:root {
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --badge-bg: #fef3c7;
  --badge-text: #92400e;
  --success-bg: #dcfce7;
  --success-border: #86efac;
  --success-text: #166534;
  --error-bg: #fee2e2;
  --error-border: #fca5a5;
  --error-text: #991b1b;
  --radius: 8px;
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.5;
  padding: 1.5rem 1rem 3rem;
}

.container {
  max-width: 680px;
  margin: 0 auto;
}

.header {
  margin-bottom: 2rem;
}

.badge {
  display: inline-block;
  background-color: var(--badge-bg);
  color: var(--badge-text);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
}

h1 {
  font-size: 1.875rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.status-box {
  padding: 0.75rem 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.status-box.success {
  background-color: var(--success-bg);
  border: 1px solid var(--success-border);
  color: var(--success-text);
}

.status-box.error {
  background-color: var(--error-bg);
  border: 1px solid var(--error-border);
  color: var(--error-text);
}

.field {
  margin-bottom: 1rem;
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

input[type="text"],
textarea {
  width: 100%;
  padding: 0.625rem 0.75rem;
  font-family: inherit;
  font-size: 0.95rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: #fff;
  color: var(--text-main);
}

input[type="text"]:focus,
textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: -1px;
}

.actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.btn {
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.625rem 1.25rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.btn.primary {
  background-color: var(--primary);
  color: #ffffff;
}

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

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

.btn.secondary:hover:not(:disabled) {
  background-color: #f1f5f9;
  color: var(--text-main);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.list-header h2 {
  margin-bottom: 0;
}

.pill {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  background-color: #f1f5f9;
  padding: 0.25rem 0.6rem;
  border-radius: 9999px;
}

.entries-list {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.entry-card {
  padding: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: #fafbfc;
}

.entry-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.375rem;
}

.entry-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-main);
}

.entry-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.entry-content {
  font-size: 0.9rem;
  color: #334155;
  white-space: pre-wrap;
  word-break: break-word;
}

.empty-state {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer {
  text-align: center;
  color: var(--text-muted);
}