/* --- Google Font: Inter (para una UI limpia y moderna) --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

/* --- [NUEVO] Variables de Color para Radar Trading --- */
:root {
  --bg-main: #111827; /* Un azul muy oscuro para el fondo */
  --bg-card: #1f2937; /* Un gris azulado para las tarjetas */
  --text-primary: #e5e7eb;
  --text-secondary: #9ca3af;
  --text-title: #ffffff;
  --accent-color: #38bdf8; /* Un azul cielo como acento principal */
  --border-color: #374151;
  --shadow-color: rgba(0, 0, 0, 0.4);
}

/* --- Estilos Base --- */
body {
  font-family: 'Inter', "Segoe UI", Tahoma, sans-serif;
  background-color: var(--bg-main);
  margin: 0;
  padding: 0;
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- HEADER --- */
header {
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 20px 0;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

header img {
  height: 100px; /* Tamaño de logo ajustado para este diseño */
  width: auto;
}

header h1 {
  margin: 0;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-title);
}

header p {
  margin: 4px 0 0;
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-secondary);
}

.header-container > div {
  flex-grow: 1;
  text-align: center;
}

/* --- BARRA DE NAVEGACIÓN --- */
nav {
  background-color: #000;
  border-bottom: 1px solid var(--border-color);
  padding: 12px 0;
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  gap: 20px;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

nav a:hover {
  color: var(--accent-color);
}

nav a.active {
    color: var(--text-title);
    cursor: default;
}

/* --- CONTENIDO PRINCIPAL --- */
section {
  padding: 20px;
  max-width: 1400px;
  margin: 0 auto;
}

h2 {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--text-title);
  margin-top: 50px;
  margin-bottom: 25px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

/* --- ESTILOS PARA EL BUSCADOR --- */
.search-container {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 30px;
}

#searchInput {
    width: 100%;
    padding: 12px 15px 12px 45px;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    box-sizing: border-box;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 15px center;
}

#searchInput:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.3);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2338bdf8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E");
}

/* --- Estilos de Tarjetas de Definiciones --- */
.metric-list {
  display: grid;
  gap: 15px;
}

.metric-card {
  background-color: var(--bg-card);
  border-left: 4px solid var(--border-color); /* Borde izquierdo para un estilo diferente */
  padding: 20px 25px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-left-color 0.3s ease;
}

.metric-card:hover {
    border-left-color: var(--accent-color);
}

.metric-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-color);
  margin: 0;
}

.metric-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-primary);
  margin: 0;
}

/* --- FOOTER --- */
footer {
  margin-top: 60px;
  background-color: #000;
  color: var(--text-secondary);
  text-align: center;
  padding: 20px;
  font-size: 0.85rem;
  border-top: 1px solid var(--border-color);
}

/* --- RESPONSIVE DESIGN --- */
@media (max-width: 600px) {
    .header-container {
        flex-direction: column;
        gap: 15px;
    }
    header h1 {
        font-size: 1.5rem;
    }
}