color: var(--accent-2);
}

.pill.error {
  background: rgba(255, 143, 125, 0.12);
  color: var(--danger);
}

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

label,
.source-picker {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

label span,
.label-title {
  font-size: 0.9rem;
  color: var(--muted);
}

.input-hint {
  font-size: 0.75rem;
  line-height: 1.45;
  color: rgba(196, 207, 218, 0.72);
}

input,
select {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 12, 21, 0.55);
  color: var(--text);
  padding: 0.85rem 0.95rem;
  font-size: 0.92rem;
}

input:focus,
select:focus {
  outline: 2px solid rgba(124, 242, 201, 0.5);
  outline-offset: 2px;
}

.toggle {
  flex-direction: row;
  align-items: center;
  gap: 0.65rem;
  padding-top: 1.9rem;
}

.toggle input {
  width: auto;
}

.source-picker {
  grid-column: 1 / -1;
}

.source-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.source-options label {
  flex-direction: row;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  padding: 0.6rem 0.8rem;
  background: rgba(255, 255, 255, 0.04);
}

.actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 0.75rem;
  margin-top: 0.3rem;
}

.tx-actions {
  display: flex;
  gap: 0.75rem;
  margin: 1rem 0 0;
}

.primary,
.secondary {
  flex: 1;
  padding: 0.95rem 1.05rem;
  border-radius: 16px;
  font-size: 0.95rem;
  font-weight: 700;
  transition: transform 180ms ease, opacity 180ms ease, box-shadow 180ms ease;
}

.primary {
  background: linear-gradient(135deg, #7cf2c9 0%, #4fdfa7 100%);
  color: #042114;
  box-shadow: 0 16px 30px rgba(79, 223, 167, 0.24);
}

.secondary {
  background: linear-gradient(135deg, #ffd89a 0%, #ffb74f 100%);
  color: #281506;
}

.primary:hover,
.secondary:hover,
.primary:focus-visible,
.secondary:focus-visible {
  transform: translateY(-1px);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
  transform: none;
  box-shadow: none;
}

.health-cards {
  display: grid;
  gap: 0.85rem;
}

.health-card {
  padding: 1rem;
  border-radius: 18px;
  background: rgba(5, 12, 21, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.health-card strong {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 1.05rem;
}

.health-meta {
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.55;
}

.summary {
  min-height: 7rem;
  padding: 1rem;
  border-radius: 18px;
  background: rgba(5, 12, 21, 0.44);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: grid;
  gap: 0.7rem;
}

.summary.empty {
  color: var(--muted);
  place-items: center;
  text-align: center;
}

.route-showcase {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.route-panel {
  padding: 1rem;
  border-radius: 18px;
  background: rgba(5, 12, 21, 0.44);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.route-panel h3 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  letter-spacing: -0.03em;
}

.route-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.route-token {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 0.8rem;
  border-radius: 999px;
  background: rgba(124, 242, 201, 0.12);
  color: var(--text);
  border: 1px solid rgba(124, 242, 201, 0.18);
  font-size: 0.88rem;
}

.route-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  font-size: 0.78rem;
}

.route-arrow strong {
  color: var(--accent-2);
  font-size: 0.72rem;
}

.route-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
  margin-top: 0.9rem;
}

.alt-list {
  display: grid;
  gap: 0.8rem;
}

.alt-card {
  padding: 0.95rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.alt-head {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: center;
  margin-bottom: 0.55rem;
}

.alt-title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.24rem 0.5rem;
  border-radius: 999px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.tag.v2 {
  background: rgba(255, 202, 113, 0.14);
  color: var(--accent-2);
}

.tag.v3 {
  background: rgba(124, 242, 201, 0.14);
  color: var(--accent);
}

.tag.route {
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
}

.planner-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.7rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.summary-item {
  padding: 0.8rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
}

.summary-item span {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.summary-item strong {
  font-size: 0.92rem;
  line-height: 1.45;
  word-break: break-word;
}

.code-block {
  min-height: 16rem;
  margin: 1rem 0 0;
  padding: 1rem;
  border-radius: 18px;
  background: #04101b;
  color: #b7d2ee;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.wallet-log {
  margin-top: 1rem;
  padding: 0.95rem 1rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.07);
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  line-height: 1.5;
  word-break: break-word;
}

.wallet-log.warn {
  background: rgba(255, 202, 113, 0.14);
  color: var(--accent-2);
}

.wallet-log.error {
  background: rgba(255, 143, 125, 0.12);
  color: var(--danger);
}

.notes {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  line-height: 1.7;
}

@media (max-width: 920px) {
  .hero,
  .grid,
  .wallet-grid,
  .form-grid,
  .summary-grid,
  .route-metrics,
  .planner-grid {
    grid-template-columns: 1fr;
  }

  .wallet-meta {
    grid-template-columns: 1fr;
  }

  .wallet-actions,
  .tx-actions {
    flex-direction: column;
  }

  .toggle {
    padding-top: 0;
  }
}