/* Base TradingView Theme */
body {
  font-family: 'Open Sans', sans-serif;
  background-color: #f5f7fa;
  color: #1e1e1e;
  margin: 0;
  padding: 0;
  transition: background 0.3s, color 0.3s;
}

nav {
  background-color: #ffffff;
  border-bottom: 1px solid #e0e0e0;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav a {
  color: #2962ff;
  text-decoration: none;
  font-weight: 600;
  margin: 0 1rem;
}

nav a:hover {
  text-decoration: underline;
}

h1, h2, h3 {
  font-weight: 700;
}

button {
  background-color: #2962ff;
  color: white;
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s ease;
}

button:hover {
  background-color: #0039cb;
}

.card {
  background-color: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  padding: 1.5rem;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  margin-bottom: 1.5rem;
}

/* Footer */
footer {
  background-color: #f1f1f1;
  text-align: center;
  padding: 1rem;
  font-size: 0.875rem;
  color: #555;
  border-top: 1px solid #ddd;
}

/* DARK MODE STYLES */
body.dark-mode {
  background-color: #1e1e1e;
  color: #e5e5e5;
}

body.dark-mode nav {
  background-color: #2a2a2a;
  border-color: #444;
}

body.dark-mode nav a {
  color: #90cdf4;
}

body.dark-mode .card {
  background-color: #2c2c2c;
  border-color: #444;
  color: #e5e5e5;
}

body.dark-mode footer {
  background-color: #2a2a2a;
  color: #aaa;
  border-color: #444;
}

body.dark-mode button {
  background-color: #4f46e5;
}

body.dark-mode button:hover {
  background-color: #4338ca;
}