:root {
  --bg: #0f172a;
  --panel: rgba(15, 23, 42, 0.7);
  --card: #111c3a;
  --text: #f8fafc;
  --accent: #f472b6;
  --accent-2: #38bdf8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: radial-gradient(circle at top, rgba(56, 189, 248, 0.35), transparent 35%),
    radial-gradient(circle at 20% 20%, rgba(244, 114, 182, 0.4), transparent 30%),
    var(--bg);
  color: var(--text);
  padding: 32px 16px 48px;
}

#app {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(260px, 360px) minmax(0, 1fr);
  align-items: start;
}

.panel {
  background: var(--panel);
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 20px 60px rgba(8, 47, 73, 0.35);
  backdrop-filter: blur(8px);
}

.panel h2,
.panel h3 {
  margin-top: 0;
}

.login-card {
  max-width: 420px;
  margin: 80px auto;
  text-align: center;
}

input,
textarea,
button,
select {
  font: inherit;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.input-group label {
  font-size: 0.9rem;
  color: rgba(248, 250, 252, 0.8);
}

.input-group input,
textarea {
  border: 1px solid rgba(148, 163, 184, 0.4);
  border-radius: 12px;
  padding: 12px;
  background: rgba(15, 23, 42, 0.45);
  color: var(--text);
}

textarea {
  min-height: 420px;
  resize: vertical;
  font-family: 'JetBrains Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

button {
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--bg);
}

button.ghost {
  background: transparent;
  border: 1px solid rgba(248, 250, 252, 0.3);
  color: var(--text);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.pages-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-item {
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 16px;
  padding: 16px;
  background: rgba(15, 23, 42, 0.5);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-item.active {
  border-color: var(--accent-2);
  background: rgba(14, 165, 233, 0.18);
}

.page-item small {
  color: rgba(226, 232, 240, 0.7);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(248, 250, 252, 0.2);
}

.editor-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.panel.editor-panel {
  min-height: 520px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.panel.editor-panel textarea {
  flex: 1;
  min-height: 340px;
}

.panel.editor-panel .editor-actions {
  margin-bottom: 0;
  justify-content: flex-start;
}

.editor-actions .spacer {
  flex: 1;
}

.alert {
  padding: 12px 16px;
  border-radius: 12px;
  margin-top: 12px;
  font-size: 0.9rem;
}

.alert.success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.alert.error {
  background: rgba(248, 113, 113, 0.15);
  border: 1px solid rgba(248, 113, 113, 0.4);
}

@media (max-width: 1024px) {
  #app {
    grid-template-columns: 1fr;
  }

  .panel.editor-panel {
    min-height: auto;
  }
}