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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #ffffff;
  color: #333;
  min-height: 100vh;
  line-height: 1.6;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
}

/* Navigation */
nav {
  background: #800000;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.site-name {
  color: #ffffff;
  font-weight: 700;
  font-size: 1.2rem;
  margin-right: auto;
}

.nav-links {
  display: flex;
  gap: 1rem;
}

nav a {
  color: #eee;
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: background 0.2s;
}

nav a:hover,
nav a.active {
  background: #5c0000;
}

/* Headers */
h1 {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 2rem;
}

h2 {
  margin-bottom: 1rem;
}

/* Hot Take Card */
.hot-take-card {
  background: #f8f9fa;
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  border: 1px solid #e9ecef;
}

.hot-take-text {
  font-size: 1.4rem;
  font-style: italic;
  margin-bottom: 1.5rem;
  text-align: center;
}

.hot-take-text::before,
.hot-take-text::after {
  content: '"';
  color: #e94560;
}

/* Buttons */
.btn-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.btn {
  padding: 0.75rem 2rem;
  font-size: 1.1rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: transform 0.1s, opacity 0.2s;
}

.btn:hover {
  transform: scale(1.05);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-ari {
  background: #e94560;
  color: white;
}

.btn-chenhao {
  background: #0f3460;
  color: white;
}

.btn-primary {
  background: #e94560;
  color: white;
}

.btn-secondary {
  background: #0f3460;
  color: white;
}

/* Score Display */
.score-display {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 1.2rem;
}

.score-display span {
  font-weight: bold;
  color: #e94560;
}

/* Result feedback */
.result {
  text-align: center;
  padding: 1rem;
  border-radius: 8px;
  margin-top: 1rem;
  font-weight: 600;
}

.result.correct {
  background: #1b4332;
  color: #95d5b2;
}

.result.incorrect {
  background: #5c1a1a;
  color: #f8a0a0;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 0.75rem;
  font-size: 1rem;
  border: 2px solid #dee2e6;
  border-radius: 8px;
  background: #fff;
  color: #333;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: #e94560;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

/* Archive list */
.archive-week {
  background: #f8f9fa;
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid #e9ecef;
}

.archive-week h3 {
  color: #e94560;
  margin-bottom: 1rem;
  border-bottom: 1px solid #dee2e6;
  padding-bottom: 0.5rem;
}

.archive-item {
  padding: 0.75rem 0;
  border-bottom: 1px solid #dee2e6;
}

.archive-item:last-child {
  border-bottom: none;
}

.archive-item .author {
  font-weight: 600;
  color: #e94560;
}

.archive-item .vote-stats {
  font-size: 0.85rem;
  color: #888;
}

/* Login form */
.login-form {
  max-width: 400px;
  margin: 2rem auto;
  background: #f8f9fa;
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid #e9ecef;
}

/* Messages */
.message {
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  text-align: center;
}

.message.error {
  background: #5c1a1a;
  color: #f8a0a0;
}

.message.success {
  background: #1b4332;
  color: #95d5b2;
}

/* Loading state */
.loading {
  text-align: center;
  padding: 2rem;
  color: #888;
}

/* About page */
.about-section {
  background: #f8f9fa;
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid #e9ecef;
}

.about-section h2 {
  color: #e94560;
  margin-bottom: 1rem;
}

.about-section ul {
  margin-left: 1.5rem;
}

.about-section li {
  margin-bottom: 0.5rem;
}

/* Week navigation */
.week-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.week-nav h2 {
  margin: 0;
}

/* Progress indicator */
.progress {
  text-align: center;
  color: #888;
  margin-bottom: 1rem;
}

/* Hidden */
.hidden {
  display: none !important;
}

/* Opinion buttons (agree/disagree) */
.opinion-buttons {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  align-items: center;
  margin-bottom: 1.5rem;
}

.opinion-label {
  font-size: 0.75rem;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-right: 0.25rem;
}

.btn-opinion {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  cursor: pointer;
  background: #fff;
  color: #666;
  transition: all 0.2s;
}

.btn-opinion:hover {
  border-color: #800000;
  color: #800000;
}

.btn-opinion.selected {
  background: #800000;
  color: white;
  border-color: #800000;
}