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

:root {
  --bg: #0b0c0e;
  --bg-subtle: #121417;
  --card-bg: #16181d;
  --card-border: #262930;
  --card-hover: #2f343e;
  --lime: #ccff00;
  --lime-dim: rgba(204, 255, 0, 0.12);
  --lime-border: rgba(204, 255, 0, 0.35);
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  --status-green: #34d399;
  --status-amber: #fbbf24;
  --status-gray: #6b7280;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
}

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

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

a {
  color: var(--lime);
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
  width: 100%;
}

/* Top Nav */
.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background: rgba(11, 12, 14, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.brand-badge {
  background: var(--lime);
  color: #000;
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  padding: 3px 6px;
  border-radius: var(--radius-sm);
}

.brand-title {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.85rem;
}

.pill-btn {
  background: var(--lime-dim);
  border: 1px solid var(--lime-border);
  color: var(--lime) !important;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 500;
  text-decoration: none !important;
}

/* Hero */
.hero-card {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: 280px 1fr;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.hero-visual {
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-content {
  padding: 1.75rem;
}

.tag-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.tag {
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--bg-subtle);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
}

.tag-lime {
  background: var(--lime-dim);
  border-color: var(--lime-border);
  color: var(--lime);
  font-weight: 600;
}

h1 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  color: #fff;
}

.lead {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 1.25rem;
  max-width: 780px;
}

.hero-status {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.stat-pill {
  background: var(--bg);
  border: 1px solid var(--card-border);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-pill .k {
  font-size: 0.65rem;
  text-transform: uppercase;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

.stat-pill .v {
  font-size: 0.85rem;
  font-weight: 600;
  font-family: monospace;
}

/* Controls */
.controls-bar {
  margin-top: 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
}

select {
  background: var(--bg);
  color: var(--text-main);
  border: 1px solid var(--card-border);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  outline: none;
}

select:focus {
  border-color: var(--lime);
}

.legend-group {
  display: flex;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.dot-green { background: var(--status-green); }
.dot-amber { background: var(--status-amber); }
.dot-gray { background: var(--status-gray); }

.action-btn {
  background: var(--lime);
  color: #0b0c0e;
  border: none;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  transition: transform 0.1s, opacity 0.2s;
}

.action-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* Banner */
.banner {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

.banner.hidden { display: none; }
.banner.info {
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: #7dd3fc;
}
.banner.warning {
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.3);
  color: #fde68a;
}

/* Grid & Cards */
.receipts-grid {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.25rem;
}

.receipt-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.receipt-card:hover {
  border-color: var(--card-hover);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.receipt-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.85rem;
  border-bottom: 1px dashed var(--card-border);
  padding-bottom: 0.75rem;
}

.receipt-id-col {
  display: flex;
  flex-direction: column;
}

.receipt-kind {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.receipt-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

.receipt-seq {
  font-family: monospace;
  font-size: 0.78rem;
  color: var(--lime);
  background: var(--lime-dim);
  padding: 2px 6px;
  border-radius: 4px;
}

.data-table {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.82rem;
  margin-bottom: 1rem;
}

.data-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  align-items: baseline;
  gap: 0.5rem;
}

.data-k {
  color: var(--text-muted);
  font-size: 0.76rem;
  text-transform: capitalize;
}

.data-v {
  color: #e5e7eb;
  word-break: break-all;
  font-family: monospace;
}

.badge-verified {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--status-green);
  font-size: 0.75rem;
}

.badge-unavail {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--status-gray);
  font-size: 0.75rem;
  font-style: italic;
}

.badge-omitted {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--status-amber);
  font-size: 0.75rem;
}

.card-foot {
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px solid var(--card-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}

.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  border: 1px solid var(--card-border);
}

.link-btn:hover {
  background: var(--card-hover);
  text-decoration: none;
}

/* Skeletons */
.skeleton-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  height: 280px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  animation: pulse 1.5s infinite ease-in-out;
}

.sk-line {
  height: 16px;
  background: var(--card-border);
  border-radius: 4px;
}
.sk-title { width: 60%; height: 24px; }
.sk-btn { margin-top: auto; width: 40%; height: 28px; }

@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 0.3; }
}

/* Empty State */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 1rem;
  background: var(--card-bg);
  border: 1px dashed var(--card-border);
  border-radius: var(--radius-md);
}

.empty-state h3 {
  margin-bottom: 0.5rem;
  color: #fff;
}

.empty-state p {
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* Accordion */
.info-accordion {
  margin-top: 2rem;
  margin-bottom: 3rem;
}

details {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

summary {
  padding: 1rem 1.25rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  background: var(--bg-subtle);
}

summary::-webkit-details-marker {
  display: none;
}

.accordion-body {
  padding: 1.25rem;
  border-top: 1px solid var(--card-border);
  font-size: 0.88rem;
  color: var(--text-muted);
}

.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1rem;
}

.field-explainer h4 {
  color: #fff;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.field-explainer ul {
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

/* Footer */
.footer {
  margin-top: auto;
  border-top: 1px solid var(--card-border);
  background: var(--bg-subtle);
  padding: 1.5rem 0;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.foot-links {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

@media (max-width: 768px) {
  .hero-card {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    height: 180px;
  }
  .grid-2col {
    grid-template-columns: 1fr;
  }
  .controls-bar {
    flex-direction: column;
    align-items: flex-start;
  }
  .receipts-grid {
    grid-template-columns: 1fr;
  }
}