/* Ecocenter - estilos para interfaz simple y accesible (usuario adulto mayor) */

:root {
  --acento: #1d6f8c;
  --acento-oscuro: #14536a;
  --texto: #212529;
  --fondo: #f7f9fa;
  --peligro: #b02a30;
  --exito: #1e7e34;
}

html { font-size: 18px; }

body {
  background: var(--fondo);
  color: var(--texto);
  font-family: "Segoe UI", Arial, sans-serif;
  line-height: 1.5;
}

.app-container {
  padding-top: 1.75rem;
  padding-bottom: 3rem;
  max-width: 980px;
}

/* --- Navegacion --- */
.app-nav {
  background: var(--acento-oscuro);
  padding: 0.75rem 1rem;
}
.app-nav .navbar-brand,
.app-nav .nav-link,
.app-nav .navbar-text {
  color: #fff !important;
  font-size: 1.05rem;
  font-weight: 500;
}
.app-nav .nav-link {
  padding: 0.6rem 1rem !important;
}
.app-nav .nav-link:hover {
  text-decoration: underline;
}
.btn-salir {
  color: #fff !important;
  border-color: #fff !important;
  font-weight: 600;
}
.btn-salir:hover {
  background: #fff;
  color: var(--acento-oscuro) !important;
}

/* --- Botones grandes --- */
.btn {
  font-size: 1.1rem;
  padding: 0.65rem 1.4rem;
  border-radius: 0.6rem;
}
.btn-lg {
  font-size: 1.3rem;
  padding: 1rem 1.6rem;
}
.btn-primary {
  background-color: var(--acento);
  border-color: var(--acento);
}
.btn-primary:hover, .btn-primary:focus {
  background-color: var(--acento-oscuro);
  border-color: var(--acento-oscuro);
}
.btn-danger {
  background-color: var(--peligro);
  border-color: var(--peligro);
}

/* --- Tarjetas de acceso grande (dashboard, tipos de estudio) --- */
.tarjeta-grande {
  display: block;
  background: #fff;
  border: 2px solid #dfe6e9;
  border-radius: 1rem;
  padding: 1.75rem 1.25rem;
  text-align: center;
  text-decoration: none;
  color: var(--texto);
  font-size: 1.35rem;
  font-weight: 600;
  height: 100%;
  transition: border-color .15s, transform .15s;
}
.tarjeta-grande:hover, .tarjeta-grande:focus {
  border-color: var(--acento);
  transform: translateY(-2px);
  color: var(--acento-oscuro);
}
.tarjeta-grande .icono {
  font-size: 2.6rem;
  display: block;
  margin-bottom: 0.5rem;
}

/* --- Formularios --- */
label {
  font-weight: 600;
  margin-bottom: 0.3rem;
}
.form-control, .form-select {
  font-size: 1.1rem;
  padding: 0.6rem 0.85rem;
  border-radius: 0.5rem;
}
textarea.form-control {
  font-size: 1.15rem;
  line-height: 1.6;
}

/* --- Tablas / listados --- */
.table {
  font-size: 1.05rem;
}
.table th {
  white-space: nowrap;
}
.fila-clickeable {
  cursor: pointer;
}
.fila-clickeable:hover {
  background-color: #eef6f9;
}

/* --- Alertas --- */
.alert-flash {
  font-size: 1.1rem;
  font-weight: 500;
}

/* --- Buscador --- */
.buscador {
  font-size: 1.2rem;
  padding: 0.85rem 1rem;
}

h1, .h1 { font-size: 1.9rem; font-weight: 700; }
h2, .h2 { font-size: 1.5rem; font-weight: 700; }

.text-muted-grande {
  font-size: 1rem;
  color: #6c757d;
}