:root {
  --indigo: #4f46e5;
  --indigo-dark: #3730a3;
  --bg: #f5f6fb;
  --card: #ffffff;
  --text: #12172b;
  --muted: #64748b;
  --border: #e2e5f1;
  --error: #b91c1c;
  --error-bg: #fef2f2;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.wide-page {
  min-height: 100vh;
  padding: 2rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 1px 3px rgba(18, 23, 43, 0.06);
}

.wide-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(18, 23, 43, 0.06);
}

h1 {
  font-size: 1.4rem;
  margin: 0 0 0.5rem;
}

p.muted {
  color: var(--muted);
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

input {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
}

input:focus {
  outline: 2px solid var(--indigo);
  outline-offset: 1px;
}

button {
  background: var(--indigo);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 0.6rem 1.2rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  background: var(--indigo-dark);
}

button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

button.secondary:hover {
  background: var(--bg);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.row {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  margin-top: 0.5rem;
}

.error-banner {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid #fecaca;
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.success-box {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  border-radius: 8px;
  padding: 1rem;
}

.license-key {
  font-family: monospace;
  font-size: 0.75rem;
  word-break: break-all;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.6rem;
  margin: 0.6rem 0;
  max-height: 120px;
  overflow-y: auto;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.table-scroll {
  overflow-x: auto;
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 10;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

th, td {
  text-align: left;
  padding: 0.55rem 0.6rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.key-cell {
  max-width: 220px;
}

.key-cell code {
  display: block;
  font-size: 0.7rem;
  word-break: break-all;
  max-height: 3.2em;
  overflow: hidden;
}

.link-btn {
  background: none;
  border: none;
  color: var(--indigo);
  padding: 0;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
}

[hidden] {
  display: none !important;
}