* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Verdana, sans-serif;
  background: #111;
  color: #f5f5f5;
}

a {
  color: #4ea1ff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.editor-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.editor-header {
  padding: 12px 20px;
  background: #181818;
  border-bottom: 1px solid #333;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.editor-header h1 {
  font-size: 18px;
  margin: 0;
}

.editor-header nav a {
  margin-left: 12px;
  font-size: 14px;
}

.editor-main {
  flex: 1;
  padding: 20px;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto 40px auto;
}

.card {
  background: #1b1b1b;
  border: 1px solid #333;
  border-radius: 6px;
  padding: 16px 18px;
  margin-bottom: 20px;
}

.card h2 {
  font-size: 16px;
  margin: 0 0 10px 0;
}

.card p {
  font-size: 14px;
  margin: 4px 0;
}

label {
  display: block;
  font-size: 13px;
  margin: 8px 0 4px 0;
}

input[type="text"],
input[type="password"],
textarea,
select {
  width: 100%;
  font: inherit;
  padding: 6px 8px;
  border-radius: 4px;
  border: 1px solid #444;
  background: #121212;
  color: #f5f5f5;
}

input[type="file"] {
  font-size: 13px;
}

textarea {
  min-height: 260px;
  resize: vertical;
  line-height: 1.4;
}

button {
  font: inherit;
  padding: 6px 12px;
  border-radius: 4px;
  border: 1px solid #4ea1ff;
  background: #4ea1ff;
  color: #071019;
  cursor: pointer;
  margin-right: 6px;
  margin-top: 8px;
}

button.secondary {
  border-color: #555;
  background: #252525;
  color: #eee;
}

button:disabled {
  opacity: 0.6;
  cursor: default;
}

.radio-row {
  display: flex;
  gap: 14px;
  margin-top: 4px;
}

.radio-row label {
  display: flex;
  align-items: center;
  margin: 0;
  font-size: 13px;
}

.radio-row input {
  margin-right: 4px;
}

.message {
  font-size: 13px;
  min-height: 18px;
  margin: 4px 0 8px 0;
}

.message.error {
  color: #ff6473;
}

.message.ok {
  color: #6de38a;
}

.page-list {
  list-style: none;
  padding-left: 0;
  margin: 6px 0 0 0;
}

.page-list li {
  font-size: 14px;
  margin: 2px 0;
}

.page-list small {
  color: #aaa;
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 16px;
}

.split-narrow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 900px) {
  .split,
  .split-narrow {
    grid-template-columns: 1fr;
  }
  .split[style*="grid-template-columns: 200px"] {
    grid-template-columns: 1fr !important;
  }
}

.preview-frame {
  width: 100%;
  min-height: 260px;
  border-radius: 4px;
  border: 1px solid #444;
  background: #000;
}

.muted {
  color: #aaa;
  font-size: 12px;
}

.tag {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 3px;
  background: #272727;
  font-size: 11px;
  margin-left: 6px;
}

.file-browser {
  background: #151515;
  border: 1px solid #333;
  border-radius: 6px;
  padding: 10px;
}

.file-browser h3 {
  font-size: 13px;
  margin: 0 0 8px 0;
}

.file-browser ul {
  list-style: none;
  padding: 0;
  margin: 0 0 10px 0;
  max-height: 300px;
  overflow-y: auto;
}

.file-browser li {
  font-size: 12px;
  padding: 4px 6px;
  cursor: pointer;
  border-radius: 4px;
  word-break: break-all;
}

.file-browser li:hover {
  background: #252525;
}

.file-browser li.active {
  background: #2a3a4a;
}

.file-browser-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.file-browser-actions button {
  font-size: 11px;
  padding: 4px 8px;
}