:root {
  --primary-color: #2c3e50;
  --accent-color: #3498db;
  --background-color: #ecf0f1;
  --text-color: #333;
  --card-bg: #fff;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  height: 100vh;
}

header {
  background-color: var(--primary-color);
  color: white;
  padding: 1rem;
  text-align: center;
}

main {
  flex: 1;
  padding: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.card {
  background-color: var(--card-bg);
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  padding: 2rem;
  width: 100%;
  max-width: 800px;
}

h1,
h2 {
  margin-top: 0;
}

/* Chart Container */
.chart-container {
  position: relative;
  height: 400px;
  width: 100%;
}

/* Voter Styles */
.options-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.vote-btn {
  background-color: var(--accent-color);
  color: white;
  border: none;
  padding: 1rem;
  font-size: 1.1rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.2s;
}

.vote-btn:hover {
  background-color: #2980b9;
}

.vote-btn:active {
  transform: scale(0.98);
}

.hidden {
  display: none !important;
}

/* Slider Styles */
.slider-container {
  width: 100%;
  padding: 2rem 0;
  text-align: center;
}

input[type=range] {
  width: 100%;
  margin: 1rem 0;
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  color: #666;
}

.slider-value {
  font-size: 2rem;
  font-weight: bold;
  color: var(--accent-color);
}

/* Feedback Styles */
.feedback-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.feedback-card {
  background-color: #f9f9f9;
  border: 1px solid #ddd;
  padding: 1rem;
  border-radius: 4px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  word-wrap: break-word;
}

textarea {
  width: 100%;
  height: 100px;
  padding: 0.5rem;
  margin-bottom: 1rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-family: inherit;
}

/* Auth & Dashboard Styles */
.login-card {
  max-width: 400px;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
}

.form-group input {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box;
}

.error {
  color: #e74c3c;
  margin-top: 1rem;
  text-align: center;
}

.list-group {
  margin-top: 1rem;
}

.list-item {
  background: #f9f9f9;
  border: 1px solid #ddd;
  padding: 1rem;
  margin-bottom: 0.5rem;
  border-radius: 4px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.delete-btn {
  background-color: #e74c3c;
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
}

.delete-btn:hover {
  background-color: #c0392b;
}