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

body {
  font-family: Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: #222;
  color: #fff;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
}

/* Estilo para el botón al lado del select */
.btn-selector {
  padding: 0.5rem 1rem;
  font-size: 1rem;
  background-color: #222; /* Color similar al header para contraste */
  color: #fff;
  border: 2px solid #ccc;
  cursor: pointer;
  transition: background 0.2s ease;
}

.btn-selector:hover {
  background-color: #444;
  border-color: #ffd700; /* Dorado para resaltar al pasar el mouse */
}

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

.nav a {
  color: #fff;
  text-decoration: none;
}

.logout {
  background: crimson;
  color: #fff;
  border: none;
  padding: 0.5rem 1rem;
  cursor: pointer;
}

/* Layout principal */
.main {
  display: flex;
  min-height: 90vh;
}

/* Sidebar */
.sidebar {
  flex: 0 0 20%;
  background: #000;
  color: #fff;
  padding: 1rem;
}

.menu {
  margin-bottom: 1rem;
}

.menu-btn {
  width: 100%;
  background: #000;
  color: #fff;
  border: none;
  padding: 0.75rem;
  text-align: left;
  cursor: pointer;
}

.submenu {
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  display: none;
  flex-direction: column;
  background: #555252;
  margin-top: 0.5rem;
  border: 1px solid white;
}

.submenu a {
  color: #fff;
  padding: 0.5rem;
  text-decoration: none;
  border: 1px solid white;
}

.submenu a:hover {
  background: #333;
  color: #ffd700; /* un dorado o color de acento */
}


.menu-btn:hover + .submenu,
.submenu:hover {
  display: flex;
}

.menu:focus-within .submenu {
  display: flex;
}

/* Contenido */
.content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem;
}

/* Selector */
.selector {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.selector select {
  padding: 0.5rem;
  font-size: 1rem;
}

/* Layout principal */
.layout {
  display: flex;
  gap: 1rem;
}

/* Cuadro principal a la izquierda */
.principal {
  flex: 2;
  min-height: 25rem;
  border: 2px solid #ccc;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

/* Resumenes a la derecha */
.resumenes {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.box {
  flex: 1;
  min-height: 6rem;
  border: 2px solid #ccc;
  display: flex;
  align-items: flex-start;   /* el contenido empieza arriba */
  justify-content: flex-start;
  padding: 0.5rem;
  overflow-y: auto;          /* activa scroll vertical si hay exceso */
  max-height: 12rem;         /* límite de altura del cuadro */
}

/* Responsivo */
@media (max-width: 992px) {
  .layout {
    flex-direction: column;
  }

  .principal {
    flex: none;
    width: 100%;
  }

  .resumenes {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .box {
    flex: 1 1 calc(50% - 1rem);
  }
}

@media (max-width: 600px) {
  .resumenes {
    flex-direction: column;
  }

  .box {
    flex: 1 1 100%;
  }
}