@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: #0b0d10;
  --surface: #14171d;
  --surface-alt: #1c212a;
  --surface-border: #29303d;
  --text: #f0f3f6;
  --text-muted: #8b949e;
  --lime: #ccff00;
  --lime-dim: rgba(204, 255, 0, 0.12);
  --lime-glow: rgba(204, 255, 0, 0.28);
  --blue-read: #58a6ff;
  --blue-bg: rgba(88, 166, 255, 0.12);
  --orange-write: #f0883e;
  --orange-bg: rgba(240, 136, 62, 0.12);
  --radius: 10px;
  --radius-lg: 14px;
}

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

body {
  font-family: 'Geist', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.monospace {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* Header */
.header {
  border-bottom: 1px solid var(--surface-border);
  background: rgba(11, 13, 16, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand-bar {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.lens-logo {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
}

.badge {
  background: var(--lime);
  color: #000;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.version-tag {
  color: var(--text-muted);
  font-size: 0.8rem;
  background: var(--surface-alt);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-family: monospace;
}

.nav-links {
  display: flex;
  gap: 1.25rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.15s ease;
}

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  flex: 1;
}

/* Hero */
.hero-card {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 2rem;
  background: linear-gradient(135deg, var(--surface) 0%, rgba(20, 23, 29, 0.7) 100%);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.6rem;
  color: #ffffff;
}

.hero-content .lede {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.2rem;
}

.hero-content code {
  background: var(--surface-alt);
  color: var(--lime);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
}

.security-banner {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  background: rgba(204, 255, 0, 0.05);
  border: 1px solid rgba(204, 255, 0, 0.2);
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: #e2e8f0;
}

.hero-image-wrap {
  display: flex;
  justify-content: center;
}

.hero-img {
  width: 100%;
  max-width: 260px;
  border-radius: var(--radius);
  border: 1px solid var(--surface-border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  aspect-ratio: 1/1;
  object-fit: cover;
}

/* Search Panel */
.search-panel {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.input-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.input-group {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.input-group input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--surface-border);
  color: #fff;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: monospace;
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.2s;
}

.input-group input:focus {
  border-color: var(--lime);
  box-shadow: 0 0 0 2px var(--lime-dim);
}

.btn-primary {
  background: var(--lime);
  color: #0b0d10;
  border: none;
  padding: 0 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 0.1s, background-color 0.15s;
}

.btn-primary:hover {
  background: #d8ff33;
}

.btn-primary:active {
  transform: scale(0.98);
}

.presets-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.preset-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.preset-chip {
  background: var(--surface-alt);
  border: 1px solid var(--surface-border);
  color: var(--text);
  font-size: 0.8rem;
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.preset-chip:hover {
  border-color: var(--lime);
  color: var(--lime);
}

.preset-chip.active {
  background: var(--lime-dim);
  border-color: var(--lime);
  color: var(--lime);
}

/* Meta Card */
.meta-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1rem;
}

.meta-item .meta-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin-bottom: 0.25rem;
}

.meta-item .meta-val {
  font-size: 0.95rem;
  font-weight: 500;
  word-break: break-all;
}

.meta-item a {
  color: var(--lime);
  text-decoration: none;
}

.meta-item a:hover {
  text-decoration: underline;
}

.meta-footer {
  border-top: 1px solid var(--surface-border);
  padding-top: 0.85rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.status-indicator.live {
  color: #56d364;
  font-weight: 600;
}

.network-badge {
  background: var(--surface-alt);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

/* Tabs */
.lens-view-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.caps-filter {
  display: flex;
  gap: 0.5rem;
}

.filter-tab {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  color: var(--text-muted);
  padding: 0.45rem 1rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.filter-tab:hover {
  color: var(--text);
  border-color: #3b4455;
}

.filter-tab.active {
  background: var(--surface-alt);
  border-color: var(--lime);
  color: #fff;
}

.quick-notice {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.25rem;
}

.fn-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, transform 0.15s;
}

.fn-card:hover {
  border-color: #3e4a5e;
  transform: translateY(-2px);
}

.fn-card.type-read {
  border-top: 3px solid var(--blue-read);
}

.fn-card.type-write {
  border-top: 3px solid var(--orange-write);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.fn-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: #ffffff;
  font-family: monospace;
}

.type-pill {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.pill-read {
  background: var(--blue-bg);
  color: var(--blue-read);
  border: 1px solid rgba(88, 166, 255, 0.3);
}

.pill-write {
  background: var(--orange-bg);
  color: var(--orange-write);
  border: 1px solid rgba(240, 136, 62, 0.3);
}

.sig-block {
  background: var(--bg);
  padding: 0.6rem 0.75rem;
  border-radius: 6px;
  font-size: 0.82rem;
  color: #79c0ff;
  border: 1px solid #1f2530;
  margin-bottom: 0.85rem;
  word-break: break-all;
}

.inputs-list {
  margin-bottom: 0.85rem;
  font-size: 0.8rem;
}

.inputs-list-title {
  color: var(--text-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
  letter-spacing: 0.03em;
}

.param-item {
  display: flex;
  justify-content: space-between;
  padding: 0.2rem 0;
  border-bottom: 1px dashed #222936;
}

.param-name {
  color: #e6edf3;
  font-family: monospace;
}

.param-type {
  color: var(--lime);
  font-family: monospace;
}

.empty-params {
  color: var(--text-muted);
  font-style: italic;
}

.safety-note {
  font-size: 0.75rem;
  padding: 0.5rem 0.65rem;
  border-radius: 6px;
  margin-bottom: 0.85rem;
  line-height: 1.4;
}

.safety-note.read {
  background: rgba(88, 166, 255, 0.08);
  color: #a5d6ff;
  border-left: 3px solid var(--blue-read);
}

.safety-note.write {
  background: rgba(240, 136, 62, 0.08);
  color: #ffc69b;
  border-left: 3px solid var(--orange-write);
}

.payload-preview {
  margin-top: auto;
  position: relative;
}

.payload-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.35rem;
}

.payload-title {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.btn-copy {
  background: var(--surface-alt);
  border: 1px solid var(--surface-border);
  color: var(--text);
  font-size: 0.72rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

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

.code-wrap {
  background: #090a0d;
  border: 1px solid #1a1e27;
  padding: 0.65rem;
  border-radius: 6px;
  font-size: 0.75rem;
  color: #c9d1d9;
  max-height: 140px;
  overflow-y: auto;
  font-family: monospace;
  white-space: pre;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--lime);
  color: #000;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.5);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.25s ease-out;
  z-index: 1000;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Footer */
.footer {
  border-top: 1px solid var(--surface-border);
  background: var(--surface);
  padding: 2rem 1.5rem;
  margin-top: 4rem;
}

.footer-wrap {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-wrap .subtle {
  font-size: 0.78rem;
  margin: 0.4rem 0 1rem;
  color: #6e7681;
}

.footer-links a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.82rem;
}

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

@media (max-width: 800px) {
  .hero-card {
    grid-template-columns: 1fr;
  }
  .hero-image-wrap {
    display: none;
  }
  .cards-grid {
    grid-template-columns: 1fr;
  }
}