:root {
  --primary: #2ecc71;
  --secondary: #27ae60;
  --dark-bg: #1f2937;
  --light-bg: #f5f5f5;
  --card-bg: #ffffff;
  --text-colour: #333333;
  --muted-text: #666666;
}

body[data-theme="dark"] {
  --primary: #27ae60;
  --secondary: #2ecc71;
  --dark-bg: #121a24;
  --light-bg: #0e141b;
  --card-bg: #1c2531;
  --text-colour: #f5f5f5;
  --muted-text: #aaaaaa;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--light-bg);
  color: var(--text-colour);
}

header {
  background-color: var(--dark-bg);
  color: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  flex-wrap: wrap;
}

.logo {
  font-size: 1.6rem;
  font-weight: bold;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
}

nav li {
  margin-left: 20px;
}

nav a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 4px;
  transition: background-color 0.2s;
}

nav a:hover,
nav a.active {
  background-color: var(--primary);
}

main {
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

footer {
  background-color: var(--dark-bg);
  color: #ffffff;
  text-align: center;
  padding: 15px 20px;
  margin-top: 40px;
  font-size: 0.9rem;
}

.card {
  background-color: var(--card-bg);
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08);
  padding: 20px;
  margin-bottom: 20px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 8px;
  border-bottom: 1px solid #e5e7eb;
  text-align: left;
  font-size: 0.9rem;
}

th {
  background-color: var(--light-bg);
}

.btn {
  display: inline-block;
  background-color: var(--primary);
  color: #ffffff;
  border: none;
  border-radius: 4px;
  padding: 7px 12px;
  font-size: 0.9rem;
  cursor: pointer;
}

.btn:hover {
  background-color: var(--secondary);
}

.btn-danger {
  background-color: #e74c3c;
}

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

form label {
  display: block;
  margin-bottom: 4px;
  font-weight: 500;
}

form input,
form select,
form textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 8px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 0.9rem;
  background-color: var(--card-bg);
  color: var(--text-colour);
}

form textarea {
  resize: vertical;
  min-height: 100px;
}

.calories-wrapper,
.analysis-grid,
.contact-wrapper {
  display: flex;
  flex-wrap: nowrap;
  gap: 20px;
  overflow-x: auto;
}

.meal-list,
.selected-meals,
.analysis-form,
.analysis-results,
.contact-form,
.contact-info {
  flex: 1;
  min-width: 300px;
}

.selected-meals ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.selected-meals li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid #e5e7eb;
  font-size: 0.9rem;
}

.totals {
  margin-top: 15px;
  padding: 10px;
  background-color: var(--light-bg);
  border-radius: 4px;
  font-size: 0.9rem;
}

.result-card {
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  padding: 12px;
  margin-bottom: 10px;
}

.result-card h4,
.result-card p {
  margin: 0 0 4px 0;
}

.small-note {
  color: var(--muted-text);
  font-size: 0.8rem;
}

.settings-card {
  max-width: 500px;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 25px;
  justify-items: center;
}

.team-card {
  width: 100%;
  max-width: 300px;
  text-align: center;
  padding: 30px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.2s;
}

.team-card:hover {
  transform: translateY(-5px);
}

.avatar-container {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 20px;
  background-color: #e5e7eb;
}

.team-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.student-id {
  color: var(--muted-text);
  font-weight: 500;
  letter-spacing: 1px;
}

.bio {
  font-size: 0.85rem;
  line-height: 1.6;
  margin-bottom: 25px;
}

.contact-link {
  display: inline-block;
  background-color: var(--primary);
  color: #ffffff;
  padding: 8px 16px;
  border-radius: 4px;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  margin-top: auto;
}

.contact-link:hover {
  background-color: var(--secondary);
}

.contact-info div {
  margin-bottom: 10px;
  font-size: 0.9rem;
}

.contact-info span {
  display: block;
  margin-top: 2px;
  color: var(--muted-text);
}