:root {
  --bg: #f7f7f9;
  --card-bg: #ffffff;
  --accent: #ff5a5f;
  --text-main: #222;
  --text-muted: #666;
  --border-radius: 10px;
  --shadow: 0 4px 10px rgba(0, 0, 0, 0.06);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background: var(--bg);
  color: var(--text-main);
}

header {
  padding: 1rem 2rem;
  background: #fff;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

h1 {
  margin: 0;
  font-size: 1.5rem;
}

main {
  padding: 1rem 2rem 3rem;
}

.theme-users {
  --accent-local: #4f46e5;
}

.theme-need {
  --accent-local: #ec4899;
}

.theme-experience {
  --accent-local: #10b981;
}

.theme-interaction {
  --accent-local: #f59e0b;
}

.theme-tech {
  --accent-local: #06b6d4;
}

.stepper {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.step {
  padding: 0.4rem 0.8rem;
  border-radius: var(--border-radius);
  background: #eaeaea;
  font-size: 0.9rem;
  cursor: pointer;
  border: 1px solid transparent;
}

.step.active {
  background: var(--accent-local, var(--accent));
  color: #fff;
}

.step.completed {
  border-color: var(--accent-local, var(--accent));
}

.wizard {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.card-item {
  background: var(--card-bg);
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  padding: 1rem;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.1s ease;
  position: relative;
}

.card-item:hover {
  transform: translateY(-2px);
}

.card-item.selected {
  border-color: var(--accent-local, var(--accent));
  box-shadow: 0 0 0 2px var(--accent-local, var(--accent));
}

.card-item .icon {
  font-size: 1.3rem;
  color: var(--accent-local, var(--accent));
  margin-right: 0.5rem;
}

.card-item h3 {
  margin: 0 0 0.3rem;
  font-size: 1rem;
  display: flex;
  align-items: center;
}

.card-item p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.3;
}

.actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

.actions button {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 0.9rem;
}

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

.btn-category {
  background: var(--accent-local, var(--accent));
  color: #fff;
}

.btn-secondary {
  background: #eaeaea;
  color: var(--text-main);
}

.note-area {
  width: 100%;
  min-height: 80px;
  padding: 0.5rem;
  border-radius: var(--border-radius);
  border: 1px solid #ccc;
  font-family: inherit;
  font-size: 0.9rem;
}

.markdown-output {
  background: #f0f0f2;
  border-radius: var(--border-radius);
  padding: 1rem;
  white-space: pre-wrap;
  overflow: auto;
  font-family: monospace;
  font-size: 0.85rem;
}

.lang-toggle {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin: 0 0 1rem;
}

.toggle-text {
  font-size: 0.95rem;
  color: var(--text-main);
}

.toggle-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-switch .slider {
  position: relative;
  width: 54px;
  height: 28px;
  background: #ddd;
  border-radius: 999px;
  transition: background 0.2s ease;
  display: inline-block;
}

.toggle-switch .slider::before {
  content: '';
  position: absolute;
  height: 22px;
  width: 22px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s ease;
}

.toggle-switch input:checked + .slider {
  background: var(--accent);
}

.toggle-switch input:checked + .slider::before {
  transform: translateX(26px);
}

.toggle-labels {
  display: inline-flex;
  gap: 0.5rem;
  margin-left: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}