:root {
    --bg-page: #f8fafc;
    --bg-surface: #ffffff;
    --bg-subtle: #f1f5f9;
    --ink: #090d16;
    --ink-muted: #475569;
    --ink-soft: #64748b;
    --ink-faint: #94a3b8;
    --line: #e2e8f0;
    --line-strong: #cbd5e1;
    --accent: #bbf451;
    --accent-soft: rgba(187, 244, 81, 0.22);
    --emerald-bg: #ecfdf5;
    --emerald-text: #047857;
    --emerald-border: #a7f3d0;
    --amber-bg: #fffbeb;
    --amber-text: #b45309;
    --rose-bg: #fef2f2;
    --rose-text: #b91c1c;
    --radius-md: 12px;
    --radius-lg: 16px;
  }
  * { box-sizing: border-box; }
  body {
    margin: 0;
    background: var(--bg-page);
    color: var(--ink);
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    background-image: 
      radial-gradient(circle at 50% 0%, rgba(187, 244, 81, 0.12) 0%, transparent 50%),
      linear-gradient(to right, rgba(0,0,0,0.025) 1px, transparent 1px),
      linear-gradient(to bottom, rgba(0,0,0,0.025) 1px, transparent 1px);
    background-size: 100% 100%, 32px 32px, 32px 32px;
  }

  .topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
  }
  .topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    background: var(--bg-subtle);
    color: var(--ink-muted);
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid var(--line);
  }
  .status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.25);
    animation: pulse 2s infinite;
  }
  @keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 5px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
  }
  .topbar a.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--ink);
    text-decoration: none;
    font-weight: 600;
    font-size: 13px;
    padding: 6px 14px;
    border-radius: 8px;
    background: var(--bg-surface);
    border: 1px solid var(--line);
    transition: all 0.2s ease;
  }
  .topbar a.btn-back:hover {
    border-color: var(--ink);
    background: #f8fafc;
    transform: translateX(-2px);
  }

  .wrap {
    max-width: 1040px;
    margin: 0 auto;
    padding: 48px 20px 96px;
  }

  .header-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--ink-soft);
    background: var(--bg-surface);
    border: 1px solid var(--line);
    padding: 4px 10px;
    border-radius: 6px;
    margin-bottom: 16px;
  }
  h1 {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin: 0 0 16px;
    color: var(--ink);
  }
  h1 em {
    font-style: normal;
    background: linear-gradient(135deg, var(--ink), #334155);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .sub {
    color: var(--ink-muted);
    font-size: 1.05rem;
    max-width: 72ch;
    margin: 0 0 24px;
    line-height: 1.6;
  }

  .aviso {
    border: 1px solid #bae6fd;
    background: #f0f9ff;
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin: 24px 0 40px;
    font-size: 0.9rem;
    color: #0369a1;
    display: flex;
    gap: 12px;
    align-items: flex-start;
  }
  .aviso strong { color: #0284c7; }

  .totales {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin: 0 0 40px;
  }
  .tot {
    background: var(--bg-surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 20px 22px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
    transition: all 0.25s ease;
  }
  .tot:hover {
    border-color: var(--line-strong);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px -4px rgba(0,0,0,0.06);
  }
  .tot small {
    display: block;
    color: var(--ink-faint);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
  }
  .tot b {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.02em;
  }

  .factura {
    background: var(--bg-surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 28px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
    transition: all 0.25s ease;
  }
  .factura:hover {
    border-color: var(--line-strong);
    box-shadow: 0 10px 25px -4px rgba(15, 23, 42, 0.06);
  }
  .factura-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 18px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--line);
  }
  .factura h2 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.35rem;
    font-weight: 700;
    margin: 0;
    color: var(--ink);
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .factura .meta {
    color: var(--ink-soft);
    font-size: 13px;
    margin: 4px 0 0;
  }

  table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    margin-bottom: 18px;
  }
  th, td {
    text-align: left;
    padding: 10px 14px;
    border-bottom: 1px solid var(--line);
  }
  th {
    color: var(--ink-soft);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    width: 32%;
    background: #fafbfc;
  }
  td {
    color: var(--ink);
  }
  td.num {
    text-align: right;
    font-family: 'JetBrains Mono', monospace;
    font-variant-numeric: tabular-nums;
    font-weight: 600;
  }
  tr:last-child th, tr:last-child td {
    border-bottom: none;
  }

  .chip {
    display: inline-flex;
    align-items: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-left: 10px;
    vertical-align: middle;
  }
  .alta {
    background: var(--emerald-bg);
    color: var(--emerald-text);
    border: 1px solid var(--emerald-border);
  }
  .nada {
    background: var(--bg-subtle);
    color: var(--ink-soft);
    border: 1px solid var(--line);
  }

  .ok-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--emerald-bg);
    border: 1px solid var(--emerald-border);
    color: var(--emerald-text);
    font-size: 13px;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: 8px;
    margin-top: 14px;
  }

  details {
    margin-top: 16px;
    border-top: 1px dashed var(--line);
    padding-top: 14px;
  }
  summary {
    cursor: pointer;
    color: var(--ink-muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    outline: none;
    transition: color 0.15s ease;
  }
  summary:hover {
    color: var(--ink);
  }
  pre {
    background: #090d16;
    color: #cbd5e1;
    border: 1px solid #1e293b;
    border-radius: 10px;
    padding: 16px;
    overflow: auto;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    line-height: 1.5;
    max-height: 260px;
    margin-top: 10px;
  }

  .cta {
    margin-top: 56px;
    background: var(--bg-surface);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 40px 32px;
    text-align: center;
    box-shadow: 0 4px 20px -2px rgba(0,0,0,0.04);
  }
  .cta h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    margin: 0 0 10px;
  }
  .cta p {
    color: var(--ink-muted);
    margin: 0 auto 24px;
    max-width: 54ch;
  }
  .btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--ink);
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    padding: 14px 28px;
    border-radius: 999px;
    transition: all 0.2s ease;
  }
  .btn-cta:hover {
    background: #1e293b;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
  }

  .pie {
    text-align: center;
    color: var(--ink-faint);
    font-size: 12px;
    margin-top: 40px;
  }
  .pie code {
    font-family: 'JetBrains Mono', monospace;
    background: var(--bg-subtle);
    padding: 2px 6px;
    border-radius: 4px;
  }