* { box-sizing: border-box; }

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top left, #eff6ff, #020617 75%);
  color: #e2e8f0;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
}

h1 {
  font-size: 1.6rem;
  margin: 0 0 1rem 0;
}

a {
  color: #6366f1;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.btn {
  display: inline-block;
  padding: 0.6rem 1.15rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease, color 0.12s ease;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.25);
}

.btn-primary {
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  color: white;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #4f46e5, #4338ca);
  transform: translateY(-1px);
  box-shadow: 0 12px 25px rgba(15, 23, 42, 0.35);
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444, #b91c1c);
  color: white;
}

.btn-secondary {
  background: rgba(15, 23, 42, 0.6);
  color: #e2e8f0;
}

.btn-secondary:hover,
.btn-danger:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.35);
}

input,
select,
textarea {
  width: 100%;
  padding: 0.55rem 0.8rem;
  border: 1px solid #1f2933;
  border-radius: 0.6rem;
  font-size: 0.875rem;
  margin-bottom: 0.6rem;
  background: rgba(15, 23, 42, 0.9);
  color: #e5e7eb;
  outline: none;
  transition: border-color 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}

input::placeholder,
textarea::placeholder {
  color: #6b7280;
}

input:focus,
select:focus,
textarea:focus {
  border-color: #6366f1;
  box-shadow: 0 0 0 1px rgba(99, 102, 241, 0.5);
}

label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: #9ca3af;
  margin-bottom: 0.25rem;
}

.card {
  background: radial-gradient(circle at top left, #0b1220, #020617);
  border-radius: 1.1rem;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.65);
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(148, 163, 184, 0.18);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th,
td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

th {
  background: rgba(15, 23, 42, 0.8);
  font-weight: 600;
  color: #e5e7eb;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-trial { background: #fef3c7; color: #92400e; }
.badge-active { background: #d1fae5; color: #065f46; }
.badge-paused { background: #e2e8f0; color: #475569; }
.badge-cancelled { background: #fecaca; color: #991b1b; }
.badge-expired { background: #fef2f2; color: #b91c1c; margin-left: 0.25rem; }
.nav { display: flex; gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap; }
.error { color: #fca5a5; font-size: 0.875rem; margin-top: 0.5rem; }
.hidden { display: none !important; }