:root {
  --bg: #14171c;
  --surface: #1c2028;
  --surface-hover: #232833;
  --border: #2c313c;
  --text: #e4e7ec;
  --text-dim: #8b93a1;
  --accent: #4f8cff;
  --success: #3ecf8e;
  --danger: #f0654a;
  --warning: #e8b339;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', 'Courier New', monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.topbar .brand {
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.topbar nav a {
  color: var(--text-dim);
  text-decoration: none;
  margin-left: 20px;
  font-size: 13px;
}

.topbar nav a:hover { color: var(--text); }

.topbar .session {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--text-dim);
}

.topbar form { margin: 0; }

.topbar button.link {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 13px;
  padding: 0;
  text-decoration: underline;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 24px;
}

h1 { font-size: 20px; font-weight: 600; margin: 0 0 4px; }
.subtitle { color: var(--text-dim); font-size: 13px; margin: 0 0 24px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 14px;
}

.payment-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.payment-row:last-child { border-bottom: none; }

.payment-row .meta { display: flex; flex-direction: column; gap: 2px; }
.payment-row .business { font-weight: 500; }
.payment-row .sub { color: var(--text-dim); font-size: 12px; font-family: var(--mono); }

.amount { font-family: var(--mono); font-size: 14px; text-align: right; }
.amount .usd { color: var(--text-dim); font-size: 12px; }

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.badge.pendiente { background: rgba(232, 179, 57, 0.15); color: var(--warning); }
.badge.confirmado, .badge.aprobado { background: rgba(62, 207, 142, 0.15); color: var(--success); }
.badge.rechazado { background: rgba(240, 101, 74, 0.15); color: var(--danger); }

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-dim);
}

.btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 6px;
  border: none;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  font-family: var(--font);
}
.btn-primary { background: var(--accent); color: white; }
.btn-success { background: var(--success); color: #0a1a12; }
.btn-danger { background: var(--danger); color: white; }
.btn-ghost { background: transparent; color: var(--text-dim); border: 1px solid var(--border); }
.btn:hover { filter: brightness(1.1); }

.detail-grid {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 10px 16px;
  font-size: 13px;
}
.detail-grid dt { color: var(--text-dim); }
.detail-grid dd { margin: 0; font-family: var(--mono); word-break: break-all; }

.actions { display: flex; gap: 10px; margin-top: 20px; }

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 32px;
  width: 320px;
}
.login-card h1 { text-align: center; margin-bottom: 24px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 6px; }
.field input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 14px;
}
.field input:focus { outline: none; border-color: var(--accent); }
.error-msg { color: var(--danger); font-size: 13px; margin-bottom: 14px; }
.success-msg { color: var(--success); font-size: 13px; margin-bottom: 14px; }
.login-card .btn { width: 100%; text-align: center; padding: 10px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--text-dim); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }