:root {
  --color-primary: #2b2b7a;
  --color-bg: #f4f4f8;
  --color-card: #ffffff;
  --color-text: #333333;
  --color-muted: #6b7280;
  --color-danger: #c0392b;
  --color-success: #1f8a4c;
  --color-border: #d8d8e6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
}

.container {
  max-width: 640px;
  margin: 40px auto;
  background-color: var(--color-card);
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

header {
  background-color: var(--color-primary);
  color: white;
  text-align: center;
  padding: 28px 24px;
}

header h1 {
  margin: 0 0 6px;
}

.subtitle {
  margin: 0;
  opacity: 0.9;
  font-size: 14px;
}

main {
  padding: 24px 28px;
}

.panel {
  margin-bottom: 28px;
}

.panel:last-child {
  margin-bottom: 0;
}

.panel h2 {
  font-size: 18px;
  margin: 0 0 14px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.panel-header h2 {
  margin: 0;
}

.field {
  margin-bottom: 14px;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: bold;
  color: var(--color-muted);
  margin-bottom: 4px;
}

.field input[type="text"],
.field textarea {
  width: 100%;
  padding: 9px 10px;
  font-size: 14px;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  resize: vertical;
}

.field input.invalid,
.field textarea.invalid {
  border-color: var(--color-danger);
}

.field-error {
  min-height: 1.2em;
  margin: 4px 0 0;
  font-size: 12.5px;
  color: var(--color-danger);
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.form-status {
  font-size: 13px;
  color: var(--color-muted);
}

.form-status.success {
  color: var(--color-success);
}

.form-status.error {
  color: var(--color-danger);
}

button {
  padding: 9px 18px;
  background-color: var(--color-primary);
  color: white;
  border: none;
  border-radius: 6px;
  font-weight: bold;
  font-size: 13px;
  cursor: pointer;
}

button:disabled {
  background-color: #ccc;
  cursor: not-allowed;
}

.list-status {
  font-size: 14px;
  color: var(--color-muted);
}

.story-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.story-card {
  background-color: var(--color-bg);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 10px;
}

.story-title {
  margin: 0 0 6px;
  font-size: 16px;
}

.story-content {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.5;
}

.story-actions {
  display: flex;
  gap: 8px;
}

.story-actions button {
  padding: 6px 14px;
  font-size: 12.5px;
}

.edit-btn {
  background-color: #1c7293;
}

.delete-btn {
  background-color: var(--color-danger);
}

.cancel-btn {
  background-color: #8a939b;
}

.save-btn {
  background-color: var(--color-success);
}

.story-edit .field {
  margin-bottom: 10px;
}

.empty-state {
  text-align: center;
  padding: 24px;
  color: var(--color-muted);
  font-size: 14px;
}

footer {
  text-align: center;
  padding: 16px;
  font-size: 13px;
  color: #777;
  border-top: 1px solid var(--color-bg);
}