@font-face {
  font-family: 'Geist';
  src: url('https://musechain.io/fonts/geist/geist-latin-wght-normal.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg-dark: #0a0c0e;
  --bg-card: #121519;
  --bg-card-sub: #171b21;
  --border-color: #242a33;
  --border-highlight: #343d4b;
  --text-main: #f0f3f6;
  --text-muted: #8b949e;
  --text-dim: #5d6773;
  --lime: #ccff00;
  --lime-glow: rgba(204, 255, 0, 0.15);
  --lime-soft: rgba(204, 255, 0, 0.08);
  --blue-soft: rgba(56, 189, 248, 0.12);
  --blue-text: #38bdf8;
  --purple-soft: rgba(168, 85, 247, 0.12);
  --purple-text: #c084fc;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: 'Geist', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Topbar */
.topbar {
  border-bottom: 1px solid var(--border-color);
  background: rgba(10, 12, 14, 0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lens-dot {
  width: 10px;
  height: 10px;
  background-color: var(--lime);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--lime);
  display: inline-block;
}

.brand-title {
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.1rem;
}

.badge-tag {
  font-size: 0.75rem;
  background: var(--lime-soft);
  color: var(--lime);
  border: 1px solid rgba(204, 255, 0, 0.3);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-weight: 500;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.9rem;
}

.nav-link {
  color: var(--text-muted);
  transition: color 0.15s ease;
}

.nav-link:hover {
  color: var(--lime);
}

/* Page Shell */
.page-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

/* Hero Section */
.hero-section {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: center;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.meta-breadcrumb {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--lime);
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.hero-heading {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.code-pill {
  background: var(--bg-card);
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  font-size: 0.9em;
  color: var(--text-main);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.security-banner {
  background: var(--bg-card);
  border-left: 3px solid var(--lime);
  border-radius: 0 6px 6px 0;
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.security-banner strong {
  color: var(--text-main);
}

.shield-icon {
  color: var(--lime);
  font-size: 1.4rem;
  line-height: 1;
}

.hero-image-box {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.hero-cover {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.hero-cover:hover {
  transform: scale(1.02);
}

/* Contract Card Panel */
.contract-card-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.75rem;
  margin-bottom: 2.5rem;
  position: relative;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.header-title-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-bottom: 0.6rem;
}

.contract-name {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.status-pill.verified {
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.3);
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  font-weight: 600;
}

.compiler-pill {
  background: var(--bg-card-sub);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, monospace;
}

.contract-address-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}

.mono-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 600;
}

.address-text {
  font-family: ui-monospace, SFMono-Regular, monospace;
  font-size: 0.95rem;
  color: var(--lime);
  background: rgba(0,0,0,0.3);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.copy-btn {
  background: var(--bg-card-sub);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.copy-btn:hover {
  background: var(--lime);
  color: #000;
  border-color: var(--lime);
}

.contract-note {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-style: italic;
}

.quick-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.ext-btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0.85rem;
  background: var(--bg-card-sub);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--text-main);
  transition: all 0.15s ease;
}

.ext-btn:hover {
  border-color: var(--lime);
  color: var(--lime);
  transform: translateX(2px);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  padding-top: 1.25rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 600;
}

.stat-value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-main);
}

.mono-compact {
  font-family: ui-monospace, SFMono-Regular, monospace;
}

/* Columns Grid */
.sections-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.functions-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.col-header {
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.read-header {
  border-bottom-color: var(--blue-text);
}

.call-header {
  border-bottom-color: var(--lime);
}

.col-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.indicator-chip {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  letter-spacing: 0.05em;
}

.read-chip {
  background: var(--blue-soft);
  color: var(--blue-text);
}

.call-chip {
  background: var(--lime-soft);
  color: var(--lime);
}

.col-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

.pill-count {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.section-lead {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Function Cards */
.func-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.25rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.func-card:hover {
  border-color: var(--border-highlight);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
}

.func-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.func-signature {
  font-family: ui-monospace, SFMono-Regular, monospace;
  font-size: 0.95rem;
  word-break: break-word;
}

.func-name {
  color: #fff;
  font-weight: 700;
}

.func-params {
  color: var(--text-muted);
}

.arg-type {
  color: var(--blue-text);
}

.state-card .arg-type {
  color: var(--lime);
}

.type-tag {
  font-size: 0.7rem;
  font-family: ui-monospace, SFMono-Regular, monospace;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-weight: 600;
}

.type-tag.view {
  background: var(--blue-soft);
  color: var(--blue-text);
}

.type-tag.nonpayable {
  background: var(--lime-soft);
  color: var(--lime);
}

.func-doc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.types-flow {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  background: var(--bg-card-sub);
  padding: 0.75rem;
  border-radius: 6px;
  font-size: 0.8rem;
  margin-bottom: 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.03);
}

.flow-step {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.type-badge-label {
  color: var(--text-dim);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.7rem;
  min-width: 60px;
}

.type-empty {
  color: var(--text-dim);
  font-style: italic;
}

.typed-val code {
  color: var(--text-main);
  font-family: ui-monospace, monospace;
}

.args-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.arg-item {
  background: rgba(0, 0, 0, 0.25);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}

/* JSON Payload Box */
.json-box {
  background: #060709;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
}

.json-header {
  background: #0d0f12;
  padding: 0.4rem 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border-color);
}

.copy-code-btn {
  background: var(--bg-card-sub);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.15s;
}

.copy-code-btn:hover {
  background: var(--lime);
  color: #000;
  border-color: var(--lime);
}

.json-box pre {
  padding: 0.75rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.8rem;
  color: #d1d5db;
  overflow-x: auto;
  line-height: 1.4;
}

/* Console Reference Box */
.live-console {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 3rem;
  overflow: hidden;
}

.console-header {
  background: var(--bg-card-sub);
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.dot-cluster {
  display: flex;
  gap: 0.35rem;
}

.c-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.c-dot.red { background: #ef4444; }
.c-dot.yellow { background: #f59e0b; }
.c-dot.green { background: #10b981; }

.console-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.console-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  padding: 1.25rem;
}

.console-column h4 {
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}

.console-column p {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.console-column pre {
  background: #060709;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.75rem;
  font-size: 0.78rem;
  font-family: ui-monospace, monospace;
  color: #9ca3af;
  overflow-x: auto;
}

/* Footer */
.footer-meta {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-left a {
  color: var(--lime);
  text-decoration: underline;
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-right a:hover {
  color: var(--lime);
}

/* Responsiveness */
@media (max-width: 860px) {
  .hero-section {
    grid-template-columns: 1fr;
  }
  .sections-grid {
    grid-template-columns: 1fr;
  }
  .console-body {
    grid-template-columns: 1fr;
  }
}