:root {
  --bg: #f1f5f9;
  --sidebar: #0f172a;
  --sidebar-text: #94a3b8;
  --sidebar-active: #ffffff;
  --card: #ffffff;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --success: #16a34a;
  --danger: #dc2626;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --radius: 14px;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a { color: var(--primary); text-decoration: none; }

.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 260px;
  background: var(--sidebar);
  color: var(--sidebar-text);
  padding: 24px 16px;
  flex-shrink: 0;
}

.sidebar .brand {
  color: #fff;
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.sidebar .brand span { color: #38bdf8; }

.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 10px;
  color: var(--sidebar-text);
  margin-bottom: 4px;
  font-weight: 500;
}

.sidebar nav a:hover, .sidebar nav a.active {
  background: rgba(255,255,255,0.08);
  color: var(--sidebar-active);
}

.main { flex: 1; padding: 28px 32px; overflow-x: auto; }

.page-title { font-size: 1.75rem; font-weight: 800; margin: 0 0 6px; }
.page-sub { color: var(--muted); margin-bottom: 24px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

@media (max-width: 900px) {
  .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .layout { flex-direction: column; }
  .sidebar { width: 100%; }
}

.metric {
  background: linear-gradient(135deg, #eff6ff, #fff);
  border: 1px solid #dbeafe;
  border-radius: var(--radius);
  padding: 20px;
}

.metric .label { color: var(--muted); font-size: 0.9rem; }
.metric .value { font-size: 1.8rem; font-weight: 800; margin-top: 6px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: #e2e8f0; color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 0.85rem; }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 10px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.92rem; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font: inherit;
}

.flash { padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; }
.flash.success { background: #dcfce7; color: #166534; }
.flash.error { background: #fee2e2; color: #991b1b; }

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
}
.badge-pendiente { background: #fef9c3; color: #854d0e; }
.badge-completado { background: #dcfce7; color: #166534; }
.badge-cancelado { background: #fee2e2; color: #991b1b; }

.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a, #1e3a8a);
  padding: 20px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border-radius: 18px;
  padding: 32px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}

.auth-card h1 { margin: 0 0 8px; font-size: 1.6rem; }
.auth-card p { color: var(--muted); margin-top: 0; }

.qr-box { text-align: center; }
.qr-box img { max-width: 280px; border-radius: 12px; border: 1px solid var(--border); }

.paid-banner {
  background: linear-gradient(135deg, #16a34a, #22c55e);
  color: #fff;
  text-align: center;
  padding: 18px;
  border-radius: 12px;
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 16px;
  display: none;
}

.api-key-box {
  background: #0f172a;
  color: #e2e8f0;
  padding: 14px;
  border-radius: 10px;
  font-family: "JetBrains Mono", monospace;
  word-break: break-all;
  font-size: 0.9rem;
}

.filters { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-bottom: 16px; }
@media (max-width: 900px) { .filters { grid-template-columns: 1fr; } }

.hp-field {
  display: none !important;
}

.welcome-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  background: linear-gradient(145deg, #0f172a 0%, #1e3a8a 50%, #0f172a 100%);
}

.welcome-inner {
  max-width: 640px;
  text-align: center;
  color: #fff;
}

.welcome-badge {
  display: inline-block;
  margin: 0 0 16px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

.welcome-inner h1 {
  margin: 0 0 16px;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.15;
}

.welcome-lead {
  margin: 0 0 24px;
  color: #cbd5e1;
  font-size: 1.05rem;
  line-height: 1.6;
}

.welcome-features {
  list-style: none;
  padding: 0;
  margin: 0 0 32px;
  text-align: left;
  display: inline-block;
}

.welcome-features li {
  padding: 8px 0 8px 28px;
  position: relative;
  color: #e2e8f0;
}

.welcome-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #38bdf8;
  font-weight: 800;
}

.welcome-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}

.welcome-api {
  margin: 0;
  font-size: 0.85rem;
  color: #94a3b8;
}

.welcome-api code {
  background: rgba(255, 255, 255, 0.08);
  padding: 4px 10px;
  border-radius: 8px;
  color: #e2e8f0;
  word-break: break-all;
}