:root {
  --bg-color: #f9fafb;
  --card-bg: #ffffff;
  --text-main: #1f2937;
  --text-muted: #4b5563;
  --border-color: #e5e7eb;
  --focus-ring: #2563eb;
  --btn-primary-bg: #1f2937;
  --btn-primary-text: #ffffff;
  --btn-danger-bg: #dc2626;
  --btn-danger-text: #ffffff;
  --badge-published-bg: #dcfce7;
  --badge-published-text: #166534;
  --badge-revoked-bg: #fee2e2;
  --badge-revoked-text: #991b1b;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.5;
  padding: 24px;
}

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.skip-to-content {
  position: absolute;
  top: -40px;
  left: 16px;
  background: #ffffff;
  padding: 8px 16px;
  z-index: 100;
  border: 2px solid var(--focus-ring);
}
.skip-to-content:focus {
  top: 16px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
}

h1 {
  font-size: 1.25rem;
  font-weight: 600;
}

h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-main);
}

input[type="text"],
input[type="password"],
textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.875rem;
  color: var(--text-main);
  background: #ffffff;
}

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 0.15s ease;
}

.btn-primary {
  background-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
}
.btn-primary:hover:not(:disabled) {
  background-color: #374151;
}

.btn-danger {
  background-color: var(--btn-danger-bg);
  color: var(--btn-danger-text);
}
.btn-danger:hover:not(:disabled) {
  background-color: #b91c1c;
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--text-main);
  border: 1px solid var(--border-color);
}
.btn-secondary:hover:not(:disabled) {
  background-color: #f3f4f6;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.status-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}
.status-badge.published {
  background-color: var(--badge-published-bg);
  color: var(--badge-published-text);
}
.status-badge.revoked {
  background-color: var(--badge-revoked-bg);
  color: var(--badge-revoked-text);
}

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

th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  background-color: #f9fafb;
  font-weight: 600;
  white-space: nowrap;
}

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

.progress-bar-container {
  height: 8px;
  background: #e5e7eb;
  border-radius: 4px;
  overflow: hidden;
  margin: 12px 0;
}

.progress-bar-fill {
  height: 100%;
  background: var(--focus-ring);
  width: 0%;
  transition: width 0.2s ease;
}

.error-banner {
  padding: 10px 14px;
  background: var(--badge-revoked-bg);
  color: var(--badge-revoked-text);
  border-radius: 6px;
  font-size: 0.875rem;
  margin-bottom: 16px;
}