:root {
  --bg: #ffffff;
  --text: #111111;
  --accent: #333333;
  --border: #dddddd;
  --mono-font: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --ui-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--ui-font);
  display: flex;
  justify-content: center;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 800px;
  padding: 40px 20px;
  display: flex;
  flex-direction: column;
}

/* Header / Nav */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

h1 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.5px;
}

h1 a { text-decoration: none; color: inherit; }

/* The Toolbar (View Page) */
.toolbar {
  display: flex;
  gap: 15px;
  font-size: 0.9rem;
}

.action-link {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  font-family: inherit;
  font-size: inherit;
}

.action-link:hover { border-bottom-color: var(--text); }

/* Main Input Area */
.editor-wrap { flex: 1; display: flex; flex-direction: column; }

textarea, .content-display {
  width: 100%;
  flex: 1; /* Fill remaining space */
  min-height: 60vh;
  border: none;
  resize: none;
  outline: none;
  font-family: var(--mono-font);
  font-size: 14px;
  line-height: 1.6;
  background: transparent;
  color: var(--text);
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* Hidden input for copy functionality */
.hidden-link {
  position: absolute;
  left: -9999px;
  opacity: 0;
}

/* Footer / Submit Area */
.footer-actions {
  margin-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.btn-primary {
  background: var(--text);
  color: var(--bg);
  border: none;
  padding: 8px 24px;
  font-size: 0.9rem;
  cursor: pointer;
  border-radius: 2px;
  transition: opacity 0.2s;
}

.btn-primary:hover { opacity: 0.8; }

.meta {
  color: #999;
  font-size: 0.8rem;
}