* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #4b0082;
  --color-primary-hover: #6a0dad;
  --color-accent: #aef359;

  --color-text-primary: #000000;
  --color-text-secondary: #4b4b4b;

  --color-background: #ffffff;
  --color-surface: #f5f5f5;
  --color-border: #757575;

  --font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  --font-size-base: 16px;
  --font-size-small: 0.875rem;
  --font-size-large: 1.25rem;

  --font-weight-regular: 400;
  --font-weight-bold: 700;

  --border-radius: 8px;
  --shadow: 0 4px 12px hsla(0, 0%, 0%, 0.1);
}

body {
  background-color: var(--color-background);
  color: var(--color-text-primary);
  font-family: var(--font-family);
  min-height: 100vh;
  line-height: 1.2;
}

header {
  text-align: center;
  margin-bottom: 0;
  padding: 0;
}
h1 {
  font-size: 2.5rem;
  color: var(--color-primary);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.7rem 1.7rem;
}

.active {
  display: block;
}

.hidden,
#comparisonSection,
#resultSection {
  display: none;
}

h1 {
  font-size: 2.6rem;
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}
h2 {
  margin-bottom: 1rem;
  margin-top: 0.5rem;
  font-size: 1.8rem;
  text-align: center;
}
p {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  line-height: 1.6;
  font-size: 1.4rem;
}
label {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
  font-size: larger;
}
textarea {
  width: 100%;
  min-height: 200px;
  resize: vertical;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 0.7rem;
}
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow);
}
button {
  background-color: var(--color-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  padding: 0.75rem 2rem;
  cursor: pointer;
  color: white;
  border-radius: var(--border-radius);
  transition: all 0.2s ease-in-out;
  display: inline-block;
  border: none;
}
button:hover {
  background-color: var(--color-primary-hover);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

.btn-grp {
  display: flex;
  gap: 1rem;
  margin-top: 0.75rem;
  justify-content: center;
}

#comparisonContainer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  width: 100%;
}

.choice-btn {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  border: 2px solid var(--color-border);
  font-size: var(--font-size-large);
  font-weight: var(--font-weight-bold);
  width: 100%;
  height: 300px;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow-wrap: break-all;
  word-break: break-word;
  overflow-y: auto;
}

.choice-btn:hover {
  border-color: var(--color-primary);
  background-color: #f0e6f6;
  color: var(--color-primary);
}

#resultContainer {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
}

.ranked-list {
  list-style: none;
  counter-reset: ranked-items;
  width: 100%;
  max-width: 700px;
}

.ranked-item {
  counter-increment: ranked-items;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 1rem 1rem 1rem 3.5rem;
  margin-bottom: 0.75rem;
  font-size: var(--font-size-large);
  color: var(--color-text-secondary);
  position: relative;
}

.ranked-item::before {
  content: counter(ranked-items);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.5rem;
  height: 100%;
  background-color: var(--color-primary);
  color: white;
  font-weight: var(--font-weight-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  border-top-left-radius: var(--border-radius);
  border-bottom-left-radius: var(--border-radius);
}